Kenwood TK 2000
Kenwood TK 2000
TK-2000
SERVICE MANUAL
© 2010-10 PRINTED IN JAPAN
B51-8937-00 (Y) PDF
Knob(Selector) CONTENTS
(K29-9488-03)
This product complies with the RoHS directive for the European market. This product uses Lead Free solder.
TK-2000
GENERAL
INTRODUCTION PERSONAL SAFETY
SCOPE OF THIS MANUAL The following precautions are recommended for personal
This manual is intended for use by experienced techni- safety:
cians familiar with similar types of commercial grade com- • DO NOT transmit until all RF connectors are verified
munications equipment. It contains all required service secure and any open connectors are properly terminated.
information for the equipment and is current as of the pub- • SHUT OFF and DO NOT operate this equipment near
lication date. Changes which may occur after publication electrical blasting caps or in an explosive atmosphere.
are covered by either Service Bulletins or Manual Revisions. • This equipment should be serviced by a qualified techni-
These are issued as required. cian only.
2
TK-2000
SYSTEM SET-UP
Merchandise received
Delivery
REALIGNMENT
1. Modes 2. How to Enter Each Mode
Mode Operation
User mode
User mode Power ON
PC mode Received commands from PC
PC mode Data programming mode
Clone mode [PTT]+[Side]+Power ON (Two seconds)
3. PC Mode
3-1. Preface
Mode Function
The transceiver is programmed by using a personal com-
User mode For normal use. puter, a programming interface (KPG-22/22A, USB adapter
Used for communication between the trans- (KCT-53U)) and FPU (programming software).
PC mode The programming software can be used with a PC. Fig-
ceiver and PC.
ure 1 shows the setup of a PC for programming.
Data programming Used to read and write frequency data and
mode other features to and from the transceiver.
3-2. Connection Procedure
Used to check the transceiver using the PC. 1. Connect the transceiver to the personal computer with
PC test mode
This feature is included in the FPU. the interface cable and USB adapter (when the interface
Used to transfer programming data from cable is KPG-22A, the KCT-53U can be used).
Clone mode
one transceiver to another.
3
TK-2000
REALIGNMENT
Note: No. Frequency (MHz)
• You must install the KCT-53U driver in the computer to 1 152.69375
use the USB adapter (KCT-53U). 2 152.69500
• When using the USB adapter (KCT-53U) for the first time, 3 152.70000
plug the KCT-53U into a USB port on the computer with 4 152.70500
the computer power ON.
5 152.70625
6 153.59375
2. When the POWER is switched on, user mode can be
entered immediately. When the PC sends a command, 7 153.59500
the transceiver enters PC mode. 8 153.60000
When data is read from the transceiver, the red LED 9 153.60500
lights. 10 153.60625
When data is written to by the transceiver, the green LED 11 172.79375
lights. 12 172.79500
13 172.80000
Note: 14 172.80500
• The data stored in the personal computer must match 15 172.80625
Model Name and Model Type when it is written into EE-
PROM.
• Do not press the [PTT] key during data transmission or
reception. 3-6. Programming with PC
If data is transferred to the transceiver from a PC with the
FPU, the data for each set can be modified.
3-3. KPG-22/KPG-22A Description
Data can be programmed into the EEPROM in RS-232C
(PC programming interface cable: Option)
format via the SP/MIC jack.
The KPG-22/22A is required to interface the transceiver
In this mode the PTT line operate as TXD and RXD data
with the computer. It has a circuit in its D-sub connector
lines respectively.
(KPG-22: 25-pin, KPG-22A: 9-pin) case that converts the
RS-232C logic level to the TTL level.
List of FPU for transceiver
The KPG-22/22A connects the SP/MIC connector of the
transceiver to the RS-232C serial port of the computer. Model Type FPU
K KPG-137D(K)
TK-2000
3-4. KCT-53U Description (USB adapter: Option) M KPG-137D(E)
The KCT-53U is a cable which connects the KPG-22A to
a USB port on a computer.
When using the KCT-53U, install the supplied CD-ROM
(with driver software) in the computer. The KCT-53U driver
runs under Windows 2000, XP or Vista (32-bit).
Note:
• Use the FPU that matches the market when you first set
the market code and model name/frequency data to the
service unit. The unit set by mistake cannot be restored.
• Receive frequencies listed below may result in the in-
terference of reception due to the harmonics of internal
oscillators. Enter a frequency not listed in the table.
4
TK-2000
REALIGNMENT
KPG-22 or KPG-22A or
PC KPG-22A+KCT-53U
Illustration is KPG-22.
PC PC PC
D-SUB D-SUB
USB
(25-pin) (9-pin)
KCT-53U
KPG-22 KPG-22A
FPU KPG-22A
Gray +
SP
Gray/Black –
1.5D-XV Lead wire +
MIC
1.5D-XV Shield wire –
Tuning cable
(E30-3216-05)
Fig. 1
Note:
• The Model name and Market codes must be the same in
order to clone the transceiver.
5
TK-2000
DISASSEMBLY FOR REPAIR
1. Separating the Case Assembly from the 2. Removing the TX-RX unit from the
Chassis Chassis
1. Remove the two knobs (a). 1. Remove the packing (e).
2. Remove the two screws (b). 2. Remove the 13 screws (f).
3. Expand the right and left sides of the bottom of the case 3. Remove the packing (g) and two hexagon nuts (h).
assembly, Iift the chassis, and remove it from the case 4. Remove the solder from the antenna terminal using a
assembly (c). soldering iron then lift the unit off (i).
Note:
When reassembling the unit in the chassis, be sure to
b a solder the antenna terminal.
a
b i
Antenna terminal
g
c f
h
4. Taking care not to cut the speaker lead (d), open the
chassis and case assembly.
e
Note:
Solder the speaker wire back in its original position if you
have removed it.
–
3. Removing the Rear Panel
BRN
1. Raise the rear panel on the chassis (j).
d
+
GRN
6
TK-2000
CIRCUIT DESCRIPTION
1. Frequency Configuration
The receiver utilizes double conversion. The first IF is
38.85MHz and the second IF is 450kHz. The first Local os-
cillator is supplied from the PLL circuit.
The PLL circuit in the transmitter generates the neces-
sary frequencies.
CF
TX/RX: 144~174MHz 450kHz
ANT
MIC
TX RF PLL MIC
AMP AMP VCO AMP
144~174MHz
2. Receiver System
The receiver system is shown in Figure 2.
CF200
ANT
Q204 Q203 Q202 IC303 IC302
BPF RF AMP BPF 1st MIX XF200 IF AMP AFfilter VR500 AF PA SP
ANT IC200
SW IF,MIX,DET
MCF
7
TK-2000
CIRCUIT DESCRIPTION
2-3. IF Amplifier Circuit 3. Transmitter System
The first IF signal is passed through a four-pole mono-
lithic crystal filter (XF200) to remove the adjacent channel 3-1. Microphone Amplifier Circuit
signal. The signal from microphone amplified by IC301 and goes
The filtered first IF signal is amplified by the first IF ampli- through mute switch (IC300).
fier (Q202) and then applied to the lF system IC (IC200). IC304 is composed of high-pass filter, low-pass filter and
The IF system IC provides a second mixer, second local pre-emphasis/IDC circuit.
oscillator, limiting amplifier, quadrature detector and RSSI The output signal from the DAC IC (IC300) goes to the
(Received Signal Strength Indicator).The second mixer VCO modulation input.
mixes the first IF signal with the 38.4MHz of the second lo-
cal oscillator output (TCXO X1) and produces the second IF MIC IC300
signal of 450kHz. VCO
The second IF signal is passed through the ceramic filter IC301
(CF200) to remove the adjacent channel signal. The filtered BUFF DAC X1
second IF signal is amplified by the limiting amplifier and
demodulated by the quadrature detector with the ceramic LSDO TCXO
discriminator (CD201).The demodulated signal is routed to MIC
the audio circuit. AMP
LSDO
IC304
2-4. Audio Amplifier Circuit
The demodulated signal from IC200 is amplified by
IC305, IC303 and goes to AF amplifier through IC302. Fig. 3 Microphone amplifier circuit
The signal then goes through an volume control (VR500),
and is routed to an audio power amplifier (IC302) where it is 3-2. Driver and Final Amplifier Circuit
amplified and output to the speaker. The signal from the T/R switch (D100 is on) is amplified
To output sounds from the speaker, IC400 sends a high by the pre-drive amplifier (Q100) to 30mW.
signal to the SPMUT line and turns IC400 on through Q300, The output of the pre-drive amplifier is amplified by the
Q301, Q302 and Q306. drive amplifier (Q101) and the RF final amplifier (Q102) to
5.0W (1W when the power is low).
