SERVICE

MANUAL

VHF MARINE TRANSCEIVER

 INTRODUCTION DANGER

This service manual describes the latest service information NEVER connect the transceiver to an AC outlet or to a DC
for the IC-M45 VHF MARINE TRANSCEIVER at the time of power supply that uses more than 16 V. This will ruin the
publication. transceiver.
2 versions of the IC-M45 have been designed. This service DO NOT expose the transceiver to rain, snow or any liquids.
manual covers each version. DO NOT reverse the polarities of the power supply when
connecting the transceiver.
MODEL VERSION SYNBOL DO NOT apply an RF signal of more than 20 dBm (100mW)
USA BLACK to the antenna connector. This could damage the trans-
IC-M45
USA-1 WHITE ceiver's front end.

ORDERING PARTS REPAIR NOTES

Be sure to include the following four points when ordering 1. Make sure a problem is internal before disassembling
replacement parts: the transceiver.
1. 10-digit order numbers 2. DO NOT open the transceiver until the transceiver is dis-
2. Component part number and name connected from its power source.
3. Equipment model name and unit name 3. DO NOT force any of the variable components. Turn
4. Quantity required them slowly and smoothly.
4. DO NOT short any circuits or electronic parts. An insulat-
<SAMPLE ORDER> ed turning tool MUST be used for all adjustments.
5. DO NOT keep power ON for a long time when the trans-
1110003490 S.IC TA31136FN IC-M45 MAIN UNIT 5 pieces ceiver is defective.
8810008660 Screw PH BO M3x8 NI IC-M45 Chassis 10 pieces 6. DO NOT transmit power into a signal generator or a
sweep generator.
Addresses are provided on the inside back cover for your 7. ALWAYS connect a 40 dB to 50 dB attenuator between
convenience. the transceiver and a deviation meter or spectrum ana-
lyzer when using such test equipment.
8. READ the instructions of test equipment thoroughly
before connecting equipment to the transceiver.
 TABLE OF CONTENTS

SECTION 1 SPECIFICATIONS
VHF MARINE CHANNEL LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

SECTION 2 DISASSEMBLY INSTRUCTIONS

SECTION 3 CIRCUIT DESCRIPTION

3-1 RECEIVER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3-2 TRANSMITTER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
3-3 PLL CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
3-4 POWER SUPPLY CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
3-5 PORT ALLOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4-2 PLL ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4-3 TRANSMITTER ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4-4 RECEIVER ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

SECTION 5 PARTS LIST

SECTION 6 MECHANICAL PARTS AND DISASSEMBLY

SECTION 7 SEMI-CONDUCTOR INFORMATION

SECTION 8 BOARD LAYOUTS

8-1 LOGIC UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
8-2 MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-3

SECTION 9 BLOCK DIAGRAM

SECTION 10 VOLTAGE DIAGRAM

10-1 LOGIC UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1
10-2 MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-2
10-3 VR-A AND VR-B UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-3
 SECTION 1 SPECIFICATIONS

‘ GENERAL
• Frequency coverage : 156.025–157.425 MHz (Tx)
156.025–163.275 MHz (Rx)
• Mode : 16K0G3E (FM)
• Usable channels : All USA, international and Canadian channels
plus 10 weather channels*
*USA versions only
• Power supply requirement : 13.8 V DC ±15% (negative ground)
• Usable temperature range : –20˚C to +60˚C; –4˚F to +140˚F
• Frequency stability : ±10 ppm (–20˚C to +60˚C; –4˚F to +140˚F)
• Current drain (at 13.8 V DC) : Transmit at 25 W 6.0 A
Receive max. audio 1.2 A
• Antenna impedance : 50 Ω (nominal)
• Dimensions (projections not included) : 152(W)×67(H)×144(D) mm; 6(W)×25⁄8(H)×52⁄3(D) in
• Weight (with ant., battery case and cells) : 900 g; 2 lb

‘ TRANSMITTER
• Output power (at 13.8 V DC) : High 25 W
Low 1W
• Modulation : Variable reactance frequency modulation
• Maximum frequency deviation : ±5.0 kHz
• Spurious emissions : 70 dB
• Adjacent channel power : 60 dB
• Residual modulation : 40 dB
• Audio harmonic distortion : Less than 10% at 70% deviation
• Audio frequency response : +1 dB to –3 dB of 6 dB octave from 300 Hz to 3000 Hz

‘ RECEIVER
• Receive system : Double conversion superheterodyne system
• Intermediate frequencies : 1st 30.85 MHz
2nd 450 kHz
• Sensitivity : 0.22 µV typical at 12 dB SINAD
• Squelch sensitivity : 0.22 µV typical
• Adjacent channel selectivity : 70 dB typical
• Spurious response : 70 dB typical
• Intermodulation rejection ratio : 70 dB typical
• Hum and noise : 40 dB
• Audio output power (at 13.8 V DC) : 4.0 W typical at 10% distortion with an 4 Ω load
• Audio frequency responce : +2 dB to –8 dB of –6 dB octave from 300 Hz to 3000 Hz

All stated specifications are subject to change without notice or obligation.

1-1
‘ VHF MARINE CHANNEL LIST
Channel No. Frequency (MHz) Channel No. Frequency (MHz) Channel No. Frequency (MHz)
USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive
01 01 156.050 160.650 21A 21A 157.050 157.050 73 73 73 156.675 156.675
01A 156.050 156.050 22 157.100 161.700 74 74 74 156.725 156.725
02 02 156.100 160.700 22A 22A 157.100 157.100 77* 1
77 77* 1
156.875 156.875
03 03 156.150 160.750 23 23 157.150 161.750 78 156.925 161.525
03A 156.150 156.150 23A 157.150 157.150 78A 78A 156.925 156.925
04 156.200 160.800 24 24 24 157.200 161.800 79 156.975 161.575
04A 156.200 156.200 25 25 25 157.250 161.850 79A 79A 156.975 156.975
05 156.250 160.850 26 26 26 157.300 161.900 80 157.025 161.625
05A 05A 156.250 156.250 27 27 27 157.350 161.950 80A 80A 157.025 157.025
06 06 06 156.300 156.300 28 28 28 157.400 162.000 81 157.075 161.675
07 156.350 160.950 60 60 156.025 160.625 81A 81A 157.075 157.075
07A 07A 156.350 156.350 61 156.075 160.675 82 157.125 161.725
08 08 08 156.400 156.400 61A 61A 156.075 156.075 82A 82A 157.125 157.125
09 09 09 156.450 156.450 62 156.125 160.725 83 83 157.175 161.775
10 10 10 156.500 156.500 62A 156.125 156.125 83A 83A 157.175 157.175
11 11 11 156.550 156.550 63 156.175 160.775 84 84 84 157.225 161.825
12 12 12 156.600 156.600 63A 156.175 156.175 84A 157.225 157.225
13* 2
13 13* 1
156.650 156.650 64 64 156.225 160.825 85 85 85 157.275 161.875
14 14 14 156.700 156.700 64A 64A 156.225 156.225 85A 157.275 157.275
15* 2
15* 1
15* 1
156.750 156.750 65 156.275 160.875 86 86 86 157.325 161.925
16 16 16 156.800 156.800 65A 65A 65A 156.275 156.275 86A 157.325 157.325
17* 1
17 17* 1
156.850 156.850 66 156.325 160.925 87 87 87 157.375 161.975
18 156.900 161.500 66A 66A 66A*1 156.325 156.325 87A 157.375 157.375
18A 18A 156.900 156.900 67* 2
67 67 156.375 156.375 88 88 88 157.425 162.025
19 156.950 161.550 68 68 68 156.425 156.425 88A 157.425 157.425
19A 19A 156.950 156.950 69 69 69 156.475 156.475
20 20 20 157.000 161.600 70* 3
70* 3
70* 3
156.525 156.525
20A 157.000 157.000 71 71 71 156.575 156.575
21 21 157.050 161.650 72 72 72 156.625 156.625
*1 Low power only, *2 Momentary high power, *3 Receive only
NOTE: Channels 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be used by the general public in USA waters.

Weather Frequency (MHz) Weather Frequency (MHz)

channel Transmit Receive channel Transmit Receive
WX01 Receive only 162.550 WX06 Receive only 162.500
WX02 Receive only 162.400 WX07 Receive only 162.525
WX03 Receive only 162.475 WX08 Receive only 161.650
WX04 Receive only 162.425 WX09 Receive only 161.775
WX05 Receive only 162.450 WX10 Receive only 163.275

1-2
 SECTION 2 DISASSEMBLY INSTRUCTIONS

• REMOVING THE CASE • REMOVING THE MAIN UNIT

Unscrew 4 screws, , as shown below, and slide the case Unsolder DC cable (2 points) and antenna connector,
free of the chassis. (3 points), as shown below.
Note: When replacing the screw, 10–12 kg of torque MUST Unscrew 2 screws, , and 7 screws, , to remove the
be applied to ensure water resistance. MAIN unit.