The drive amplifier and the RF final amplifier consist of
two MOS FET stages.
The output of the RF final amplifier is then passed
through the harmonic filter (LPF) and antenna switch (D101
and D102) and is applied to the antenna terminal.
ANT
CURDET
8
TK-2000
CIRCUIT DESCRIPTION
4. Frequency Synthesizer Circuit Note:
The EEPROM stores tuning data (Deviation, Squelch,
4-1. Frequency Synthesizer etc.).
The frequency synthesizer consists of the TCXO (X1), Realign the transceiver after replacing the EEPROM.
VCO, PLL IC (IC1) and buffer amplifiers.
The TCXO generates 19.2MHz. The frequency stability is
5.0 ppm within the temperature range of –30 to +60°C.
The frequency tuning and modulation of the TCXO are
6. Signaling Circuit
done to apply a voltage to pin 1 of the TCXO. The output of 6-1. Encode
the TCXO is applied to pin 1 of the PLL IC. ■ Low-speed data (QT, DQT)
The VCO consists of 1VCO and covers a dual range of Low-speed data is output from pin 49 (LSDO) of the MCU
the 144.00~174.00MHz and the 182.85~212.85MHz. The (IC400). The signal passes through a low-pass CR filter. The
VCO generates 182.85~212.85MHz for providing to the first signal is mixed with the audio signal and goes to the VCO
local signal in receive. and TCXO (X1) modulation input after signal processing in
The PLL IC consists of a prescaler, reference divider, the DAC IC (IC300).
phase comparator, charge pump (The frequency step of the
PLL circuit is 5 or 6.25 kHz). ■ High-speed data (DTMF)
PLL data is output from DATA (pin 19), CLOCK (pin 18) High-speed data (HSD) is output from pin 50 (HSDO) of
and PLDL (pin 20) of the MCU (IC400). The data are input to the MCU.
the PLL IC when the channel is changed or when transmis- The signal passes through a low-pass CR filter. TX devia-
sion is changed to reception and vice versa. A PLL lock con- tion making an adjustment by MCU is applied to the DAC IC
dition is always monitored by the pin 22 (PLUL) of the MCU. (IC300). The signal is mixed with the audio signal and goes
When the PLL is unlocked, the PLUL goes low. to the VCO and TCXO.
50 18 19
HSDO VCO
Fig. 5 PLL block diagram MOD
12
BEEP AF
AMP
5. Control Circuit
The control consists of the MCU (IC400) and its peripher-
Fig. 6 Encode
al circuits. It controls the TX-RX unit. IC400 mainly performs
the following;
1) Switching between transmission and reception by PTT
signal input. 7. Power Supply
2) Reading channel information, frequency, and program There are five 5V power supplies for the MCU:
data from the memory circuit. 5M is always output while the power is on.
3) Sending frequency program data to the PLL. 5C is a common 5V and is output when SAVE is not set
4) Controlling squelch on/off via the DC voltage from the to ON.
squelch circuit. 5R is 5V for reception and output during reception.
5) Controlling the audio mute circuit via the decode data 5T is 5V for transmission and output during transmission.
input. 5MS is 5V for the SP/MIC connector and the DAC IC
6) Transmitting tone and encode data. (IC300)
9
TK-2000
SEMICONDUCTOR DATA
MCU:F2136ACNKDRB (TX-RX unit: IC400) Pin No. Signal Name I/O Function
Pin No. Signal Name I/O Function 45 NC O NC
1 NC O NC 46 NC O NC
2 VREF - Reference voltage input 47 VOXIN I VOX level input
3 MODE I Mode select for MCU 48 CVDET I VCO voltage detection
4 NC O NC 49 LSDO O Low speed data output
5 NC O NC 50 HSDO O DTMF/beep output
6 RESET I Reset signal input 51 BATT I Battery voltage input
7 XOUT O Oscillation circuit 52 RSSI I RSSI input
13 NC O NC 58 5VC O 5V control
14 NC O NC 59 NC O NC
10
TK-2000
COMPONENTS DESCRIPTION
TX-RX unit (X57-8093-00) Ref. No. Part Name Description
Ref. No. Part Name Description Variable capaci-
D2 Frequency control/ VCO
IC1 IC PLL System tance diode
11
TK-2000
PARTS LIST
✽ New Parts. indicates safety critical components. L : Scandinavia K : USA P : Canada
Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) T : England E : Europe
Les articles non mentionnes dans le Parts No. ne sont pas fournis. C : China X : Australia M : Other Areas
Teile ohne Parts No. werden nicht geliefert.
TK-2000
TX-RX UNIT (X57-8093-00)
New
Ref. No. Address parts Parts No. Description Desti- New
Ref. No. Address parts Parts No. Description Desti-
nation nation
12
TK-2000
PARTS LIST
TX-RX UNIT (X57-8093-00)
13
TK-2000
PARTS LIST
TX-RX UNIT (X57-8093-00)
New
Ref. No. Address parts Parts No. Description Desti- Ref. No. New
Address parts Parts No. Description Desti-
nation nation
C403 CC73HCH1H010B CHIP C 1.0PF B X1 ✽ L77-3074-05 TCXO (19.2 MHZ/8)
C404 CK73HB1A104K CHIP C 0.10UF K X400 L77-2974-05 CRYSTAL RESONATOR(11.0592MHZ)
C405 CK73HB1H102K CHIP C 1000PF K XF200 ✽ L71-0669-05 MCF(38.85MHZ)
C406 CC73HCH1H120J CHIP C 12PF J
C407 CK73HB1H102K CHIP C 1000PF K R1 RK73HB1J105J CHIP R 1.0M J 1/16W
R2 RK73HB1J103J CHIP R 10K J 1/16W
C408 CK73HB1C103K CHIP C 0.010UF K R3 RK73HB1J222J CHIP R 2.2K J 1/16W
C409 CK73HB1H102K CHIP C 1000PF K R5 RK73HB1J821J CHIP R 820 J 1/16W
C411-415 CK73HB1H102K CHIP C 1000PF K R9 RK73HB1J103J CHIP R 10K J 1/16W
C500 CC73HCH1H101J CHIP C 100PF J
C501,502 CK73HB1H102K CHIP C 1000PF K R11 RK73HB1J272J CHIP R 2.7K J 1/16W
R12 RK73HB1J104J CHIP R 100K J 1/16W
C503 CK73FB1A475K CHIP C 4.7UF K R13 RK73HB1J102J CHIP R 1.0K J 1/16W
C504 CK73HB1H102K CHIP C 1000PF K R14 RK73HB1J103J CHIP R 10K J 1/16W
C505 CK73GB1E105K CHIP C 1.0UF K R15 RK73HB1J104J CHIP R 100K J 1/16W
C506 CK73HB1H102K CHIP C 1000PF K
C507 CK73FB1A106K CHIP C 10UF K R16 -22 RK73HB1J103J CHIP R 10K J 1/16W
R23 RK73HB1J104J CHIP R 100K J 1/16W
C511 CK73HB1H102K CHIP C 1000PF K R25 RK73HB1J100J CHIP R 10 J 1/16W
C513,514 CK73GB1E105K CHIP C 1.0UF K R26 RK73HB1J392J CHIP R 3.9K J 1/16W
C515,516 CK73HB1H102K CHIP C 1000PF K R27 RK73HB1J271J CHIP R 270 J 1/16W
C517 CK73FB1A475K CHIP C 4.7UF K
C522-524 CK73HB1H102K CHIP C 1000PF K R28 RK73HB1J560J CHIP R 56 J 1/16W
R29 RK73HB1J472J CHIP R 4.7K J 1/16W
J300 2B E11-0484-05 3.5D PHONE JACK(3.5D/MIC) R30 RK73HB1J470J CHIP R 47 J 1/16W
J301 2B ✽ E11-0717-05 2.5D PHONE JACK(2.5D/SP) R32 RK73HB1J102J CHIP R 1.0K J 1/16W
R33 RK73HB1J473J CHIP R 47K J 1/16W
F101 F53-0287-05 FUSE(0.5A)
F300 ✽ F53-0467-05 FUSE(0.315A) R34 RK73HB1J100J CHIP R 10 J 1/16W
F500 F53-0372-05 FUSE(3.15A) R37 RK73HB1J562J CHIP R 5.6K J 1/16W
R38 RK73HB1J332J CHIP R 3.3K J 1/16W
101 2A J30-1308-04 SPACER(MIC300) R39 RK73HB1J331J CHIP R 330 J 1/16W
R40 RK73HB1J332J CHIP R 3.3K J 1/16W
CF200 2A ✽ L72-1046-05 CERAMIC FILTER(450KHZ)
R41 RK73HB1J100J CHIP R 10 J 1/16W
CD200 2A L79-1914-05 CERAMIC DISCRIMINATOR R42 RK73HB1J332J CHIP R 3.3K J 1/16W
R43 RK73HB1J103J CHIP R 10K J 1/16W
L1 ,2 L40-1001-86 SMALL FIXED INDUCTOR(10UH) R45 RK73HB1J000J CHIP R 0 J 1/16W
L3 L41-1878-14 SMALL FIXED INDUCTOR(18NH) R50 RK73HB1J104J CHIP R 100K J 1/16W
L4 L41-1278-14 SMALL FIXED INDUCTOR(12NH)
L5 ,6 L40-1001-86 SMALL FIXED INDUCTOR(10UH) R51 RK73HB1J333J CHIP R 33K J 1/16W
L7 L40-1285-71 SMALL FIXED INDUCTOR(120NH) R52 RK73HB1J102J CHIP R 1.0K J 1/16W
R100 RK73HB1J472J CHIP R 4.7K J 1/16W
L8 L40-2775-71 SMALL FIXED INDUCTOR(27NH) R101 RK73HB1J102J CHIP R 1.0K J 1/16W
L9 L40-8275-71 SMALL FIXED INDUCTOR(82NH) R102 RK73HB1J222J CHIP R 2.2K J 1/16W
L11 L40-1001-86 SMALL FIXED INDUCTOR(10UH)
L100 L40-6875-71 SMALL FIXED INDUCTOR(68NH) R103 RK73HB1J180J CHIP R 18 J 1/16W
L101 L40-1085-71 SMALL FIXED INDUCTOR(100NH) R104 RK73HB1J331J CHIP R 330 J 1/16W
R105 RK73HB1J180J CHIP R 18 J 1/16W
L102 L40-3375-71 SMALL FIXED INDUCTOR(33NH) R106 RK73HB1J104J CHIP R 100K J 1/16W
L103 ✽ L41-8275-53 SMALL FIXED INDUCTOR(82NH) R107 RK73HB1J100J CHIP R 10 J 1/16W
L104 L34-4577-05 AIR-CORE COIL
L105 ✽ L34-4571-05 AIR-CORE COIL R108 RK73HB1J823J CHIP R 82K J 1/16W
L106,107 L34-4573-05 AIR-CORE COIL R109 RK73HB1J470J CHIP R 47 J 1/16W
R111 RK73HB1J683J CHIP R 68K J 1/16W
L108 L34-4574-05 AIR-CORE COIL R112 RK73HB1J470J CHIP R 47 J 1/16W
L109 ✽ L41-2295-52 SMALL FIXED INDUCTOR(2.2UH) R113 RK73HB1J563J CHIP R 56K J 1/16W
L110-112 L34-4577-05 AIR-CORE COIL
L203 L40-2775-71 SMALL FIXED INDUCTOR(27NH) R114 RK73GB2A000J CHIP R 0 J 1/10W
L204 L41-8285-14 SMALL FIXED INDUCTOR(820NH) R115 RK73FB2B000J CHIP R 0 J 1/8W
R116 RK73HB1J393J CHIP R 39K J 1/16W
L205 L40-2275-71 SMALL FIXED INDUCTOR(22NH) R117 RK73HB1J271J CHIP R 270 J 1/16W
L206 L40-1285-71 SMALL FIXED INDUCTOR(120NH) R119 RK73HB1J271J CHIP R 270 J 1/16W
L207,208 L41-8278-14 SMALL FIXED INDUCTOR(82NH)
L209 L41-6878-14 SMALL FIXED INDUCTOR(68NH) R120 RK73HB1J331J CHIP R 330 J 1/16W
L210 L41-1878-14 SMALL FIXED INDUCTOR(18NH) R121-123 RK73EB2ER39K CHIP R 0.39 K 1/4W
R136 RK73HB1J182J CHIP R 1.8K J 1/16W
L211 L40-5681-86 SMALL FIXED INDUCTOR(0.56UH) R139 RK73GB2A000J CHIP R 0 J 1/10W
L212 L40-8281-86 SMALL FIXED INDUCTOR(0.82UH) R155 RK73HB1J150J CHIP R 15 J 1/16W
L213 L40-5681-86 SMALL FIXED INDUCTOR(0.56UH)
R200 RK73HB1J103J CHIP R 10K J 1/16W
14 If a part reference number is listed in a shaded box, that part does not come with the PCB.
TK-2000
PARTS LIST
TX-RX UNIT (X57-8093-00)
R206 RK73HB1J224J CHIP R 220K J 1/16W R347 RK73HB1J103J CHIP R 10K J 1/16W
R207 RK73HB1J562J CHIP R 5.6K J 1/16W R348 RK73HB1J563J CHIP R 56K J 1/16W
R208 RK73HB1J101J CHIP R 100 J 1/16W R350 RK73HB1J471J CHIP R 470 J 1/16W
R209 RK73HB1J470J CHIP R 47 J 1/16W R351 RK73HB1J181J CHIP R 180 J 1/16W
R210 RK73HB1J334J CHIP R 330K J 1/16W R352 RK73HB1J104J CHIP R 100K J 1/16W
R212 RK73HB1J184J CHIP R 180K J 1/16W R353 RK73HB1J102J CHIP R 1.0K J 1/16W
R213 RK73HB1J102J CHIP R 1.0K J 1/16W R354 RK73HB1J334J CHIP R 330K J 1/16W
R214 RK73HB1J681J CHIP R 680 J 1/16W R355 RK73HB1J473J CHIP R 47K J 1/16W
R215 RK73HB1J331J CHIP R 330 J 1/16W R356 RK73HB1J183J CHIP R 18K J 1/16W
R216 RK73HB1J470J CHIP R 47 J 1/16W R357 RK73HB1J564J CHIP R 560K J 1/16W
R229 RK73HB1J152J CHIP R 1.5K J 1/16W R371 RK73HB1J822J CHIP R 8.2K J 1/16W
R230 RK73HB1J820J CHIP R 82 J 1/16W R372 RK73HH1J473D CHIP R 47K D 1/16W
R231 RK73HB1J821J CHIP R 820 J 1/16W R373 RK73HB1J000J CHIP R 0 J 1/16W
R232,233 RK73HB1J104J CHIP R 100K J 1/16W R374 RK73HH1J473D CHIP R 47K D 1/16W
R234 RK73HB1J184J CHIP R 180K J 1/16W R375 RK73HB1J103J CHIP R 10K J 1/16W
R236 RK73HB1J105J CHIP R 1.0M J 1/16W R376 RK73HH1J473D CHIP R 47K D 1/16W
R257 RK73HB1J560J CHIP R 56 J 1/16W R377 RK73HB1J393J CHIP R 39K J 1/16W
R260 RK73HB1J273J CHIP R 27K J 1/16W R378 RK73HB1J102J CHIP R 1.0K J 1/16W
R264 RK73HB1J394J CHIP R 390K J 1/16W R379 RK73HB1J104J CHIP R 100K J 1/16W
R267 RK73HB1J000J CHIP R 0 J 1/16W R386 RK73HB1J392J CHIP R 3.9K J 1/16W
R305-308 RK73HB1J102J CHIP R 1.0K J 1/16W R401 RK73HB1J102J CHIP R 1.0K J 1/16W
R309 RK73HB1J182J CHIP R 1.8K J 1/16W R406 RK73HB1J101J CHIP R 100 J 1/16W
R310,311 RK73HB1J102J CHIP R 1.0K J 1/16W R407 RK73HB1J473J CHIP R 47K J 1/16W
R312 RK73HB1J222J CHIP R 2.2K J 1/16W R408 RK73HB1J101J CHIP R 100 J 1/16W
R313-315 RK73HB1J103J CHIP R 10K J 1/16W R409,410 RK73GB2A221J CHIP R 220 J 1/10W
R323 RK73HB1J562J CHIP R 5.6K J 1/16W R502 RK73HB1J334J CHIP R 330K J 1/16W
R324,325 RK73HH1J473D CHIP R 47K D 1/16W R505 RK73HB1J473J CHIP R 47K J 1/16W
R326 RK73HB1J000J CHIP R 0 J 1/16W R508 RK73HB1J473J CHIP R 47K J 1/16W
R327 RK73HB1J824J CHIP R 820K J 1/16W R509 RK73HB1J104J CHIP R 100K J 1/16W
R328 RK73HB1J684J CHIP R 680K J 1/16W R511 RK73HB1J334J CHIP R 330K J 1/16W
If a part reference number is listed in a shaded box, that part does not come with the PCB. 15
TK-2000
PARTS LIST
TX-RX UNIT (X57-8093-00)