C B

2-1
 SECTION 3 CIRCUIT DESCRIPTION

3-1 RECEIVER CIRCUITS 3-1-4 2ND IF AND DEMODULATOR CIRCUITS

3-1-1 ANTENNA SWITCHING CIRCUIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF
The antenna switching circuit functions as a low-pass filter signal. A double superheterodyne system (which converts
while receiving and as resonator circuit while transmitting. receive signals twice) improves the image rejection ratio and
The circuit does not allow transmit signals to enter receiver obtains stable receiver gain.
circuits.
The FM IF IC (IC1) contains the 2nd local oscillator, 2nd
Received signals enter the MAIN unit from the antenna con- mixer, limiter amplifier, quadrature detector, and noise
nector and pass through the low-pass filter (L1–L3, C1–C5, detector circuits, etc.
C7). The signals are then applied to the RF circuit via the
antenna switching circuit (D1, L4, L25). The 1st IF signal from Q3 is applied to the 2nd mixer section
of IC1 (pin 16), and is mixed with a 30.4 MHz 2nd LO signal
generated at the PLL circuit by doubling the reference fre-
3-1-2 RF CIRCUIT quency (15.2 MHz) to produce a 450 kHz 2nd IF signal.
The RF circuit amplifies signals within the range of frequen-
The 2nd IF signal from IC1 (pin 3) is passed through the
cy coverage and filters out-of-band signals.
ceramic filter (FI2), where unwanted signals are sup-
pressed, and is then applied to the 2nd IF and limiter ampli-
The signals from the antenna switching circuit pass through
fiers in IC1 (pin 5). The signal is applied to the FM detector
a tunable bandpass filter (D2, L5) where the object signals
section in IC1 for demodulation into AF signals.
are led to the RF amplifier circuit (Q1).
The FM detector circuit employs a quadrature detection
The amplified signals at Q1 are applied to the 2-stage tun-
method (linear phase detection), which uses a ceramic dis-
able bandpass filter (D3, D4, L6, L7) to suppress unwanted
criminator (X2) for phase delay to obtain a non-adjusting cir-
signals and improve the selectivity. The signals are then
cuit. The detected signal from IC1 (pin 9) is applied to the AF
applied to the 1st mixer circuit.
circuit.
D2–D4 employ varactor diodes, that are controlled by the
PLL lock voltage, to track the band pass filters.
3-1-5 AF AMPLIFIER CIRCUIT
The AF amplifier circuit amplifies the detected signals to
3-1-3 1ST MIXER AND 1ST IF CIRCUITS drive a speaker. The AF circuit includes an AF mute circuit
for the squelch.
The 1st mixer circuit converts the received signal to a fixed
frequency of the 1st IF signal with a 1st LO (VCO output) fre-
AF signals from IC1 (pin 9) are applied to the de-emphasis
quency. By changing the 1st LO frequency, only the desired
circuit (R92, C152). The de-emphasis circuit is an integrated
frequency will be passed through a pair of crystal filters at
circuit with frequency characteristic of –6 dB/octave.
the next stage of the mixer.
The integrated signals are applied to the active filters (Q21,
The signals from the RF circuit are mixed with the VCO sig-
Q22). Q21 functions as a high-pass filter to suppress
nals at the 1st mixer circuit (Q2) to produce a 30.85 MHz 1st
unwanted lower noise signals and Q22 functions as a low-
IF signal.
pass filter to suppress higher noise signals.
The 1st IF signal is applied to a pair of crystal filters (FI1) to
The filtered signals are passed through the [VOLUME] con-
suppress out-of-band signals and is then amplified at the IF
trol, and are then applied to the AF power amplifier (IC9, pin
amplifier (Q3). The amplified signal is applied to the 2nd
1) via the analog switch (IC5, pins 4, 3). The output signal
mixer circuit (IC1).
from IC9 (pin 4) drives the internal (external) speaker.
• 2nd IF AND DEMODULATOR CIRCUITS
2nd IF filter
450 kHz
(30.4 MHz)
FI2 17 2 16
Squelch level 8 7 5 3 2
adjustment pot PLL IC
R1 (VR-B unit) Noise IC3
Active detector
filter Mixer
Limiter
amp.
RSSI

FM X1
detector 15.2 MHz

IC1 TA31136F
9 10 11 13 16
AF signal "DET" 1st IF (30.85 MHz)
from Q3
X2 "SQL" signal to the CPU pin 22
R5

3-1
3-1-6 SQUELCH CIRCUIT 3-2-2 MODULATION CIRCUIT
A squelch circuit cuts out AF signals when no RF signals are The modulation circuit modulates the VCO oscillating signal
received. By detecting noise components in the AF signals, (RF signal) using the microphone audio signals.
the squelch circuit switches the AF mute switch.
Audio signals from the splatter filter (IC6b) pass through the
A portion of the AF signals from the FM IF IC (IC1, pin 9) frequency deviation adjustment pot (R130) and are then
pass through the [SQUELCH] control pot, and are then applied to the modulation circuit (D7) to change the reac-
applied to the active filter section (IC1, pin 8). The active fil- tance of D7, and modulate the oscillated signal at the TX-
ter section amplifies and filters noise components. The fil- VCO (Q4).
tered signals are applied to the noise detector section and
output from pin 13 as the “SQL” signal. The “SQL” signal is
applied to the CPU (LOGIC unit; IC1, pin 22). The CPU ana- 3-2-3 DRIVE AMPLIFIER CIRCUIT
lyzes the noise condition and outputs the RMUT signal via The drive amplifier circuit amplifies the VCO oscillating sig-
the I/O expander IC (IC7) to toggle the analog switches (IC5, nal to a level needed at the power amplifier.
pins 4, 3) as an AF mute switch.
The VCO output is buffer-amplified by Q7 and Q9, and is
then applied to the T/R switch (D9). The transmit signal from
3-1-7 WEATHER ALERT DECODER CIRCUIT the T/R switch is amplified to the pre-drive (Q10) and drive
[USA version only] (Q11) amplifiers to obtain an approximate 400 mW signal
When the weather alert function is activated and a 1050 Hz level. The amplified signal is then applied to the RF power
alert tone from an NOAA weather radio broadcast is amplifier (IC2).
received, the IC-M45 emits beep tones and indicates flash-
ing “ALT” on the display to inform of an emergency weather
report on the air. 3-2-4 POWER AMPLIFIER CIRCUIT
The power amplifier circuit amplifies the driver signal to an
AF signals from the FM IF IC (IC1, pin 9) are applied to the output power level.
tone decoder (IC10, pin 3). When a 1050 Hz signal is detect-
ed, the tone decoder outputs a low level signal from pin 8 IC2 is a power module which has amplification output capa-
and the output signals are applied to the CPU (LOGIC unit; bilities of about 35 W. The output from IC2 (pin 4) is passed
IC1) to control beep tones and the “ALT” indicator. through the antenna switching circuit (D13) and is then
applied to the antenna connector via the low-pass filter.

3-2 TRANSMITTER CIRCUITS 3-2-5 APC CIRCUIT

3-2-1 MICROPHONE AMPLIFIER CIRCUIT The APC circuit stabilizes transmit output power.
The microphone amplifier circuit amplifies audio signals with
+6 dB/octave pre-emphasis from the microphone to a level The RF output signal from the power amplifier (IC2) is
needed at the modulation circuit. detected at the power detector circuit (D11, D12, L22) and is
then applied to one of the differential amplifier inputs (Q13,
The AF signals from the microphone are amplified at the pin 5) via the High/Low control circuit (R70, R71, Q16). The
microphone amplifier (IC4). A capacitor (C135) and resistor applied voltage controls the differential amplifier output
(R114) are connected to the amplifier to obtain the pre- (Q17, pin 2) and the bias voltage control (Q12). Thus the
emphasis characteristics. APC circuit maintains a constant output power.

The amplified signals are applied to the IDC amplifier (IC6a, The reflected power from the antenna connector is detected
pin 2) via the analog switch (IC5, pins 8, 9) and are passed at D12 and is then applied to the CPU. The detected voltage
through the splatter filter (IC6b) to suppress unwanted 3 kHz increases when the antenna is mismatched, causing the
or higher signals. The filtered signals are then applied to the output power to be switched from High to Low to protect the
modulation circuit. power module (IC2).

• APC circuit
RF signal Q11 L22
from PLL Drive Power module to antenna
amp. IC2
RF detector
TMUT D11 D12 circuit
T5
Q14 HV

Q12 "TXDET" signal

Q13 to the CPU
R71 R70
Q15 Q16
APC control circuit HI/LO

3-2
3-3 PLL CIRCUITS The phase detector compares the input signal with a refer-
3-3-1 GENERAL ence frequency, and then outputs the out-of-phase signal
(pulse-type signal) from pin 13.
The PLL circuit provides stable oscillation of the transmit fre-
quency and receive 1st LO frequency. The PLL circuit com-
The pulse-type signal is converted into DC voltage (lock
pares the phase of the divided VCO frequency to the refer-
voltage) at the loop filter (R34, R37, R38, C64, C73), and
ence frequency. The PLL output frequency is controlled by a
then applied to varactor diode (D8) of the RX-VCO to stabi-
crystal oscillator and the divided ratio of the programmable
lize the oscillated frequency. The lockvoltage is also used for
divider. IC3 is a dual PLL IC which controls both VCO cir-
the receiver circuit for the bandpass filter center frequency.
cuits for Tx and Rx.
The lock voltage from the loop filter is amplified at the buffer-
amplifier (Q6) and then applied to the RF circuit.
The PLL circuit , using a one chip PLL IC (IC3), directly gen-
erates the transmit frequency and receive 1st IF frequency
with VCOs. The PLL sets the divided ratio based on serial
data from the CPU on the LOGIC unit and compares the 3-3-4 VCO CIRCUIT
phases of VCO signals with the reference oscillator fre- The VCO outputs from Q4 (Tx) and Q5 (Rx) are buffer-
quency. The PLL IC detects the out-of-step phase and out- amplified at Q7 and Q9, and are then sent to the T/R switch
put from pins 8 and 13 for Tx and Rx, respectively. The ref- (D9). The receive LO signal is applied to the 1st mixer circuit
erence frequency (15.2 MHz) is oscillated at X1. (Q2) through a low-pass filter, and the transmit signal is
applied to the pre-drive amplifier (Q10). A portion of the VCO
output is reapplied to the PLL IC (IC10, pin 2 or pin 13) via
3-3-2 TX LOOP Q8.
The generated signal at the TX-VCO (Q4, D6, D7) enters
the PLL IC (IC3, pin 2) and is divided at the programmable
divider section and is then applied to the phase detector
section. 3-4 POWER SUPPLY CIRCUITS
LINE DESCRIPTION
The phase detector compares the input signal with a refer-
ence frequency, and then outputs the out-of-phase signal The voltage from the connected DC power sup-
HV
(pulse-type signal) from pin 8. ply.
Same voltage as the HV line which is passed
The pulse-type signal is converted into DC voltage (lock HVS
through the [PWR] switch (VR-A unit; R1).
voltage) at the loop filter (R41–R43, C75–C77), and then
applied to varactor diodes (D6, D7) of the TX-VCO to stabi- Common 5 V converted from the HVS line at the
5V
lize the oscillated frequency. 5V regulator circuit (IC8).
Receive 5 V converted from the 5V line at the R5
R5 regulator circuit (Q19, Q20). The regulated volt-
3-3-3 RX LOOP age is applied to the receiver circuits.
The generated signal at the RX-VCO (Q5, D8) enters the
PLL IC (IC3, pin 19) and is divided at the programmable Transmit 5 V converted from the 5V line at the T5
T5
divider section and is then applied to the phase detector regulator circuit (Q17, Q18).
section.