New
Ref. No. Address parts Parts No. Description Desti- Ref. No. New
Address parts Parts No. Description Desti-
nation nation
MIC300 2A ✽ T91-0674-05 MIC ELEMENT
D1 ✽ DA2S101 DIODE
D2 ,3 1SV325F VARIABLE CAPACITANCE DIODE
D4 HSC277 DIODE
D5 ,6 HVC350B VARIABLE CAPACITANCE DIODE
D7 ✽ DA2S101 DIODE
Q1 ,2 RT1N141U-T111 TRANSISTOR
Q3 2SC5383-T111 TRANSISTOR
Q4 MCH3914(7)-H FET
Q5 2SC5108(Y)F TRANSISTOR
Q6 2SC5636 TRANSISTOR
Q7 2SC5383-T111 TRANSISTOR
Q100 2SC4926YD TRANSISTOR
Q101 RFM01U7P FET
Q102 RD07MUS2BT112 FET
Q103 RT1N141U-T111 TRANSISTOR
16 If a part reference number is listed in a shaded box, that part does not come with the PCB.
TK-2000
EXPLODED VIEW
A B
23
24
25 22
1
1
28
20
9 18
8
Cx13
S400
J301
J300
2
MIC300
VR500
101 CF200
S402
CD200 10
14
TX-RX unit 7
16
Ax2
19
3
15
Bx2 3
701
700 12 A : N09-2438-05
B : N30-2606-48
26
C : N83-2005-48
Parts with the exploded numbers larger than 700 are not supplied.
17
If a part reference number is listed in a box on the exploded view of the PCB, that part does not come with the PCB.
These parts must be ordered separately.
TK-2000
ADJUSTMENT
Test Equipment Required for Alignment
Test Equipment Major Specifications
Frequency Range 136 to 174MHz
1. Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation
Output –127dBm/0.1µV to greater than –47dBm/1mV
Input Impedance 50Ω
2. RF Power Meter Operation Frequency 136 to 174MHz
Measurement Range Vicinity of 10W
3. Deviation Meter Frequency Range 136 to 174MHz
Measuring Range 10mV to 10V DC
4. Digital Volt Meter (DVM)
Input Impedance High input impedance for minimum circuit loading
5. Oscilloscope DC through 30MHz
6. High Sensitivity Frequency Range 10Hz to 1000MHz
Frequency Counter Frequency Stability 0.2ppm or less
7. DC Ammeter 5A
Frequency Range 50Hz to 10kHz
8. AF Volt Meter (AF VTVM)
Voltage Range 1mV to 10V
Frequency Range 50Hz to 5kHz or more
9. Audio Generator (AG)
Output 0 to 1V
Capability 3% or less at 1kHz
10. Distortion Meter
Input Level 50mV to 10Vrms
11. Spectrum Analyzer Measuring Range DC to 1GHz or more
Center frequency 50kHz to 600MHz
12. Tracking Generator
Output Voltage 100mV or more
13. 8Ω Dummy Load Approx. 8Ω, 3W
5V to 10V, approx. 3A
14. Regulated Power Supply
Useful if ammeter equipped
BATT+ (7.5V)
– +
BATT– (GND)
18
TK-2000
ADJUSTMENT
Frequency and Signaling Preparations for Tuning the Transceiver
The transceiver has been adjusted for the frequencies Before attempting to tune the transceiver, connect the
shown in the following table. When required, re-adjust them unit to a suitable power supply.
following the adjustment procedure to obtain the frequencies Whenever the transmitter is tuned, the unit must be con-
you want in actual operation. nected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
■ Test Frequency (MHz) 8Ω dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
CH RX Frequency TX Frequency
times during tuning.
1 159.05000 159.10000
2 144.05000 144.10000 ■ Adjustment frequency (MHz)
3 173.95000 173.90000 Tuning point RX TX
4 159.00000 159.00000 Low 144.05000 144.10000
5 159.20000 159.20000 Center 155.05000 155.10000
6 159.40000 159.40000 High 173.95000 173.90000
7~16 - -
■ Signaling
No. RX (Decode) TX (Encode) Adjustment Points
1 None None TX-RX UNIT
Component side view
2 None 100Hz Square Wave
3 QT 67.0Hz QT 67.0Hz
4 QT 151.4Hz QT 151.4Hz CV ‒+
MIC300 ANT
5 QT 210.7Hz QT 210.7Hz CV: VCO Lock Voltage
6 QT 254.1Hz QT 254.1Hz
7 DQT D023N DQT D023N BATT+
S401
S400 Side KEY
PTT
J301
SP
J300
MIC
19
TK-2000
ADJUSTMENT
Common Section
Measurement Adjustment
Item Condition Test- Specifications / Remarks
Unit Terminal Unit Parts Method
equipment
1. Setting 1) BATT terminal voltage: 7.5V
2) SSG standard modulation
[Wide]
MOD: 1kHz, DEV: 3kHz
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. VCO Lock 1) Adj item: High Power TX-RX ANT FPU 4.0V ±0.1V
Voltage meter
(CV)
Transmitter Section
Measurement Adjustment
Item Condition Test- Specifications / Remarks
Unit Terminal Unit Parts Method
equipment
1. Frequency 1) Adj item: High f. counter TX-RX ANT FPU 173.900MHz ±50Hz
Press [Transmit] button.
2. High 1) Adj item: Low, Center, High Power FPU 4.8W ±0.1W
Transmit (3 points) meter 2.0A or less
Power and BATT terminal voltage: 7.5V Ammeter
Protective Press [Transmit] button.
Current
3. Low 1) Adj item: Low, Center, High 1.0W ±0.1W
Transmit (3 points) 1.0A or less
Power BATT terminal voltage: 7.5V
Press [Transmit] button.
4. DQT 1) Adj item: Low, Center, High Power TX-RX ANT FPU Make the modulation
Balance (3 points) meter wave into square
[Wide] (Signaling Square Wave) waves.
Deviation meter filter Deviation SP/MIC
LPF: 3kHz meter connector
HPF: OFF Oscilloscope
Press [Transmit] button. AG
AF VTVM
5. Maximum 1) Adj item: Center, Low, High 4.0kHz ±100Hz
Deviation (3 points) (According to
[Wide] AG: 1kHz/150mV the lager +, –)
Deviation meter filter
LPF: 15kHz
HPF: OFF
Press [Transmit] button.
6. Battery 1) BATT terminal voltage: 5.9V DVM TX-RX BATT FPU Write BATT terminal voltage: 5.9V
Warning terminal
Level
7. Battery 1) BATT terminal voltage: 5.7V Power ANT Check LED blinks
Detection PTT: ON meter No transmit power
Check
(User mode) 2) BATT terminal voltage: 7.5V DVM BATT LED does not blink
PTT: ON terminal
20
TK-2000
ADJUSTMENT
Receiver Section
Measurement Adjustment
Item Condition Test- Specifications / Remarks
Unit Terminal Unit Parts Method
equipment
1. Sensitivity 1) Adj item: Low, High (2 points) SSG TX-RX ANT Check 12dB SINAD or more
Check SSG output: –115dBm DVM SP/MIC
[Narrow] (0.4μV) Oscilloscope connector
SSG DEV: 1.5kHz AF VTVM
21
A B C D E F G H I J K
1 TK-2000 PC BOARD
2 TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09)
C322
Q304
R367
R392
C333
C332
3 C523 C329
R360 C345
C342
R355 C336
R393 C134 –
1 8
R347
C340 R356
R357 R358
IC304
CN3
CV
C139
4 5 MIC30
C330
C353
R334
R344
C517
C321 C323
C355
R332
R386
C326 R136
D301
4
R120
C316
R340
1 8 R329
IC301
C319 Q103
C158
R328
R377 R325
C313
C354 C317
4 5
R324
R327
C124
CN404
R389 C145
C360
5 R116
C309
R18 C6
CN202
CN403
R400
R121
R122
R52
R314 18 13
CN402
R313 19 12
C311
Q502
C516
R316 IC300
C350 R315
R370
CN401
R322
R372 24 7 C310
R323
D
CN508
1 6
6 C524 D402
R305
R306
R307
R455
R374
C352
R376
R373
R375
C349
Q305
R388
R371
Q400
7 64 49
R414
R413
C400 R401
CN2
48
C401
C403
X400
CN1
IC400
CF200
C406
8 C407
CN201
C408
CN200
1 8
IC401
R411
4 5
J79-0305-09
10
22
14
J K L M N O P Q R S
PC BOARD TK-2000 1
CN506
C411
Q501
D
3
R407
CN507
G
S
C507
C514
C506
C409
R406
– + R509
CN504
C515 1 5
9
MIC300 C502 IC503
IC500 Q301
C503
5
4
1 4 ANT
IC501
3 4
C306
2 3 C312 4
Q300
R321
1
3
R508 C513 C308
C505 R502
C522
C158
R317
C504
C511
CN510
Q306
D
D501
R330
R505 R511
S
C124
C145
S
D 5
G
R121
R122
R123
CN511
Q500
Q302
G
S
C315
D
2 C159
CN505
C314 R326
R315 F500
BATT+
CN500
R318
CN503
CN502
7 C310
R323
D500
6
10
6
C501
IC302
Q305
5
CN501
BATT–
R371
Q303
D D
D D
S G
SP–
C324
(BRN) C320
C414 C412 7
R342
C346
R350
CN2
F300
R336 R308
R335
C318
SP+
(GRN)
R345
4
R312
IC303
CF200
D401
D400
R311
5
R378 R304 8
C358
C303
R379
R310
R348
R351
CN200
C500
R337 R302
CN303
C335
CN302
R301
R309
C301
C337
CN300 CN301
C304
R303
C305
CD200
9
10
Component side
Layer 1
Layer 2 11
Layer 3
Layer 4
Foil side
12
13
23
14
A B C D E F G H I J K
1 TK-2000 PC BOARD
S401
S400 Side
R300
PTT
3 C300
C121
R119
R117
C129
C125
C123
C128
C126
C138 C136 C132
L109
L108
L107
C122
L106
L105
4 C135
C127 D Q102
C137
L112
D101
D102
L104
C131
L111 R139
C146
L110 C250
C130
L210
L209
D103 C119
TH100
R115
C116
C120
C249
5
C117
D203
R236
C248
C413 C415
Q204
C242
C240 R226
C238
G S
L208
C247
C243
R230
R229
6 G D
R227
D202
R228
R232
R233
C246
R264
C245
R231
C302 + R234 C244 C256 C239
S402
C206
7
C207 R203
C210
C201
C328 R390 R353
C357
R364
C343
R206
R363
C334
C341
Q401
R202
R365
R361
C208
8
5
R260
8
IC305
IC
4
Q402
C212
8
9
C203
C204
C338
R369
C347
R354
R352
J300
MIC R366 R204
C339 C344 R207 C209
J301 R205
VR500 SP
C202
C205
Q200
9
10
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1 8P Q7 9P Q401 7C D100 5N
11 IC200 8K Q100 4M Q402 8C D101 4F
IC305 8I Q101 5L D1 4P D102 4F
Q1 7P Q102 4K D2 4O D103 5G
Q2 4O Q200 9J D3 4O D200 6O
Q3 5O Q201 9N D4 4N D201 6K
12
Q4 5P Q202 8L D5 4O D202 6J
Q5 5P Q203 6M D6 4O D203 5I
Q6 6O Q204 6I D7 5O
13
24
14
J K L M N O P Q R S
PC BOARD TK-2000 1
C300 3
C43
C104 L101
R23
C9 L3
R12
R106 C107
R105
C113 L11 C13
R108 C152 C105
R104
C7
R113
R111 R112
C110 C108
D3
L1
L2
R22
D4
C114 R102
R107
C109
C106
L102
L4
C12
D5 D1
R101 R155
C2
C17
4
D2
C
E
D6
Q100
D Q102 G R114 C112 C44 C8 L5 R1
B
E R11
L104
R109
Q2 C53
L103
R13
C102 C21
C103
R103
G
D
S Q101
C22
L100
C101
C119
C111
S Q4
TH100
C28
C20
C100 C11
R30
G
R15
C18
R115
F101
C116
R100 D
L6
C120 + C25
R42 C19 R27 5
C29
C117
C24
R29
D100 Q5
Q3
D7
Q203
R33
G S R45
R217 R41 C41
D200
C42
Q204 C237 C232
R223
G D R40 R39
C32 L7
C242
C240 R226
C238
R32
G S R225
L208
C228
C247
L9 C40
C234 L206
L204 C36
C243
R230
R229
L205 L8
G D
C235 C231
Q6 R38 6
R227
R224
R200
C226
C230
C225
D201
D202
C37
C35
R233
C246
R264
C245
R231
C236
R222
C206
7
C207 R203
C210
C201
R9
R202
R201
R365
R43
C1
R2
C223
C224
R361
C208
R260 R214
8
XF200 R19
R26
R209
R3
9
IC200 Q202 R21
C212
R17
8
L212
+ C5
C34
16
R34
C31 R16
7 R212
C257
C216
R204
C26
6 R257
1
R28
R207 C209
C23
C211
C213
R205 C27
R210 R208
X1
Q201
C214
C217
C215
R213
L213
C202
C205
C15
L211
Q200 C220
9
R51
R50
C38
Q7
J79-0305-09
10
Component side
Layer 1
Layer 2 11
Layer 3
Layer 4
Foil side
12
13
25
14
A B C D E F G H IK J K L M N
7 p (B)
6 p (B)
C121
C136
C138
C128
C125
C122
C123
C132
47p
33p
27p
27p
12p
12p
PRI DRIVE 0
L104
DRIVE
9T
R112
L109
R102
2.2u
Hi:1.67V
47
R: 0V C112
R:1.03V 2.2k Q101 Lo:1.37V
T:1.14V
T:1.69V 2SC4926YD RFM01U7P 56p
C108 L102
D101,102,103
R109
RF AMP Q100
47
L103
1000p 33n
82n
C 42 D100 C100 ANT SW R: 0V
R107
C102 R155
R117
R119
1000p
C129
RF BUFFER T:0.8V
270
270
10
R104
330
100n
9 p (B)
L101
0.75V
C106
C109
12p 1000p 15
1000p
15p
C114
C116
R111
15p
R113
1000p
C119
R115
HSC277
0.01u
56k
68k
VCO 1.82V R: 0V
0
5.6k
R:0V
R37
D2,3,4,6 Hi:1.49V
R33 T:4.27V
T:0.57V
HSC277
FREQUENCY TX/RX SW Lo:1.22V L110 R139
R100
R101
L100
3.3k
R42
MCH3914(7)-H
68n
4.7k
D200
0.01u
3.3k
C111
R40
1k
82n