• PLL circuit
TX VCO Buffer D9
to transmitter circuit
Q9
Buffer to 1st mixer circuit
Q4, D6, D7
Q7
RX VCO Buffer

Q8
Q5, D8
Loop IC3 (PLL IC)
filter

8 Phase Programmable 2
Prescaler
detector counter
30.4 MHz signal 3
to the FM IF IC Programmable P.STB
17 4
×2 Shift register CK
divider 5 DATA
X1 16
15.2 MHz

3-3
3-5 PORT ALLOCATIONS
3-5-1 CPU (LOGIC unit; IC1) 3-5-2 OUTPUT EXPANDER (MAIN unit; IC7)
Pin Port Pin Port
Description Description
number name number name
Input port for the connected power Outputs the R5 regulator (Q19, Q20)
3 LBATT supply voltage detection (low battery 4 RCV control signal.
indicator). Low : While receiving
5 PTT.M Input port for the PTT switch. Outputs the T5 regulator (Q17, Q18)
5 SEND control signal.
Input port for the “TX” indicator from
Low : While transmitting
6 TXDET the power detector circuit (Main unit;
D11, D12). Output port fo RF output power (High
11 HI/LO or Low) select signal.
7 SQLV Input port for the squelch volume level.
Low : While low power is selected
Input port for the smart mic functions.
Outputs the reset signal for optional
2.02 V: [UP] is pushed 12 OP.RST
8 KEY.M unit via J5 (MAIN unit).
3.00 V: [DN] is pushed
3.84 V: [HI/LO] is pushed Outputs the analog switch (IC5) con-
13 RMUT trol signal.
10 BEEP Outputs beep audio signals.
Low : While squelched
Outputs strobe signals for the output
13 OEX.STB Outputs transmit mute signal.
expander (MAIN unit; IC7). 14 TMUT
Low : While transmitting
Outputs strobe signals for the PLL cir-
14 P.STB
cuit.
Outputs data signals to the EEPROM
15 DATA (IC4), PLL IC (MAIN unit; IC3) and
expander ICs (MAIN unit; IC7), etc.
Outputs clock signal to the EEPROM
16 CK (IC4), PLL IC (MAIN unit; IC3) and
expander ICs (MAIN unit; IC7), etc.
Input port for the data signals from the
17 ESI
EEPROM (IC4).
Input port from the FM IF IC (MAIN
22 SQL
unit; IC1) for the squelch operation.
Input port for the PLL unlock signal.
23 UNLK
Low : While PLL is locked.
Input port for the weather alert tone
decode signal.
24 TONE
Low : Weather alert tone (1050 Hz)
is detected.
LAMP2, Outputs LCD backlight control signal.
26, 27
LAMP1 High : While LCD backlight is ON.
Input port for the microphone hanger
31 HANG detection signal.
Low : Microphone on hook
33 DOWN Input port for the [DOWN] switch.
34 UP Input port for the [UP] switch.
35 H/L Input port for the [H/L] switch.
36 SCAN Input port for the [SCAN] switch.
37 CH/WX Input port for the [CH/WX] switch.
38 CH16/9 Input port for the [16/9] switch.

3-4
 SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION
■ REQUIRED TEST EQUIPMENT
EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE
Output voltage : 13.8 V DC Frequency range : 300–3000 Hz
DC power supply Audio generator
Current capacity : 10 A or more Measuring range : 1–500 mV
Measuring range : 1–50 W Frequency range : 0.1–300 MHz
Standard signal
RF power meter Frequency range : 100–300 MHz Output level : 0.1 µV–32 mV
generator (SSG)
(terminated type) Impedance : 50 Ω (–127 to –17 dBm)
SWR : Less than 1.2 : 1
Frequency range : DC–20 MHz
Oscilloscope
Frequency range : 0.1–300 MHz Measuring range : 0.01–20 V
Frequency counter Frequency accuracy : ±1 ppm or better
Sensitivity : 100 mV or better AC millivoltmeter Measuring range : 10 mV–10 V

Frequency range : 30–300 MHz Input impedance :4Ω

FM deviation meter External speaker
Measuring range : 0 to ±10 kHz Capacity : 5 W or more
Power attenuation : 50 or 60 dB
DC voltmeter Input impedance : 50 kΩ/V DC or better Attenuator
Capacity : 50 W or more

‘ CONNECTIONS

Standard signal CAUTION:

generator DO NOT transmit while SSG is
–17 to –125 dBm connected to the antenna connector.
(32 mV to 0.13 µV)

+
RF power meter DC power supply
– 13.8 V /15 A
50 Ω / 1–50 W
Frequency
counter to DC cable
FM deviation
meter
Red Black

Attenuator
50 dB or 60 dB

to the antenna connector

4-1
4-2 PLL ADJUSTMENTS
ADJUSTMENT
MEASUREMENT
ADJUSTMENT ADJUSTMENT CONDITION VALUE POINT
UNIT LOCATION UNIT ADJUST
LOCK 1 • Operating channel : ch16 MAIN Connect a digital 2.6 V MAIN L13
VOLTAGE • Receiving multi-meter or oscil-
loscope to the
check point CP1.
2 • Operating channel : ch16 Connect a digital 2.8 V L12
• Output power : Low multi-meter or oscil-
• Transmitting loscope to the
check point CP2.
REFERENCE 1 • Operating channel : ch16 Rear Loosely couple the 156.800000 MHz MAIN C117
FREQUENCY • Output power : Low Panel frequency counter
• Connect an RF power meter or a to the antenna con-
50 Ω dummy load to the antenna nector.
connector.
• Transmitting

4-3 TRANSMITTER ADJUSTMENTS

ADJUSTMENT
MEASUREMENT
ADJUSTMENT ADJUSTMENT CONDITION VALUE POINT
UNIT LOCATION UNIT ADJUST
OUTPUT 1 • Operating channel : ch16 Rear Connect an RF 1 W MAIN R70
POWER • Output power : Low Panel power meter to the
• Transmitting antenna connector.
2 • Output power : High 25 W R71
• Transmitting
FREQUENCY 1 • Operating channel : ch16 Rear Connect an FM ±4.3 kHz MAIN R130
DEVIATION • Output power : Low Panel deviation meter to
• Connect an audio generator to J2 the antenna con-
(pin 5) with an AC millivoltmeter nector through an
and set as: attenuator.
Frequency : 1 kHz
Level : 550 mV
• Set an FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P–P)/2
• Transmitting

4-4 RECEIVER ADJUSTMENT

ADJUSTMENT
MEASUREMENT
ADJUSTMENT ADJUSTMENT CONDITION VALUE POINT
UNIT LOCATION UNIT ADJUST
SENSITIVITY 1 • Operating channel : ch16 MAIN Connect a DC volt- Maximum voltage MAIN L5,
• [SQUELCH] control: meter to the check L6,
Max. counterclockwise point CP3. L7,
• Connect an SSG to the antenna
connector and set as:
Frequency : 156.800 MHz
Level : 10 µV*
(–97 dBm)
Modulation : 1 kHz
Deviation : ±3.5 kHz
• Receiving
*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.

4-2
 + DC power supply
– 13.8 V /15 A

to DC cable

Red Black

R70 Output power

adjustment for [Low]
R71
Output power
adjustment for [High]
L5
R130 Sensitivity
L6 adjustment
Frequency deviation
adjustment L7

C117
Reference frequency
adjustment CP1 PLL lock voltage
check point for [RX]

CP2 PLL lock voltage

check point for [TX]

CP3 Sensitivity
check point

L12 PLL lock voltage

adjustment for [TX]

L13 PLL lock voltage

adjustment for [RX]
J2
7 1
J2
w

y
Audio generator + t
300 Hz to 3 kHz – [PTT]
r
AC millivoltmeter
2–200 mV

4-3
 SECTION 5 PARTS LIST

[LOGIC UNIT] [LOGIC UNIT]

REF ORDER REF ORDER
DESCRIPTION DESCRIPTION
NO. NO. NO. NO.
IC1 1140007220 S.IC M38223M4-432-HP C19 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
IC2 1110003500 S.IC S-80742SL-A6-T1 C20 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
IC3 1130007390 S.IC TC7W02F (TE12L) C21 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
IC4 1140005620 S.IC X25080SI-2.7T6

DS1 5030001373 LCD LD-HU4549J-1

Q1 1530001950 S.TRANSISTOR 2SC2712-GR (TE85R) DS2 5080000170 LAMP HRS-7219A-Y2-30
Q2 1510000500 S.TRANSISTOR 2SA1162-GR (TE85R) DS3 5080000170 LAMP HRS-7219A-Y2-30
Q3 1530001950 S.TRANSISTOR 2SC2712-GR (TE85R)
Q4 1590000670 S.TRANSISTOR FMW1 T148
Q5 1520000450 S.TRANSISTOR 2SB1132 T100 Q J1 6510019070 S.CONNECTOR 52559-3092
J2 6510018960 S.CONNECTOR B2B-PH-SM3-TB

D1 1750000060 S.DIODE 1SS196 (TE85R)

D2 1750000110 S.DIODE 1SS272 (TE85R) W3 8900005320 FFC OPC-519
D3 1750000060 S.DIODE 1SS196 (TE85R)
D4 1750000060 S.DIODE 1SS196 (TE85R)
EP1 0910049094 PCB B 5035D
EP2 8930045650 LCD CONTACT SRCN-2040-SP-N-W
X1 6060000630 S.CERAMIC PBRC 4.91 BR

R1 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)

R2 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
R3 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) [VR-A UNIT]
R4 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) REF ORDER
R5 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) DESCRIPTION
NO. NO.
R6 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 kΩ)
R7 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R1 7210001500 VARIABLE RK097111102AA (10KA)
R8 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ)
R9 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
R10 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) W1 8900007790 CABLE OPC-759
R11 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ)
R12 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R13 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) EP1 0910049102 PCB B 5036B
R14 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
R15 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R16 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R17 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R18 7030000190 S.RESISTOR MCR10EZHJ 27 Ω (270)
R19 7030000190 S.RESISTOR MCR10EZHJ 27 Ω (270) [VR-B UNIT]
R20 7030003660 S.RESISTOR ERJ3GEYJ 683 V (68 kΩ) REF ORDER
R21 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) DESCRIPTION
NO. NO.
R22 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ)
R23 7030003650 S.RESISTOR ERJ3GEYJ 563 V (56 kΩ) R1 7210001010 VARIABLE RK097111000AA (10KB)
R24 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
R25 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ)
R26 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) EP1 0910049312 PCB B 5055B
R27 7030003700 S.RESISTOR ERJ3GEYJ 154 V (150 kΩ)
R28 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R29 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
R30 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
R31 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R32 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) [MAIN UNIT]
R33 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) REF ORDER
R34 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) DESCRIPTION
NO. NO.
IC1 1110003490 S.IC TA31136FN (D,EL)
C1 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A IC2 1150001540 IC M57710-A/SC-1302
C2 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A IC3 1130007610 S.IC µPD3140GS-E1 (DS8)
C3 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A IC4 1130007370 S.IC TA75S558F (TE85L)
C4 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A IC5 1130007690 S.IC BU4066BCF-T1
C5 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A IC6 1110003750 S.IC M5218AFP 600C
C6 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A IC7 1130007700 S.IC BU4094BCF-T1
C7 4030009660 S.CERAMIC C1608 JF 1C 224Z-T-A IC8 1180001070 S.IC TA7805F (TE16L)
C8 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A IC9 1110003090 IC LA4425A
C9 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A IC10 1110003640 S.IC BA1604F-T
C10 4510005860 S.ELECTROLYTIC ECEV1HA2R2SR
C11 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C12 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A Q1 1560000550 S.FET 2SK882-Y (TE85R)
C13 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A Q2 1580000540 S.FET 3SK131-T2-LA
C14 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A Q3 1530002360 S.TRANSISTOR 2SC2714-Y (TE85R)
C15 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A Q4 1560000330 S.FET 2SK210-GR (TE85R)
C16 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A Q5 1560000330 S.FET 2SK210-GR (TE85R)
C17 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A Q6 1560000540 S.FET 2SK880-Y (TE85R)
C18 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A Q7 1530002600 S.TRANSISTOR 2SC4215-O (TE85R)

S.=Surface mount

5-1
[MAIN UNIT] [MAIN UNIT]
REF ORDER REF ORDER
DESCRIPTION DESCRIPTION
NO. NO. NO. NO.
Q8 1530002600 S.TRANSISTOR 2SC4215-O (TE85R) R8 7030003790 S.RESISTOR ERJ3GEYJ 824 V (820 kΩ)
Q9 1530002600 S.TRANSISTOR 2SC4215-O (TE85R) R9 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ)
Q10 1530002240 S.TRANSISTOR 2SC3775-3-TB R10 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
Q11 1530002340 S.TRANSISTOR 2SC2954-T2B R11 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
Q12 1520000380 TRANSISTOR 2SB1143 S R12 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω)
Q13 1590000670 S.TRANSISTOR FMW1 T148 R13 7030003350 S.RESISTOR ERJ3GEYJ 181 V (180 Ω)
Q14 1590000420 S.TRANSISTOR RN1404 (TE85R) R14 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω)
Q15 1590000420 S.TRANSISTOR RN1404 (TE85R) R15 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)
Q16 1590000460 S.TRANSISTOR RN1402 (TE85R) R17 7030003410 S.RESISTOR ERJ3GEYJ 561 V (560 Ω)
Q17 1590000420 S.TRANSISTOR RN1404 (TE85R) R18 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ)
Q18 1520000460 S.TRANSISTOR 2SB1132 T100 R R19 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
Q19 1590000420 S.TRANSISTOR RN1404 (TE85R) R20 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω)
Q20 1520000460 S.TRANSISTOR 2SB1132 T100 R R21 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ)
Q21 1530000160 S.TRANSISTOR 2SC2712-Y (TE85RTEM) R22 7030003390 S.RESISTOR ERJ3GEYJ 391 V (390 Ω)
Q22 1530000160 S.TRANSISTOR 2SC2712-Y (TE85RTEM) R23 7030003450 S.RESISTOR ERJ3GEYJ 122 V (1.2 kΩ)
Q23 1540000550 S.TRANSISTOR 2SD1664 T100Q R24 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
Q24 1590001190 S.TRANSISTOR XP6501- (TX).AB R25 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω)
Q25 1520000460 S.TRANSISTOR 2SB1132 T100 R R26 7030003690 S.RESISTOR ERJ3GEYJ 124 V (120 kΩ)
R27 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ)
R28 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ)
D1 1710000290 DIODE MI308 R29 7030003610 S.RESISTOR ERJ3GEYJ 273 V (27 kΩ)
D2 1720000370 S.VARICAP HVU350TRF R30 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
D3 1720000370 S.VARICAP HVU350TRF R31 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω)
D4 1720000370 S.VARICAP HVU350TRF R32 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω)
D5 1750000470 S.DIODE 1SS321 (TE85R) R33 7030003310 S.RESISTOR ERJ3GEYJ 820 V (82 Ω)
D6 1790000640 S.VARICAP MA363B (TX) R34 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
D7 1790000640 S.VARICAP MA363B (TX) R35 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
D8 1790000640 S.VARICAP MA363B (TX) R36 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
D9 1790000450 S.DIODE MA862 (TX) R37 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
D10 1750000060 S.DIODE 1SS196 (TE85R) R38 7030003590 S.RESISTOR ERJ3GEYJ 183 V (18 kΩ)
D11 1790000690 S.DIODE HSM88ASR-TR R39 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
D12 1790000690 S.DIODE HSM88ASR-TR R40 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
D13 1710000290 DIODE MI308 R41 7030003410 S.RESISTOR ERJ3GEYJ 561 V (560 Ω)
D16 1750000070 S.DIODE 1SS226 (TE85R) R42 7030003550 S.RESISTOR ERJ3GEYJ 822 V (8.2 kΩ)
D17 1790000700 DIODE DSA3A1 R43 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
D18 1790000640 S.VARICAP MA363B (TX) R44 7030003380 S.RESISTOR ERJ3GEYJ 331 V (330 Ω)
D19 1790000640 S.VARICAP MA363B (TX) R45 7030003380 S.RESISTOR ERJ3GEYJ 331 V (330 Ω)
R46 7030003420 S.RESISTOR ERJ3GEYJ 681 V (680 Ω)
R47 7030003660 S.RESISTOR ERJ3GEYJ 683 V (68 kΩ)
FI1 2010001610 MONOLITHIC FL-202 (30.850 MHz) R48 7030003420 S.RESISTOR ERJ3GEYJ 681 V (680 Ω)
FI2 2020001210 CERAMIC CFWS450E R49 7030003660 S.RESISTOR ERJ3GEYJ 683 V (68 kΩ)
R50 7030003390 S.RESISTOR ERJ3GEYJ 391 V (390 Ω)
R51 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ)
X1 6050009640 XTAL CR-528 (15.2 MHz) R52 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
X2 6070000210 S.DISCRIMINATOR CDBCA450CX24 R53 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)
R54 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)
R55 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)
L1 6110001670 COIL LA-253 R56 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ)
L2 6110001600 COIL LA-243 R57 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ)
L3 6110001130 COIL LA-149 R58 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)
L4 6110001600 COIL LA-243 R59 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω)
L5 6150004360 S.COIL LS-491 R60 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
L6 6150004360 S.COIL LS-491 R61 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)
L7 6150004360 S.COIL LS-491 R62 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)
L8 6200004790 S.COIL MLF1608D R47K-T R63 7030003220 S.RESISTOR ERJ3GEYJ 150 V (15 Ω)
L9 6200002430 S.COIL NL 252018T-082J R64 7030003220 S.RESISTOR ERJ3GEYJ 150 V (15 Ω)
L10 6200003320 S.COIL NL 322522T-3R3J-3 R65 7030000240 S.RESISTOR MCR10EZHJ 68 Ω (680)
L11 6200003100 S.COIL NL 322522T-3R9J-3 R66 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)
L12 6130002370 S.COIL LB-258 R67 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)
L13 6130002360 S.COIL LB-257 R68 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)
L14 6200003090 S.COIL NL 322522T-2R7J-3 R69 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ)
L15 6200003090 S.COIL NL 322522T-2R7J-3 R70 7310002740 S.TRIMMER RV-150 (RH03A3A14X0FC) 103
L16 6200004700 S.COIL MLR1608M R10K-T R71 7310002670 S.TRIMMER RV-143 (RH03A3AS2) 471
L17 6200004700 S.COIL MLR1608M R10K-T R72 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
L18 6200004700 S.COIL MLR1608M R10K-T R73 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω)
L19 6200002430 S.COIL NL 252018T-082J R74 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)
L20 6200002430 S.COIL NL 252018T-082J R75 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ)
L21 6170000230 COIL LW-25 R76 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
L22 6110001600 COIL LA-243 R77 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
L23 6200004660 S.COIL MLF1608A 1R8K-T R78 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)
L24 6200004660 S.COIL MLF1608A 1R8K-T R79 7410000990 S.ARRAY EXB-V8V 470JV
L25 6110001580 COIL LA-238 R80 7410000990 S.ARRAY EXB-V8V 470JV
L26 6200002600 S.COIL NL 252018T-047J R81 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω)
R82 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω)
R83 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω)
R1 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R84 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R2 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R85 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R3 7030003800 S.RESISTOR ERJ3GEYJ 105 V (1 MΩ) R86 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R4 7030003800 S.RESISTOR ERJ3GEYJ 105 V (1 MΩ) R87 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)
R5 7030003800 S.RESISTOR ERJ3GEYJ 105 V (1 MΩ) R88 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)
R6 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R89 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)
R7 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R90 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ)