D3 47k 2SC5636 Temp compensation
L9
CN3 CONTROL 9T 0
C110
Q4
1000p
R108
C152
L1 F101
R106
C33 Q6
82k
0.1u
100k
1SV325F C7 2SC5108(Y)F C39
RN142S
C29 Q5
D103
C 1 30
1000p
C146
C104
22p
R103
18p
R105
10u
1000p
Hi:3.71V
C103
5 6 p (G)
18
47p 1 2 p (J) 1stLO F53-0287-05
18
Lo:3.04V
0.18u
18n
0.5p
TH100
9 p (B)
L3
R116
100k
C2
1000p
C120
1000p
C21
(B)
39k
C117
2.2u
120n
C124
L7
1000p
R45
-t
0 . 5 p (B)
C113
1000p
1000p
0
C12
R200
15p
C41
C17
3.3k
C40
C9
R 39
330
R41
R 38
L11 R: 0V
10k
2
10
T:4.86V
10u
1SV325F
0.1u L5 C36
10u
D2
R27
L2
270
9 p (B)
10u 9 p (B) THDET
0.01u
C22
R32
R30
C25
0.1u
47
1k
R: 0V
R22 10k
C44
HVC350B
HVC350B
HSC277
(B)
1000p
4.17V L8 5T
C32
T:4.86V 5T 5T
1000p
C43
C53
1000p
12n
1000p
C101
D6
C107
D4
L4
C105
10u
27n R:4.93V
L6
1u
1000p
3p
1000p
C28
T: 0V
C30
D5
1000p
C134
C139
4.7u
C35
15p
C37
15p
R120
330
CURDET CURDET
D5
C6 R18 MODULATOR 2SC5383-T111
1000p
R23 R136
C145
MOD 5C POWC POWC
R121
1stLO 1stLO
R122
R123
0.39
0.39
DA2S101
0.39
Q2 5.0V
1000p
1000p
R29
VDCSW
C24
C59 R52
4.7k
D7
100k
C19
1k
R12
RT1N141U-T111 2ndLO
0.033u 1k
1000p
1u 6.3
1000p
100k
2.7k
R15
R11
1000p
C8
C18
C158
SHIFT
CF200 R:5.0V
C13
1000p
C159
R13
L72-1046-05 T: 0V
C11
( 4 5 0 k H z) C232
1u
L203 L205
10u 16
RIPPLE FILTER V.D.C SW
C20
TX/RX SW 27n 22n
C212
2p
C208
0.1u
0.1u
7.5V
C234
100p
POWC
R:4.76V C228
+B
T: 0V +B
5R
5C
5T
R3
T/RSHF
DOUBLER
10p
3
1000p
C225
L206
C201
120n
C230
CN1 CN2 2nd-LO (38.4MHz) R210
5p
5p
2.2k C 2 06 R:0.62V
820
R5
CVDET 220p
C210
220k
R206
0.1u
22p
0.01u 5p
0.15u
C5
3.9k
C1
Q201
6.8u 10
560n
L213
C215
560n
L211
C219
22p
C 2 07
C4
R213 R:2.7V
PLL SYSTEM CN202
VOLTAGE 5.0V 220p 1k T: 0V
R25
R203
R202
1
10
33k
KTC4080E-P
R222
100k
REGULATOR/3V
3.9k
1st IF (38.85MHz)
oSCoUT
FILoUT
MIXoUT
DEC
oSCIN
FILIN
IFIN
C23
V+
R218
2ndLO R:2.43V R:3.15V
9 CLoCK XF200
NJM2591V
FIN
1k
8 R260 L71-0669-05 MIXER T: 0V T: 0V
1000p
C16
R208
1000p
C220
100
10 D A T A FM IF SYSTEM C224 R217
R214
IC200
XFIN R215 RF AMP
R28
NoISEREC
27k
56
NoISEDET
R51
R:0.73V
33k
7 Q203 R:3.89V
11 LE 1000p Q7 0
AFoUT
330
C203
T: 0V
QUAD
IFoUT
MIXIN
680 0.01u 3SK318
330p
T: 0V
RSSI
GND IF AMP
GND
6 3.0V R225 C237 C240 R230 C247
C231
R219
R43
820n
L204
Q204
22p
3.3k
12 PS Do C216 R212 82 3SK318
16
9
10k 5 1000p 1p (B) 82 47p
2 7 p (J)
C328
10k
R204 270
C242
13 ZC R390 R353 R365 R361
27p
R2
H V C 3 5 0 B 2 7 p (J)
C238
C223
C 2 4 3 (J)
L209
L208
VCC 180k
R229
100k
0.01u
1.5k
68n
C257
82n
R50
R224
6p
82k
C249
4
(B)
2SC5383-T111 1k 0 560 C209 0.01u
14 LD/FoUT 0 R205
1 p (B)
0.022u
0.39u
0.033u
0.01u
R221
820n
C204
VP
L212
C250
R223
0.01u
3300p
R257
C341
Q202
C213
C14
C211
0.1u
82k
L207
C15
82k
1000p
1000p
82n
HVC350B
56
R220
C235
6.8k
C226
R9
10k
22p
C222
15 P
0.18u
330
C221
R216
HVC350B
C334
oSCoUT
8p
47p
D202
47
2 C27
1000p
C246
R234
R236
R264
R227
R232
180k
R226
R233
390k
100k
D201
100k
D203
16 R CD200
1M
0.01u
1M
1M
oSCIN
L210
R228
1000p
5M
18n
1
4
1000p
DC SW
R231
C244
22p KTC4080E-P
47
C245
820
RSSI
SQL
R207
C205 0.1u
R267
RT1P237U-T111
5.6k
L79-1914-05
0.01u
R201
Q1
R209
C218
0
R19 I C 1 MB15E03SL-E1
R34
47
47
0.01u
C202
C200
1000p
10
10u
C236
1000p
C248
0.01u
C227
1000p
10k
C239
CN200 CN201 R:4.93V
Q200
R20 T: 0V
TCXO W/N SW D201,202
10k BPF TUNING
1000p
0.01u
+B +B BPF
R21
C34
BPF TUNING
C31
RT1N141U-T111 X1 5R 5R
5R 5R
10k
T0 5MS 5MS 5MS
VCoNT VCC
10k
10k
10k
5M 5M
R:4.93V
1000p
C26
CLOCK
T: 0V
1000p
C256
DATA
PLDL
PLUL
LSDI
PLPS
VDCSW
CVDET
THDET
WID/NAR 5M
RSSI
SQL
5M
5R
5M
5MS
5T
5C
5MS
PLDL PLDL
1M
DA2S101
PLPS PLPS
DACLD DACLD DACLD
LSDO
T/RSHF
WID: 0V
NAR:5.0V
8.2k
R371
CURDET
VOXIN
5MS
B30-1782-05
5R
5C
+B
5T
LSDI
W/N SW
R409
D400
WID/NAR 220
MOD R316 C311
0 1u INT
R313
R314
R322 Q305
10k
10k
23
22
21
20
19
R373 LSDO
0.1u
4 7 k (D)
LSD BUFFER
C358
5MSC
R324
0.1u
B30-1779-05
1 10k
C339
VIN1
VIN8
0 RXD
VoUT2
VoUT1
VoUT8
VoUT7
C357
AoUT
0.1u
V+
1 IC301 8 470 330k 5TC
2 R410
C338
1
330p
VIN7 TXD
0.047u
VIN2 NJM12904RB1
C349
18 BoUT A-IN GREEN LED
C316
R388
8 V+ RED LED
8.2k
2 7 C346 C324 5CC 220
0.1u
D401
4 7 k (D)
1 8 6 B-IN + -
R325
CVDET 4 8
VOX IN 4 7
NC 4 6
45
44
43
WID/NAR 4 2
VDCSW 4 1
INT 4 0
39
38
37
36
35
34
33
LD RESET
1k 16 2 7
5 B+IN GND 6 - + LEDG
R306 4 IC300 VREF - + C335 470
TXD
NC
C347
RXD
VDAREF2 1 5 4 R366
PFKEY
5MSC
DACLD
PTT
5CC
CLK
NC
5TC
1k 3 6 R328 0.18u GND
R307 5 NJM12904RB1 5 VOXIN VOXIN 49 SPMUT Q402
VDAREF1
+ - C343 100k 1u SPMUT LED
DI 14 680k 0.18u LSDO
1k 4 5 R348 R342 32 RED
0.027u
R367
0.01u
C313
C344
HSDO
0.1u
VoUT4
VoUT5
VoUT6
13 56k 15k 31
R363 47k
VIN4
VIN5
0.01u
51
R327
BATT
820k
C317
C319
BATT LEDR
R:2.49V 5.6k 30 RT1N144U-T111
T:2.45V 52
11
7
12
10
8
57
(D)
7
R315
EN2 S3_A
MIC T/RSHF F2136ACNKDRB EN4
10k
R376
1000p
C352
24 S3_C 8
DA2S101
47k
58
R300 5VC NC S3_G 9
23 5.0V EN1 4
1000p
S2_A
59
C345
0 R455 S2_C 5
C336 R355 NC PLUL
C305
220k
22 6
R360
EN3 S2_B
C310 1k 60 C407 1000p
0.01u 47k DC SW NC PLPS S1_A 1
0.01u 21 S1_C 2
R309
0.047u 61
1.8k
R323
CURRENT
C301
5.6k
0.01u
20
C342
RT1P237U-T111
R303 STEERING 62
TYPE2 DATA
4.7k
4.7k
19 SELECTOR
Q304
1000p
1000p
1000p
1000p
C415
C413
C414
C304
C412
TYPE1 CLOCK EX24016ATAS0A
10u
C323 18
R 4 11
R 4 12
C353
R 4 38
R389 64 E2CLK
47k
5RC 1 A0
RESET
1 6 E2DAT
MODE
0.1u 17 VCC
XOUT
5RC
E2WP
1k
VREF
BSFT
1u R332 8
VCC
C354
VSS
R377
0.22u
XIN
39k
NC
NC
NC
NC
NC
NC
2 A1
C322
1000p
2.7k