S.=Surface mount

5-2
[MAIN UNIT] [MAIN UNIT]
REF ORDER REF ORDER
DESCRIPTION DESCRIPTION
NO. NO. NO. NO.
R91 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) C17 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R92 7030003550 S.RESISTOR ERJ3GEYJ 822 V (8.2 kΩ) C18 4030009920 S.CERAMIC C1608 CH 1H 050B-T-A
R93 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) C19 4030006970 S.CERAMIC C1608 CH 1H 060D-T-A
R94 7030003770 S.RESISTOR ERJ3GEYJ 564 V (560 kΩ) C20 4030009570 S.CERAMIC C1608 CH 1H 0R3B-T-A
R95 7030003710 S.RESISTOR ERJ3GEYJ 184 V (180 kΩ) C21 4030006970 S.CERAMIC C1608 CH 1H 060D-T-A
R96 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) C22 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R97 7030003380 S.RESISTOR ERJ3GEYJ 331 V (330 Ω) C23 4030009510 S.CERAMIC C1608 CH 1H 010B-T-A
R98 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) C24 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R99 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) C25 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R100 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) C26 4030006960 S.CERAMIC C1608 CH 1H 050C-T-A
R101 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C28 4030006980 S.CERAMIC C1608 CH 1H 070D-T-A
R102 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C29 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R103 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) C30 4030007110 S.CERAMIC C1608 CH 1H 680J-T-A
R104 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) C31 4030008880 S.CERAMIC C1608 JB 1C 223K-T-A
R105 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) C32 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R106 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) C33 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R107 7030003740 S.RESISTOR ERJ3GEYJ 334 V (330 kΩ) C34 4030008880 S.CERAMIC C1608 JB 1C 223K-T-A
R108 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) C35 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R109 7030000100 S.RESISTOR MCR10EZHJ 4.7 Ω (4R7) C36 4030007010 S.CERAMIC C1608 CH 1H 100D-T-A
R111 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) C37 4030009660 S.CERAMIC C1608 JF 1C 224Z-T-A
R112 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) C38 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R113 7030003730 S.RESISTOR ERJ3GEYJ 274 V (270 kΩ) C39 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
R114 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) C40 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R115 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) C41 4030008920 S.CERAMIC C1608 JB 1C 473K-T-A
R116 7030003590 S.RESISTOR ERJ3GEYJ 183 V (18 kΩ) C42 4030007130 S.CERAMIC C1608 CH 1H 101J-T-A
R117 7030003800 S.RESISTOR ERJ3GEYJ 105 V (1 MΩ) C43 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
R118 7030003670 S.RESISTOR ERJ3GEYJ 823 V (82 kΩ) C44 4510004630 S.ELECTROLYTIC ECEV1CA100SR
R119 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) C45 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
R120 7030003740 S.RESISTOR ERJ3GEYJ 334 V (330 kΩ) C46 4030008680 S.CERAMIC C2012 JF 1C 105Z-T-A
R122 7030003670 S.RESISTOR ERJ3GEYJ 823 V (82 kΩ) C47 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
R123 7030003700 S.RESISTOR ERJ3GEYJ 154 V (150 kΩ) C50 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R124 7030003670 S.RESISTOR ERJ3GEYJ 823 V (82 kΩ) C51 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R125 7030003670 S.RESISTOR ERJ3GEYJ 823 V (82 kΩ) C52 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
R126 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) C53 4030007170 S.CERAMIC C1608 CH 1H 221J-T-A
R127 7510000750 S.THERMISTOR NTCCS2012 3NH 103KC-T C54 4030007170 S.CERAMIC C1608 CH 1H 221J-T-A
R128 7030003570 S.RESISTOR ERJ3GEYJ 123 V (12 kΩ) C55 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
R129 7030003570 S.RESISTOR ERJ3GEYJ 123 V (12 kΩ) C56 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
R130 7310002600 S.TRIMMER RV-110 (RH03A3AS4X0AA) 473 C57 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R131 7030003550 S.RESISTOR ERJ3GEYJ 822 V (8.2 kΩ) C58 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R132 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) C59 4550006250 S.TANTALUM TEMSVA 1A 106M-8L
R133 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) C61 4030009510 S.CERAMIC C1608 CH 1H 010B-T-A
R134 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) C62 4030009910 S.CERAMIC C1608 CH 1H 040B-T-A
R135 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C63 4030009530 S.CERAMIC C1608 CH 1H 030B-T-A
R136 7030003840 S.RESISTOR ERJ3GEYJ 225 V (2.2 MΩ) C64 4030009500 S.CERAMIC C1608 CH 1H 0R5B-T-A
R137 7030007590 S.RESISTOR RR0816R-433-D (43 kΩ) C65 4030008920 S.CERAMIC C1608 JB 1C 473K-T-A
R138 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C67 4030009520 S.CERAMIC C1608 CH 1H 020B-T-A
R139 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C68 4030009910 S.CERAMIC C1608 CH 1H 040B-T-A
R140 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) C69 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R141 7030000240 S.RESISTOR MCR10EZHJ 68 Ω (680) C70 4550006250 S.TANTALUM TEMSVA 1A 106M-8L
R142 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) C71 4030009560 S.CERAMIC C1608 CH 1H R75B-T-A
R143 7030001070 S.RESISTOR MCR50JZHJ 33 Ω (330) C72 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R144 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) C73 4030008920 S.CERAMIC C1608 JB 1C 473K-T-A
R145 7030003590 S.RESISTOR ERJ3GEYJ 183 V (18 kΩ) C74 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R146 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) C75 4550000730 S.TANTALUM TESVA 0J 225M1-8L
R147 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) C76 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
R148 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) C77 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
R149 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) C78 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R150 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) C79 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R151 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) C80 4030009920 S.CERAMIC C1608 CH 1H 050B-T-A
R152 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) C81 4030009990 S.CERAMIC C1608 CH 1H 200J-T-A
R153 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) C82 4030007020 S.CERAMIC C1608 CH 1H 120J-T-A
R154 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) C83 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R155 7030003300 S.RESISTOR ERJ3GEYJ 680 V (68 Ω) C84 4030007040 S.CERAMIC C1608 CH 1H 180J-T-A
R156 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) C85 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
R157 7030003410 S.RESISTOR ERJ3GEYJ 561 V (560 Ω) C86 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C87 4030007010 S.CERAMIC C1608 CH 1H 100D-T-A
C88 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C1 4030011160 S.CERAMIC GRM42-6 CH 150J 500PT C89 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C2 4030011110 S.CERAMIC GRM42-6 CH 090D 500PT C90 4030007040 S.CERAMIC C1608 CH 1H 180J-T-A
C3 4030011290 S.CERAMIC GRM42-6 CH 240J 500PT C91 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C4 4030011070 S.CERAMIC GRM42-6 CH 050C 500PT C92 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C5 4030011160 S.CERAMIC GRM42-6 CH 150J 500PT C93 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C7 4030011100 S.CERAMIC GRM42-6 CH 080D 500PT C94 4030007020 S.CERAMIC C1608 CH 1H 120J-T-A
C8 4030011260 S.CERAMIC GRM42-6 W5R 102K 500PT C95 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C9 4030011190 S.CERAMIC GRM42-6 CH 270J 500PT C96 4550002830 S.TANTALUM TESVD2 1V 685M-12R
C10 4030007010 S.CERAMIC C1608 CH 1H 100D-T-A C97 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C11 4030011220 S.CERAMIC GRM42-6 CH 360J 500PT C98 4510004590 ELECTROLYTIC 16 MV 470 HC
C12 4030006970 S.CERAMIC C1608 CH 1H 060D-T-A C99 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C13 4030009510 S.CERAMIC C1608 CH 1H 010B-T-A C100 4030011290 S.CERAMIC GRM42-6 CH 240J 500PT
C14 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C101 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C15 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C102 4030011170 S.CERAMIC GRM42-6 CH 180J 500PT
C16 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C103 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A

S.=Surface mount

5-3
[MAIN UNIT] [MAIN UNIT]
REF ORDER REF ORDER
DESCRIPTION DESCRIPTION
NO. NO. NO. NO.
C104 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C188 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C105 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A C189 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C106 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C190 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C107 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C191 4510005900 S.ELECTROLYTIC ECEV0GA101SR
C108 4030006850 S.CERAMIC C1608 JB 1H 471K-T-A C192 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C109 4510004440 S.ELECTROLYTIC ECEV1HA010SR C193 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C110 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A C194 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C111 4030008880 S.CERAMIC C1608 JB 1C 223K-T-A C195 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C112 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C196 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C113 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A C197 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C114 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C198 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C115 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C199 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C116 4030007030 S.CERAMIC C1608 CH 1H 150J-T-A C200 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C117 4610002150 S.TRIMMER CTZ3S-10A-W1-AF C201 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C118 4030007070 S.CERAMIC C1608 CH 1H 330J-T-A C202 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C119 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C203 4030006980 S.CERAMIC C1608 CH 1H 070D-T-A
C120 4030009910 S.CERAMIC C1608 CH 1H 040B-T-A C204 4030009500 S.CERAMIC C1608 CH 1H 0R5B-T-A
C121 4030006990 S.CERAMIC C1608 CH 1H 080D-T-A C205 4030009910 S.CERAMIC C1608 CH 1H 040B-T-A
C122 4030009520 S.CERAMIC C1608 CH 1H 020B-T-A C206 4030006990 S.CERAMIC C1608 CH 1H 080D-T-A
C123 4030006980 S.CERAMIC C1608 CH 1H 070D-T-A
C124 4030009530 S.CERAMIC C1608 CH 1H 030B-T-A
C125 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A J1 6510019420 S.CONNECTOR B8B-ZR-SM3-TF
C126 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A J2 6510003430 CONNECTOR B07B-EH-S
C127 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A J3 6450001060 CONNECTOR HSJ1493-01-010
C128 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A J4 6510019070 S.CONNECTOR 52559-3092
C129 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A J5 6510019250 S.CONNECTOR B11B-ZR-SM3-TF
C130 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C131 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C133 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A W1 7120000470 JUMPER ERDS2T0
C134 4030008770 S.CERAMIC C1608 JB 1H 562K-T-A W2 7120000470 JUMPER ERDS2T0
C135 4550000510 S.TANTALUM TESVA 1V 473M1-8L
C136 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C137 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A EP1 0910049084 PCB B 5034D
C138 4030008650 S.CERAMIC C1608 JB 1H 332K-T-A
C139 4030007110 S.CERAMIC C1608 CH 1H 680J-T-A
C140 4030008470 S.CERAMIC C1608 JB 1H 272K-T-A
C141 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C142 4510004630 S.ELECTROLYTIC ECEV1CA100SR
C143 4510004630 S.ELECTROLYTIC ECEV1CA100SR
C144 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C145 4510004630 S.ELECTROLYTIC ECEV1CA100SR
C146 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C147 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C148 4510005320 S.ELECTROLYTIC ECEV0JA101SP
C149 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C150 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C151 4030008680 S.CERAMIC C2012 JF 1C 105Z-T-A
C152 4550006130 S.TANTALUM ECST1VY224R
C153 4030008890 S.CERAMIC C1608 JB 1C 273K-T-A
C154 4030006870 S.CERAMIC C1608 JB 1H 222K-T-A
C155 4030009490 S.CERAMIC C1608 JB 1H 821K-T-A
C156 4510004630 S.ELECTROLYTIC ECEV1CA100SR
C157 4550006150 S.TANTALUM ECST1CY105R
C158 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C159 4550006130 S.TANTALUM ECST1VY224R
C160 4550006170 S.TANTALUM ECST1AY225R
C161 4550006170 S.TANTALUM ECST1AY225R
C162 4030008920 S.CERAMIC C1608 JB 1C 473K-T-A
C163 4510004590 ELECTROLYTIC 16 MV 470 HC
C164 4510004590 ELECTROLYTIC 16 MV 470 HC
C165 4030008960 S.CERAMIC C2012 JB 1C 104K-T-A
C166 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C167 4510004630 S.ELECTROLYTIC ECEV1CA100SR
C168 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C169 4550006170 S.TANTALUM ECST1AY225R
C170 4550006150 S.TANTALUM ECST1CY105R
C171 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C172 4340000010 S.MYLAR ECWU 1C 223JB5
C174 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C175 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A
C176 4030011340 S.CERAMIC C1608 CH 1H 471J-T-A
C177 4030006900 S.CERAMIC C1608 JB 1E 103K-T-A
C178 4030011730 S.CERAMIC GRM42-6 CH 101J 500PT
C179 4030008890 S.CERAMIC C1608 JB 1C 273K-T-A
C180 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C181 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C182 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C183 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C184 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C185 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C186 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A
C187 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A