C360
7
0.01u
0.1u
10k
C321
10
11
12
13
14
15
3 A2
R386
1k SCL
3.9k
47k 6
1 PTT/RXD
R310 MIC AMP/LIMITER 4 VSS
3 SDA
MIC
R302 1k 1k R312 5
11 IM IC304 R357 C400 C405
10 OPTDET 2.2k NJM12904RB1
2 5MS PTTSW 560k 0.1u 1000p EEPROM
0.033u
1 8
R392
J300
C329
E11-0484-05 1 0 0 C340 8
5M
PTT 7
SP/MIC JACKS C303 2
7.5V 5.0V 1000p 0.1u
R401
TXD - +
1k
E11-0717-05 R334 R344 R347 6 10p
(11.0592MHz)
J301 R378 OPTDET 3
1 SPG 0.047u + - SB R370
R407
R337
47k
3 TXD 4 5
R379
100k
0
C403
X400
4 SPK GND 47k
560p
(D)
C330
(D)
CN402 E2CLK
8200p
C326
R340
S70-0514-05
F 3 00
R372
10k
C350
1000p
1p (B)
47k
SB
SPMUT
2
OPTDET
R358
AFO
PFKEY
R393
R356
R308 C332
47k
5MSC
12p
18k
1k
5CC
PTT
5TC
F53-0467-05 DC SW PFKEY R408
R400
4.7k
1k SP MUTE SW 0.01u
C406
AF AMP
2SC4919-S
12p
C333
C355
BSFT
100
R317
330k
C402
1u
I C 3 0 2 TA7368PL CN404
CN303 OFF: 0V OFF: 0V 1000p R413
1000p
S401
Q400
C411
Q306 Q302 E2DAT
SSM6J08FU(F)
VOL OUT
470k
R414
10 PoUT
R336
CN403 SWITCH
Q303
E2WP
82k
VOL OUT 2
VCC CN401
R330
9 PW-GND
10k
R318
270k
SP+ 3
SP NC2
8 PRE-GND
C314 100p 4 C320 R335 R345 R406
SP- RT1N441U-T111 PTTSW PTTSW PTTSW PTTSW
VIN
0.22u
C306
DC SW 7 PHASE
C315 R326 5 0.1u 0 0 100
Q300
S70-0414-05
R321 RIPPLE
S400
1000p
C409
6 NF RXD RXD RXD PTT
10u 10 0
470k PTT PTT
0.047u
PTT
C318
220p
AF AMP ON:5.0V
C308
C312
7.5V DC SW OFF: 0V
RT1N441U-T111
SP- OPTDET OPTDET OPTDET
F53-0372-05
F500 SPMUT
+B
SPMUT
+B
SPMUT SPMUT
9
+BATT
SB SB
(3.15A) 5MS 5MS
5M 5M
GN1G
1000p
IC501
D500
XC6209B502PR
C501
BATTERY 5C
TERMINAL D 5 0 1 RB521S-30 5T
1 NC SSM3J05FU-F 5R
VoUT 5 4
MCH3309-H
DC SW VIN Q501
2 VSS CE 3
C507
1000p
-BATT R:4.93V
R505
CURRENT
C506
R509
10u
100k
47k
CN504
5MS
CN503
CN506
CN502
CN505
CN507
Q500
CN508
STEERING T: 0V
5M
3 CE VSS
SB
R508
5C
5R
+B
5T
C513
2 DC SW
47k
PROTECT
4.7u
C503
1u
VIN 4 5
VoUT NC
5.0V 5MSC 1
1000p
C515
C500
C514
C517
100p
CN511
4.7u
1u
POWER SW
1000p
RT1P237U-T111
4
VoUT 3
1000p
/AF VOLIUM
C524
1000p
C523
VIN
XC6120N302N-G
RESET
1000p
Q502
C516
5RC
IC500
1000p
C502
1000p
C504
C505
R31-0684-05
1u
DETECTOR/RESET
10
5CC 5CC 5CC
5MSC 5MSC 5MSC
INT
1
Note : The components marked with a dot (•) are parts of layer 1. 26
X57-809 1/1
TK-2000
BLOCK DIAGRAM
X57-8093-00
IC1
MB15E03SL-E1
VR500
R31-0684-05 IC501
D501
RB521S-30 XC6209B502PR 5R
Q201
SB AVR KTC4080E-P
PROTECT 5M
3
DOUBLER
VOLIN
Q500 MCH3309-H
AFOUT
DC SW 5MS
5MSC
IC500
XC6120N302N-G
1 TXD LEDR
RESET RESET 5CC LEDG
5TC DATA
2 5RC CLOCK
S402 IC503 5VC DACLD
S60-0447-05 3 XC6209B502PR 5MSC SPMUT
EN4
5C BSFT VDCSW
4 AVR
EN1 LSDO T/RSHF
5 HSDO WID/NAR
5CC
PLDL PLPS
6 Q501 SSM3J05FU-F
EN3
7 DC SW 5T
EN2 5M
8 5TC
EN4 BATT
Q502 RT1P237U-T111 EN3 RESET AS
Q400 MCU
9 5R 2SC4919-S EN2 VOXIN
DC SW EN1 PFKEY FA
5RC SW PTT CVDET
5MS BSFT RXD LSDIN
Q402 IC400 SQL THDET CL
XOUT INT OPTDET
RT1N144U-T111 F2136ACNKDRB DA
PLUL CURDET
LED DC XIN DAL
D401 LEDR RSSI
B30-1779-05 (Red) SW
X400
L77-2974-05
11.0592MHz E2CLK E2WP E2DAT
Q401
RT1N144U-T111
LED DC
D400 LEDG
(Green) SW
B30-1782-05 EEPROM
IC401
EX24016ATAS0A
S400
S70-0414-05 5M
PTT
PTT
S401
S70-0514-05
PFKEY
Side
27
TK-2000
BLOCK DIAGRAM
VHF:144MHz~
174MHz
VHF:182.85MHz~212.85MHz (RX)
144MHz~174MHz (TX)
5T
Q5 Q6 D100,D200 Q100 Q101 Q102 D101,102:HVC131
2SC5108(Y)F 2SC5636 HSC277 2SC4926YD RFM01U7P RD07MUS2BT112 D103:RN142S
RF BUFFER TX/RX ANT
RF AMP PRE DRIVE DRIVE AMP FINAL AMP ANT SW LPF
AMP RF SW
POWC
5C 5R 5T F101
Q3:2SC5383-T111
-t
T111 D7:DA2S101 5T
FUSE 0.5A
RIPPLE VDCSW VDC SW CURDET THDET
C
FILTER
Q103
RT1N141U-T111 +B
1st Local
VHF:182.85MHz~212.85MHz LPF
Q201 5R
KTC4080E-P 2nd Local
38.4MHz IC200
DOUBLER
NJM2591V
RSSI
Q202 XF200 Q203 D201,D202 Q204 D203
KTC4080E-P L71-0669-05 3SK318 HVC350B 3SK318 HVC350B
CF200 SQL
L72-1046-05 IF AMP MCF MIXER BPF RF AMP BPF
CF FM IF IC 1st IF
450kHz 5R 38.85MHz
CD200
L79-1914-05 5R 5R
CD DC Q200 BPF
SW RT1P237U-T111
DETAF
5C IC305
NJM12904RB1 WID/NAR
LSDIN QT/DQT 5R
FILTER
IC303 J301
NJM12904RB1 E11-0717-05
AF SPG
VOLIN 5R
FILTER TXD TXD
SPK
EN4 BATT AFO
EN3 RESET AST
EN2 VOXIN
EN1 PFKEY FADJ POWC
PTT CVDET
BPF SP
RXD LSDIN DAC
SQL THDET CLK 5MS IC302 Q302 Q306
INT OPTDET DAT
PLUL CURDET IC300 TA7368PL 2SK3577-A 2SK3577-A
DALD R2A20178NP MIC
RSSI AF POWER RXD
MUTE MUTE
AFOUT
AMP SW SW
LSDO MIC2
IC301
NJM12904RB1
MOD Q301 PTT
LSD J300
BUFF 5MS Q303 DC
E11-0484-05
SSM6J08FU(F) SW RT1N441U-T111
PTT/RXD
DC MIC
0A SW Q300 IM
IC304 RT1N141U-T111 OPTDED
OPTDET
NJM12904RB1 DC 5MS 5MS
FUSE
F300
MIC SW
AMP HSDO
MIC300
Q304 SPMUT T91-0674-05
RT1P237U-T111 SB
DC
5VC SW MIC
5MS
28
29
Receiver Section
IF2
RF (CENTER FREQUENCY) IF1 (38.85MHz) 450kHz AF (1kHz)
TK-2000
–58.0dBm –74.8dBm –67.6dBm –55.0dBm –52.6dBm –47.5dBm –60.8dBm –33.47dBm 174mVrms 71mVrms 1.9Vrms 1.9Vrms 1.9Vrms
SP
500mW
SG ANT
+
–53dBm FM IF AF
DAC
SYSTEM AMP
50Ω C250 C247 C240 C237 C224 C221 C216 C328 C320 C302
Q204 MIXER XF200 Q202 IC200 IC300 IC302 Q302 Q306
Q203
Transmitter Section
LEVEL DIAGRAM
15.1mVrms 216mVrms –11.2dBm 5.2dBm 2.2dBm 3.0dBm 11.8dBm 18.5dBm 36.2dBm 38.2dBm
MIC
ANT
DAC VCO
D100 50Ω
R313 C29 C33 C42 C100 C108 C112 C127
IC300 Q4 Q5 Q6 D200 Q100 Q101 Q102
RXLo
AG is set to the MIC input becomes 1.5kHz Dev, at 1kHz MOD. (Narrow)
To make measurements in the AF section, connect the AC level meter.
In the RF section, use a 1000pF coupling capacitor.