S.=Surface mount

5-4
 SECTION 6 MECHANICAL PARTS AND DISASSEMBLY

[CHASSIS PARTS] [MAIN UNIT]

REF. NO. ORDER NO. DESCRIPTION QTY. REF. NO. ORDER NO. DESCRIPTION QTY.
J1 6510004880 Antena connector MR-DES-01 1 MP1 8510011600 2040 VCO Case 1
MP2 8510011590 2040 VCO Cover 1
MC1 Optional product Microphone HM-117B [BLACK] 1 MP3 8510011690 2040 Module plate 1
Optional product Microphone HM-117W [WHITE] 1

SP1 2510001040 Speaker F45G07-4 1 [ACCESSORIES]

W1 8900007770 Cable OPC-754 1 REF. NO. ORDER NO. DESCRIPTION QTY.
W1 8900006540 Cable OPC-632 1
MP2 8010017261 2040 Chassis-1 1
MP3 8930045700 2040 IC clip 1 MP1 8950004140 1632 MIC hanger [BLACK] 1
MP4 8510011530 2040 Case [BLACK] 1 8950004770 1632 MIC hanger (A) [WHITE] 1
8510011550 2040 Case (A) [WHITE] 1 MP2 8010017250 2040 Mobile bracket [BLACK] 1
MP5 8210015210 2040 Front panel [BLACK] 1 8010017270 2040 Mobile bracket (A) [WHITE] 1
8210015260 2040 Front panel (A) [WHITE] 1 MP3 8610010560 2040 Knob bolt [BLACK] 2
MP6 8930045260 2040 6-key 1 8610010590 2040 Knob bolt (A) [WHITE] 2
MP7 8930045270 2040 R-packing 1 MP4 8810001470 Screw PH A0 M3.5x30 SUS 2
MP8 8930045280 2040 F-packing 1 MP5 8810001490 Screw PH A0 M5x20 SUS 2
MP10 8610010550 Knob N-264 [BLACK] 2 MP6 8850000180 Flat washer M5 SUS 2
8610010580 Knob N-264 (A) [WHITE] 2 MP7 8850000500 Spring washer M5 SUS 2
MP11 8930045310 2040 Jack cap 1
MP12 8930033470 1542 Jack bush 1
MP13 8930045290 2040 Bush plate 1
MP15 8930014280 SP net 1
MP16 8810008630 Screw PH B0 M3x6 NI-ZU (BT) 7
MP17 8810008660 Screw PH B0 M3x8 NI-ZU (BT) 4 MP4
MP18 8810008660 Screw PH B0 M3x8 NI-ZU (BT) 2
MP19 8810004540 Screw BiH M3x8 SUS 2
MP2 MP1
MP20 8810004540 Screw BiH M3x8 SUS 4
MP21 8810008680 Screw PH M3x8 NI 4 MP5

[LOGIC UNIT]
MP6

REF. NO. ORDER NO. QTY. W1 MP3 MP7

DESCRIPTION
DS1 503001373 LCD LD-HU4549J-1 1
DS2 5080000170 Lamp HRS-7219A-Y2- 30 1
DS3 5080000170 Lamp HRS-7219A-Y2- 30 1
Screw abbreviations A, B0, BT: Self-tapping
W3 8900005326 Cable OPC-519 1 PH: Pan head
FH: Flat head
EP2 8930045650 LCD contact SRCN-2040-SP-N-W 1 BiH: Bind head
NI: Nickel
MP1 8210015200 2040 Reflector 1 SUS: Stainless
MP2 8930045300 2040 LCD holder 1
ZK: Black

[VR-A UNIT]

REF. NO. ORDER NO. DESCRIPTION QTY.

R1 7210001500 Variable resistor RK097111102AA (10KA) 1
[PWR/VOL] (incl. nut)

[VR-B UNIT ]

REF. NO. ORDER NO. DESCRIPTION QTY.

R1 7210001010 Variable resistor RK097111000AA (10KB) 1
[SQUELCH] (incl. nut)

6-1
 MP20 (C)

MP4 (C)

MP17 (C)

DS2 (L)
DS3 (L) LOGIC UNIT

EP2 (L)
J1 (C)

MP19 (C)

MP2 (L)
MP7 (C)
SP1 (C)

MP15 (C) MP1 (L)

MP13 (C) W1 (C)

MP21 (C)
DS1 (L)
MP8 (C)

R1 (VB) MP11 (C)

VR-A UNIT

VR-B UNIT

R1 (VA)

MP2 (C) MP12 (C)

MP6 (C)

MP3 (C)

MP5 (C)

MP10 (C)
MC1 (C) MAIN UNIT
MP16 (C)

W3 (L)

MP16 (C)

MP3 (M)

UNIT abbreviation (C): CHASSIS PARTS (L): LOGIC UNIT (M): MAIN UNIT
(VA): VR-A UNIT (VB): VR-B UNIT IC2 (M)

Note: Refer to IC-M59 service manual for HM-117 microphone details.

MP18 (C)

6-2
 SECTION 7 SEMI-CONDUCTOR INFORMATION

• TRANSISTOR AND FET’S

2SA1162 GR 2SB1132 Q 2SB1132 R 2SB1143 S 2SC2712 GR
(Symbol: SR) (Symbol: BARB) (Symbol: BARB) (Symbol: LG)
E

B
E C

2SC2712 Y 2SC2714 Y 2SC2954 2SC3775 3 2SC4215 O

(Symbol: LY) (Symbol: QY) (Symbol: QK) (Symbol: OY3) (Symbol: QO)

B
C
E

2SD1664 Q 2SK210 GR 2SK880 Y 2SK882 Y 3SK131 L

(Symbol: DA) (Symbol: YG) (Symbol: XY) (Symbol: TY) (Symbol: V12)

B D
D S D G1

C C S G S
G D G S G2
E

FMW1 RN1402 RN1404 XP6501 AB

(Symbol: W1) (Symbol: XB) (Symbol: XD) (Symbol: 5N)

B E C
C E B
E B C

• DIODES
1SS196 1SS226 1SS272 1SS321 HSM88ASR
(Symbol: G3) (Symbol: C3) (Symbol: A1) (Symbol: F9) (Symbol: C3)

HVU350 MA363 B MA862

(Symbol: 4) (Symbol: 6D) (Symbol: M1I)

7-1
 SECTION 8 BOARD LAYOUTS

8-1 LOGIC UNIT

• TOP VIEW
J1
30 SP+
SP+
SP-

DS2
SP-
GND
BEEP C20 Q5
PTT

C15
R25
ICF3 R19
HANG C21 Q4
R18
TXDET R26

R23 R21
OEX. OE
R20 R24
P. STB

R22
OEX.STB

C10
TONE
R33
SMETER

J1
R31
SQL R32
PTT. S

C16
UNLK C19

CK

C4
J2 DATA

C3
1

R30
DATAM
C13

C14
C12
R3

1 5V R29
DATAS
J2

2 GND
SQLV

R27
C11
R28
D2
1

FROM R34
BUSY C5 R2
MICROHON
GND R1

GND

IC1
F. MODE
HVS
C9
D4

NC
1 5V
IC4

R16
TO MAIN
C18

R17
UNIT J4 R15
C8
Q1

R8
IC3
R9
R7

R12 D1
X1
R14
R11

Q2 C7 R5
R13

C6

IC2
R6

R10 C17
DS3

D3 Q3 R4

C1
C2

• VR-A UNIT • VR-B UNIT

1 5 1 1 3 J1 1
J2 J1
SQL G
SQL V
VOL1
VOL2

SQL I
GND

HVS
HV

TO MAIN TO MAIN
UNIT J1 UNIT J1 R1
R1

8-1
• BOTTOM VIEW

• VR-B UNIT • VR-A UNIT

8-2
 • TOP VIEW
8-2 MAIN UNIT

J4
J2

1
SP+

7
SP+ AF2

11

1
SP- GMD

UNIT
MIC

J5
SP-
GND GND

5V
DET
DSC
GND

ICF 3
HANG

BUSY
PTT S

RMUT
DATA S
BEEP

DATA M
OP RST
PTT PTT

1
ICF3 AF1

FROM MICROPHON

FROM OPTIONAL
HANG
TXDET
OEX.OE
P.STB
OEX.STB C160 C161 Q12 IC9
R85
TONE
J3
SQL.C

C163
SQL
R105
PTT.S IC5

C191
C158
UNLK

R77
R106

FROM LOGIC UNIT J1

CK C159
C109
DATA
C164

8-3
D16
DATA M
DATA S
C145
SQL V R143
BUSY
R133
GND C146

R118
R114

C167
GND

C135

IC6
F.MODE C143
IC8

R120
C125
HVS C170
C181

C126
NC R131 R132
R128
C169 C147
5V

30
R130

R127

R126
C140

R129
C168 C142

1
J2

C148

R79
IC10
IC7

J4
Q25
1

R137

R80
C144

R136
D17

C172 R83 Q11

Q24 J5
C207

1
L20

C193

C194
R64

C92
R61
R62
C93
R63

J1
C91

8
Q14

VOL2
VOL1
GND L19
C150 C149
C89

R100
R60

C157 D10
C96

HVS C155
C177
C189

J1
HV C154
Q17

Q20 Q18
Q19

Q22
C192

SQLV R99
C156 R91 R89
SQLI R98
R90 R88 C187
C186

1
SQL G C179

1
Q21
R145 R96 C115
R154 R155
C153 R93 C114 R75
R156

R92 R94 C110

FROM
Q15

R78

R95 R76
C152

R97
C151
IC3

C117 C106
Q13

FI2

VR-A UNIT P1
R22 C47 R73
C98
R72
Q16

C124 C122 C120

X1

C44
L24
L23

C123
C121

R70
R71
W1

C69
D8

L11 C101
R35
D11

L15

R68
R66
Q5

X2

IC1 L13 C105 C104

C68

R34
C65

C71
C205
D19

C67

D12
L22

C70 R32
C81

L10 C58
Q23
R67

L14 L17
C103

C77 L12 Q8 C79

D6
Q4

R43 R33 C204

C202

R41 C64
C62
C63

C61 D7
R140

C203
D18

Q7
R47
D13

R29 L21
R42
C76

C57 R30 C59

C80
R49

L16
R48
C185
FI1B

C56 C188
L3

C197 C82
R50

L9
R51
W2

C28 C84
L18

Q9
C83

C196
L26

L4
C201
FI1A
D1

C31
C32
R12
L7
L6
L5
L1

C20

L2
L8

C30
R13
L25
• BOTTOM VIEW

IC2

RED BLK

C127

C128
C1

C165
C3
R109

C2

C102
R173
C95
C4

R97
R94
C100

C162
C180
C6

R69
C5 C175

C176
C7 C8

C174
C99
R141

C107
C108
R59
C9 R74 R56
R65 C90

R57

R87
C130

C131

Q10

C129
C178

R134

R58

R88
C11

C133

R111

R112
C10

R142
R55 R113

R3 C86 R46

C134
C141

IC4
C12
R54 C78
C16

C185

C132

R116

D144
C13 D14
D2

R115
R35

C85

R2
C199
C14

C15

C118
C116

D15
R1
Q1

D9

R4 R15 R52
R31

C195

C166
C19 R45

R102
C182

R122
C17

R123
C137
R87
C29

C119
D3

C18 R119
R86

R101

R104
R103
C200 R84

C138

R125
R124
C21
R5
D4

C23 C136
C75

C139
C190 C113 C111
C206

C26
C24

R6

C74 R44 C112

R7 R40
R10

R11
R8

R9

R37 R117
R81
C73
Q6

C25 R150 R148

C22

R146
C34 R39 R38
C72
Q2 R14
C21
C46
C49

R147 R82
C41

R36 R20 R151 R149

R18
C33 C39
R184 Q3

R107

R108
C38 R19
R16

C35 R157
C45
C42

R37
R17
R36

C40

R139

R23 R26
C171
C28

C53
C54

C51
R138
C52
R25

D5
R27 C50
R135

R153
C198

C55 C43 R24

R152

8-4
 CERAMIC
BPF
FI2

IC1
SECTION 9

SP
ANT

Q2
FM 2nd IF 2nd IF XTAL RF ANT SW
DET AMP BPF BPF BPF LPF
AMP MIX AMP D1,D13
Q3 FIL
Q1

LAMP LOGIC UNIT

DS2,DS3 NOISE NOISE SQL 2nd LO
AMP DET SW Q11 RF OUT
TX/RX PRE YGR RF POWER AMP
DRIVE DET
SW AMP IC2 D11,D12
LCD
SQL VR D9 Q10
DS1 AF (VR-B unit)
FILTER
Q21,Q22
X2 APC
AF Q12
EEPROM POWER AF
IC4 AMP MUTE
DIM IC9 IC5
Q14,Q15

SQL
Q4,Q5
AF VR TX HI/LOW
(VR-A unit) MUTE CTRL
BEEP CTRL Q16

RMUT
X1
MPU
IC1 TONE
TONE DE-
HI/LO

TMUT

CODER
RESET IC10

9-1
IC2
BLOCK DIAGRAM

PATTERN
SWITCH

UNLK
DSC
UNIT X1 15.2MHz
(OPTION)

BUFF
PLL IC3 COMMON LINE
Q8

RX LINE
EXPAND
IC7 TX LINE
LOOP VCO
BUFF BUFF
FIL Q4,Q5
LINE

RCV
Q7 Q9

SEND
POWER SW
REVERSE (VR-A unit) R5 T5 DATA BUS LINE
13.8V CONECT REG
CTRL CTRL
PROTECT HVS IC8 Q20 Q18
D17

HV 5V R5 T5

MIC IDC LPF

MIC AMP AMP
IC4 IC6A IC6B
 SECTION 10 VOLTAGE DIAGRAM
10-1 LOGIC UNIT

DS3
HRS-7219-A-Y2-30
DS1 DS2
LD-HU4549J-1 HRS-7219A-Y2-30
S31
S30
S29
S28
S27
S25
S24
S23
S22
S21
S26
S20
S19
S18
S17
S15
S14
S13
S12
S11
S10

S16

C1
C0
S9
S8

S7
S6
S5
S4
S3
S2
S1
S0
10
11
12
13
14
15
16
17
18
19

21
22
23
24
25
26
27
28
29
30
31
32
33
34
20
1
2
3
4
5
6
7
8
9

DIM
SEG30
SEG29
SEG28
SEG27
SEG25
SEG24
SEG23
SEG22
SEG21
SEG26
SEG20
SEG19
SEG18
SEG17
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10

SEG16
SEG31
DIM

COM1
COM0
SEG9
SEG8

SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
C20
0.01

DIM3:9.8V
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29

PATTERN SWITCH
DIM2:6.3V
DIM1:3.6V
OFF:OV
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
SEG10
SEG11
P34 /SEG12
P35 /SEG13
P36 /SEG14
P37 /SEG15
P00 /SEG16
P01 /SEG17
P02 /SEG18
P03 /SEG19
P04 /SEG20
P05 /SEG21
P06 /SEG22
P07 /SEG23
P10 /SEG24
P11 /SEG25
P12 /SEG26
P13 /SEG27
P14 /SEG28
P15 /SEG29

SEG9 61 UP SCAN CH16

SEG9
SEG8 62
SEG8
SEG7 63 40 SEG30
SEG7 P16/SEG30
SEG6 64 39 SEG31
SEG6 P17/SEG31
SEG5 65 38 KEY1 (CH16)
SEG5 P20
SEG4 66 SEG4 37 KEY2 (CH/WX)
P21
SEG3 67 36 KEY3 (SCAN)
SEG3 P22
SEG2 68 35 KEY4 (H/L)
SEG2 P23
SEG1 69 SEG1 34 KEY5 (UP)
P24
SEG0 70 33 KEY6 (DOWN)
SEG0 P25
71
72
VCC IC1 P26
32 B.E
31 HANG
C12
0.01 73
VREF M38223M4-432-HP P27
30
AVSS VSS
74 COM3 29
75 XOUT
COM2 28
COM1 76 XIN
COM1 P70/XCOUT 27 LAMP1
COM0 77 26 LAMP2
COM0 P71/XCIN
78 25 RESET
VL3 RESET
79 24 TONE
VL2 P40
R29 80 23 UNLK X1 DOWN HI/LO CH/WX
10K VL1 P41
22 SQL PBRC4.91BR
P55 / CNTR1
P54 / CNTR0

P42/INT0
P47 / SRDY
P56 / TOUT

B.E.
P46 / SCLK
P53 / RTP1
P52 / RTP0

21
P51 / INT3
P50 / INT2

P44 / RXD

P43/INT1
P57 / ADT

P45 / TXD
P67 / AN7
P66 / AN6
P65 / AN5
P64 / AN4
P63 / AN3
P62 / AN2
P61 / AN1
P60 / AN0

R30
C14 10K 2.4V
0.1
HANG
15
16
13

17
12

14

18
19
20
10
11
2

8
1

3
4
5
6
7

SP1
R34 47K 1.2V F45GO7-4
SP- W1
S.METER

OEX.STB

–
F.MODE

OEX.CE

DATAM
DATAS
TXDET

KEY.M
PTT.M
LBATT

P.STB
PTT.S
BUSY

SQLV

BEEP

DATA

+
ICF.C

SP+
ECS
ESI
CK

W2
C13 0.01
R27 150K 5 4
IC2
NC

NC

R33 47K

Q1 S-80742SL-A6 C2
0.001
C1
0.001
R32 47K
2SC2712GR
OUT
VDD
VSS

R9 100K
R28 C11
47K 0.01 1 2 3
R31 47K C7 R5
0.22 1K
LAMP2
LAMP1
TONE
UNLK

R7
SQL

220K J1 to MAIN W3
unit J4 OPC-519
SP+
30
SP+
R8 D1 R6 R4 C6 29
220K 1SS196 470K 100K 0.01 SP-
28
SP-
27
GND
26
BEEP
25
PTT
24
ICF3
23
HANG
22
TXDET
21
OEX.OE
20
Q5 P.STB
19
2SB1132T100Q R18 27 OEX.STB
18
TONE
17
S.METER
16
SQL
15
R19 27 PTT.S
14
UNLK 13
Q4 R20 68K CK
12
1 FMW1T148
DATA
2 11
DATAM
LAMP2 10
DATAS 9
R21 47K SQLV
R25 8
3.9K BUSY
7
3 4 5 LAMP1 GND
6
R22 39K GND
5
R26 F.MODE
2.7K 4
HVS
3
C21 R24 C10 R23 2
0.01 1K 2.2 56K 5V
1
KEY.M
DATAM

PTT.M

PTT.S
DATAS

ICF.3
ICF.C

PTT
ESI
ECS

IC4 R17 R16

47K R14 R2 R1
C18
0.01
X25080SI-2.7 47K 100K C8
0.01 R11 D3 100K 10K
6.8K R10 1SS196
8 VCC 1 33K D2
CS 1SS272
7
HOLD SO 2 C17 C4 C3 C19 C16 C15
CK 6 3 0.01 0.01 0.01 0.01 0.1 0.1
DATA 5
SCK
SI
WP
VSS
4 D4 1SS196
8 1 Q2 J2
KEY.M
7
6
2
3
2SA1162GR Q3
1
2 from Microphone
5 4
R15
47K R13 2SC2712GR
R12 10K C5 0.01
C9 47K R3 100K
0.01
IC3
TC7W02F

10 - 1
10-2 MAIN UNIT
DET Rx: 2.2V R18
TONE 1.5K
CP3 R5 R5
SQL
R20 R12 R7
C40 470 R19 10 100
0.001 100K L8 R1
C38 C37 47
X2 CDBCA450CX24 C42 100P 0.001 0.22 0.47µ
R24 D5 1SS321
100K R13 C30 C22
C39 68P C25
R17 FI1b FL-202 FI1a FL-202 180 R9 R8 0.001 0.001
0.01 560 L6 LS-491
2.2K 820K
C26 C20 C10 L4 C8 L3 L2 L1
R23 DET

11
12
10

15
16
13
14
C32 C31 C201 LA-253
R157 C35 5P 0.3P
Q1 C14 C199 10P LA-243 0.001 LA-149 LA-243

9
C41 C44 C43 1.2K
SQL.C 0.047 10/16V 0.01 Q3 560 0.001 0.001 0.022 0.1 0.001 0.1
ANT
2SK882Y

AFOUT
QUAD
IFOUT
RSSI
N-DET
N-REC
GND
MIXIN
R25 470 2SC2714 Y C36
Q2 D2
HVU350
L5 LS-491
DET
Q25 10P 3SK131 L Rx: 1.5V D4
HVU350
D3
HVU350
Rx: 0.3V D1
MI308
R138 C52 IC1 2SB1132 R TONE
Rx: 0.5V R11 R10 C9
C4
5P C2
10K 0.1 C171 10K 100K C23 C11
SQLI TA31136FN 1P 36P
27P 9P

OSCOUT
0.1

MIXOUT
7 FILOUT
1 8

OSCIN
C51 C50 FIL OUT R137 R14 L7

FILIN
L25 C178

DEC

VCC
2 7 43K 47

IFIN
0.001 0.001 FIL LS-491 100P
C55 R27 GND LA-238
0.1 33K 3 6 C7 C5 C3 C1
IN CR
R153 4 VCC 5 8P 15P 24P 15P

6
5
4
3
2
1
SQLV C34 C33 C21 C19 C18 R2 C15 C13 C12
4.7K CR
0.022 0.001 6P 6P 5P 100 0.001 1P 6P R141
C53 Rx: 2.5V 68
220P R26 4 5 6 C29 L9 L26 R5 R4 R3
0.001 82n 47n (CH16) 1M
120K 1M 1M
Rx: 5.1V C196
R21
1.5K 0.1
IC10 R136
C24 C17 C16 C175
R139
C54
R22
390 C167 C168 C169 C170 BA1604F
2.2M
C172 0.001 0.001 0.001 Q23 0.001 D13
10K CP1
R28 220P
C47
2 FI2
CFWS450E
1 Q24
10 0.1 2.2 1 0.022 2SD1664Q MI308
2.7K XP6501 AB 3 2 1 R15
0.01 C28 C206
5 4 3 2.2K 7P 8P R6
R135 10K R152 100k R140
4.7K 470 R65 L21
C46 C45 68
1 0.1 R5 LW-25
R5 R5
T5 T5 T5
HV HV HV
C176 C99
R59 IC2 SC-1320 470P 0.001
C202 10
0.1 R31 5V
47 GND GND
C198 C92 R64
C56 R29 0.1 C188

VDD
R30 15

VGG
0.1 0.1 0.001 L20 C174
27K C185

PO
100K C89 82n 0.001

PI
C182 C183 R46 R48 0.1 R50 R55 R56 L19 0.001 R60 C94 12P L22
0.1 0.1 680 680 390 2.2K 4.7K 82n 1K LA-243
1 2 3 4
C57
0.001
Q4 C58
0.001 R32 C200 R53 C97 0.001
R66 R67
C86 2.2K 2.2K
J5
C61 2SK210GR C59
10
47 0.1
D9
100 0.001 C95
0.001 D11
1
DSC 1P
C204
C79
0.001
R49 L17 C83
MA862 R61 Q11 C101
HSM88ASR
D18 C90 18P
2
DET
MA363B L12 LB258 C62
4P
0.5P R47
68K
L16
0.1µ
68K 0.1µ 0.001 R51
39K L18 R54 Q10 100
2SC2954 C100
0.001 C102 C103
5V 100
3
DATAM
0.1µ C84 18P
C87 2SC37753 Tx(Hi): 7.8V
Tx(Lo): 5.0V
C98 24P 18P 0.001
4 10P 470
C64 C96
from ICF3 0.5P 6.8
5 L10 L14 C78
optional
6
RMUT 3.3µ
C203
2.7µ 0.001 R52
C85
0.001
Q13
unit C63 C80 C81
BUSY 7P 3P
R33 5P
Q8 20P 1K FMW1
7
PTT.S
82
Q7 C82
12P
Q14 1 5
D12
8
OP.RST D6 2SC4215O 2SC4215O Q9 R155 RN1404 HSM88ASR
D7
9
DATAS MA363B MA363B 2SC4215O 68 R57
4.7K
R58
100
C88
0.001
D10
1SS196
C91
0.001
R62
1K
R63
15
C93
0.001 Q12 C108 4
10
11
GND 2SB1143S 470P

Q5 Q6 R36
1K 2 3
2SK880Y R43 R41 Rx: 3.5V R78 R156
C115
0.001
IC3 R77 C109 C107 C106 R72
2SK210GR C70 10K 560 100 100 C114 UPD3140GS 47K 1/50V 0.001 0.001 10K
C205 10 C72 C184 C197 0.001
D19 4P 0.001 0.1 0.01 15.2MHz 20 1 R68
MA363B
C69
C76
0.1 19
GND1 VCC1
2 Q15 R74
2.2K R71 470 100K
15.2MHz IN2 IN1 R73
R34 L11 C67
2P
0.001 R42
8.2K
CP2 C124
3P
C122
2P
C120 18
VCC2 ENB
3 RN1404 220
1K 3.9µ 4P
R37 17 4 R69
C71 1K C77 XB CLK C104 C105
0.1 16 5 1.5K 0.001 0.1
L15 0.75P R39 XI DATA
L13
2.7µ 10K X1 CR-528 15 6
C112 C111
R76
10K
Q16
C68 R35 1K L23 XO T1
LB-257 4P R38
Tx: 2.7V L24 1.8µ R45
14
GND2 LOK
7 0.001 0.022 RN1402
18K (CH16) 1.8µ 330 13 8 R70
CP2 CP1 R44 10K
D8 R40 12 9 330
C65 C190 C74 FI2 FI1 R75 C110
MA363B

TMUT
0.047 0.1 0.001 47k C119 C116 11 10

P.STB
3.3K 0.1

UNLK
DATA
C73 C75 C123 C121 0.001 C118 C117 15P FO2 FO1
2.2 7P 8P 33P 10P HI/LO

CK
0.047 Tx(Hi): 4.9V
Tx(Lo): 0V C177
0.01

TXDET
C113 Rx: 4.9V
0.01
C195 C166 5V 5V 5V
0.1 0.001

T5 R142 100
T5M T5M
R5 R131
HV 8.2K SP-
C141 C142
SP+ 0.1 10 ICF3
SP- R132 R133 SP+ J3
C143 15K 39K R101
10 10K AF2
J4 C125 C126 C191 R113 R111

DSC.C
0.001 0.001 R118

HI/LO
MIC.C
R117 270K 2.7K

RMUT
82K 100

DSC
SP+ R123 Tx: 2.6V 1M
1 IC6b C136

HANG
150K
SP+ 0.1 R144

PTT
2
SP- R79 47 M5218AFP 600C IC6a IC5 6.8K
Tx: 2.5V
3
SP- 6 BEEP R129
R127
NTCCS20123NH 5 M5218AFP 600C 8
BU4066BCF R102
10K C128 C127
4
GND 8 ICF3 12K 103KCT 7 R125 R124 R122 3 R119
47K
1 14 IC4 5 C134
0.0056 R112 0.001 0.001
5 82K 82K 82K I/O VDD
6
6 10 TXDET R126
6 1 2
O/I CONT.A
13 TA75S558F 1 1K

P.STB 39K 2 3 12 4 R134

7 12 O/I CONT.D
7 100
8 R120 4 11 3
8 330K 4 I/O I/O R116 J2
C138 5 10 18K
9 13 R147 47 OEX.STB 0.0033
9 CONT.B O/I R103 C135
10 11 R146 47 OEX.OE 6 9 2 0.047 AF1
10 R128 CONT.C O/I 47K 1
11 9 R82 47 HANG 12K 7 8 PTT
11 R130 C140 C139 C137 VEE I/O R104 R114 2
47K Tx: 2.6V 47K 1K HANG
12 7 R81 47 PTT 0.0027 68P 0.001 R115 3
12 47K from
13 GND
13 R80 4 Microphone
14 14 47 TONE MIC
14 5
to GND
15 16 SQL 6
LOGIC 15
unit J1 16 18 UNLK AF2
16 7
17 20 DATA
17
18 C130
18 C133 C131
19 21 R151 47 DATAM 0.001 0.001 0.001
19 C158
20 19 R150 47 CK HV R93 R105
20 1K 3.3K 0.001 C159 C160
21 17 R149 47 PTT.S R5 0.22 2.2 C129
21 C163
22
15 R148 47 SQL.C T5 Q22 C156
470/16V 0.001
SQLV

5V
23
SQLV
R83 47
DET R94
560K
R96
2.7K
2SC2712Y 10 R106 R107
BUSY DATAS HVS R98 R99 15K 330K C161 5
24 33K 33K 2.2 C164
GND BUSY 1
25 470
Rx: 5.0V Tx: 5.0V 5.0V C153 C179 4
GND 0.027 0.027
26 2
R108
27
HVS
C154 100K C162
0.047
IC9 R109
C144 R92 0.0022
28
0.1
C151
1 8.2K Q21 D16
3 LA4425A 4.7
29 C157
30
5V R145 2SC2712Y 1 1SS226
16

4 18K
RCV C165
C192 C193 1 Q1 C152 C155 R100
0.1 0.1 STR. 5 SEND 0.22 R97 0.1
R95 330 820P 2.2K
2 Q2 180K
D 6 MIC.C
3 Q3
CLK 7 DSC.C
15 Q4
OE 14 TMUT
Q5 13 RMUT
Q6 12 J1
OP.RST
Q7 SQLG
11 HI/LO 1
Q8 Q20 Q18 SQLI 2
2SB1132R C189 2SB1132R IC8 SQLV 3
QS
9 0.1 TA7805F HV
4
R143 from VR-A
10 C147 HVS unit P1
QS 33 5
R90 0.01 HVS GND
R84 R85 R86 R87 O 6
47K C150 10K R88 10K I
8 47K 47K 47K VOL1
0.001 7
G VOL2 8
R91
IC7 2.2K C149
0.001
R89
2.2K HV
BU4094BCF
OEX.STD

RCV
OEX.OE

BEEP
C186 C187 C148 C181 C180 C146 C145 from
Q17 0.1 0.01 10 DC cable
DATA

0.1 0.1 0.1

Q19 100
C194 R154
GND
CK

RN1404 DSA3A1 0.1

D17
10
SEND DSA3A1

10 - 2
10-3 VR-A AND VR-B UNITS

VR-A W1
UNIT VR-B UNIT

J1
SQLI
3
SQLV
2 R1 10K
SQLG
P1 1

SQLG
1
2 SQLI
SQLV
3
HV
to MAIN unit J1 4
HVS
5
GND
6
VOL1 J2
7
VOL2 HV
8 1
GND
2
VOL2
3
VOL1 R1 10K
4
HVS
5

10 - 3
 6-9-16, Kamihigashi, Hirano-ku, Osaka 547-0002, Japan
Phone : 06 6793 5302
Fax : 06 6793 0013

< Corporate Headquarters > Communication Equipment

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 A-5480I-S
6-9-16, Kamihigashi, Hirano-ku, Osaka, 547-0002, Japan © 1998 Icom Inc.