TK-2000
SPECIFICATIONS
General
Frequency Range .................................................. 144~174MHz
Number of Channels ............................................. Max. 16
Channel Spacing ................................................... 25kHz (Wide) / 12.5kHz (Narrow)
PLL Channel Stepping .......................................... 5kHz, 6.25kHz
Operating Voltage................................................... 7.5 V DC±20%
Battery Life............................................................. More than 10 hours at 5 watts (5-5-90 duty cycle with KNB-63L battery)
Operating Temperature Range .............................. –20°C to +60°C (–4°F to +140°F)
Frequency Stability ................................................ ±5.0ppm
Channel Frequency Spread ................................... 30MHz
Dimensions and Weight (Dimensions not including protrusions)
Radio Only ........................................................ 54 (2.13) W x 113 (4.45) H x 14 (0.55) D mm (inches), 130g (4.6oz)
With KNB-63L battery (1130mAh battery) ........ 54 (2.13) W x 113 (4.45) H x 24.9 (0.98) D mm (inches), 203g (7.2oz)
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
CA 90801-5745, U.S.A.
L’ Etoile Paris Nord 2, 50 Allée des Impressionnistes, Suite 2504, 25/F, Tower 2, Nina Tower, No. 8 Yeung Uk Road,
Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Tsuen Wan, New Territories, Hong Kong
KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110
WD18 9EB United Kingdom
A B C D E F G H I J K L M N O P Q R S
2 TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09) TX-RX UNIT (X57-8093-00) Component side view (J79-0305-09) 2
C322
Q304
CN506
C411
R367
Q501
D
R392
C333
C332
3 3
R407
R360 C345
CN507
G
S
C523 C329
C507
C514
C506
C409
R406
C342
R355 C336
R393 C134 – +
1 8 R509
CN504
R347
C340 R356
R357 R358
5
IC304
1
CN3
C515
CV
C139
4 5 MIC300 C502 IC503
IC500 Q301
C330
C503
C353
R334
R344
C517
C321 C323
4
C355 1 4 ANT
IC501
3 4
R332
R386
C306
C326 R136
D301
4 4
R120
C316 2 3 C312
Q300
R321
1
3
R340 R508 C513
1 8 R329 C308
C505 R502
C522
IC301
C319 Q103
C158
R328
R317
R377 R325
C313
C317 C504
C354
C511
CN510
4 5
Q306
D
R324 D501
R330
R327 R505 R511
S
C124
CN404
C145
R389 S
C360
5 R116 D 5
C309
R18 C6 G
CN202
CN403
R400
R121
R122
R123
CN511
R52 Q500
Q302
G
S
R314 18 13 C315
CN402
D
19 12 C159
CN505
R313
C311
Q502
C516
R316 C314 R326
C350 IC300
R315 F500
R370
BATT+
CN500
CN401
R322
R318
CN503
CN502
R372 24 7 C310
R323
D500
CN508
1 6
6 C524 D402 6
10
6
C501
R305
R306
R307
R455
R374 IC302
C352
R376
R373
R375
C349
Q305
5
R388
CN501
BATT–
R371
Q303
D D
D D
S G
Q400 SP–
C324
7 64 49 (BRN) C414 C412 7
R414
R413
C320
R342
C346
R350
C400 R401
CN2
F300
48
R336 R308
R335
C401
C318
SP+
(GRN)
C403
R345
1
X400
R312
CN1
IC303
IC400
CF200
D401
D400
C406 R311
8
8 R378 R304 8
C358
C407
CN201
C303
R379
R310
R348
R351
C408
CN200
C500
R337 R302
CN303
C335
1 8
CN302
R301
R309
C301
IC401
C337
CN300 CN301
C304
R411
4 5
R303
C305
CD200
9 9
J79-0305-09
10 10
Ref. No. Address Ref. No. Address Ref. No. Address Component side
IC300 6I Q103 4I Q501 3N Layer 1
11 IC301 4H Q300 4O Q502 6F Layer 2 11
IC302 6P Q301 4P D301 4F Layer 3
IC303 8L Q302 5P D400 8R Layer 4
IC304 3H Q303 7P D401 8R Foil side
IC400 8H Q304 3H D402 6G
12 12
IC401 8F Q305 7I D500 6K
IC500 4M Q306 5P D501 5O
IC501 4M Q400 7F
IC503 4O Q500 5M
13 13
14 14
A B C D E F G H I J K L M N O P Q R S
2 TX-RX UNIT (X57-8093-00) Foil side view (J79-0305-09) TX-RX UNIT (X57-8093-00) Foil side view (J79-0305-09) 2
S401
S400 Side
R300
PTT
3 C300 3
C43
C104 L101
R23
C9 L3
R12
R106
C121
C107
R105
C113 L11 C13
R119
R117
C129
R108 C152 C105
R104
C7
R113
R111 R112
C125
C110 C108
D3
L1
L2
R22
C123
D4
C114 R102
R107
C109
C106
L102
L4
C12
C128
C126
C138 C136 C132
L109
D5
L108
L107 D1
C122
R101 R155
L106
C2
L105 C17
4 C135 4
D2
C
E
D6
Q100
C127 D Q102 G R114 C112 C44 C8 L5 R1
C137
L112
D101
D102
B
E
R11
L104
C131
R109
Q2 C53
R139
L103
L111
R13
C21
C146
L110 C250 C102
C103
R103
C130
G
D
S Q101
C22
L210
L100
C101
L209
C119
C111
D103 S Q4
TH100
C28
C20
C100 C11
R30
G
R15
C18
R115
F101
C116
R100 D
L6
C120 + C25
C249 R42 C19
5 R27 5
C29
C117
C24
R29
D203 D100 Q5
Q3
D7
R236 Q203
R33
C248
C413 C415 G S R45
R217 R41 C41
D200
C42
Q204 C237 C232
R223
G D R40 R39
C32 L7
C242
C240 R226
C238
R32
G S R225
L208
C228
C247
L9 C40
C234 L206
L204 C36
C243
R230
R229
R221 R220 L203 C30 C33
L207
L205 L8
6 G D
C235 C231
Q6 R38 6
R227
R224
R200
C226
C230
C225
D201
D202
R228 R219 C39
C37
C35
R232
R233
C246
R264
C245
R231
C236
R222
C302 + R234 C244 C256 C239 C227 R216 R37
S402
C206
7 7
C207 R203
C210
C201
C328 R390 R353 C200
C357
R364
C343
R206 Q1
R363
C334
C341
Q401
R9
R202
R201
R365
R43
C1
R2
C223
C224
R361
C208
8
5
R260 R214
1
XF200 R19
R26
R209
R3
IC305 C221 R215 + C4 R14
C218 R5
16
C405
C404
9
IC200 Q202 R21
4
Q402
C212
R17
8 8
L212
+ C5
C34
16
R267 C222 IC1 R20
9
C203
C204
C338
R369
R34
C31 R16
C347 R212
R354
R352
C257
C216
J300
R204
C26
MIC R366 R257
R28
C339 C344 R207 C209
C23
C211
C213
J301 R205 C27
R210 R208
X1
Q201
C214
C217
C215
VR500 SP
R213
L213
C202
C205
R25 C14 C16
C219
C15
L211
Q200 C220
9 9
R51
R50
C38
Q7
J79-0305-09
10 10
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side
IC1 8P Q7 9P Q401 7C D100 5N Layer 1
11 IC200 8K Q100 4M Q402 8C D101 4F Layer 2 11
IC305 8I Q101 5L D1 4P D102 4F Layer 3
Q1 7P Q102 4K D2 4O D103 5G Layer 4
Q2 4O Q200 9J D3 4O D200 6O Foil side
Q3 5O Q201 9N D4 4N D201 6K
12 12
Q4 5P Q202 8L D5 4O D202 6J
Q5 5P Q203 6M D6 4O D203 5I
Q6 6O Q204 6I D7 5O
13 13
14 14
X57-8093-00
VHF:144MHz~
IC1 174MHz
MB15E03SL-E1
-t
TUNE Q2:RT1N141U-T111 D7:DA2S101 5T
FUSE X1
PLUL 5M D4:HSC277 FUSE 0.5A
F500 3.15A L77-3074-05 19.2MHz RIPPLE
BATT+ +B SHIFT SW 5C VDCSW VDC SW CURDET THDET
TCXO FILTER
7.5V ASSIST Q103
5M RT1N141U-T111 +B
PROTECT
SHIFT
D500 SB
GN1G
BATT- FADJ LSDO
1st Local
VR500 VHF:182.85MHz~212.85MHz
R31-0684-05 IC501 LPF
D501
RB521S-30 XC6209B502PR 5R
Q201
SB AVR KTC4080E-P 2nd Local
PROTECT 5M
38.4MHz IC200
DOUBLER
VOLIN NJM2591V
Q500 MCH3309-H RSSI
AFOUT Q202 XF200 Q203 D201,D202 Q204 D203
DC SW 5MS KTC4080E-P L71-0669-05 3SK318 HVC350B 3SK318
CF200 SQL HVC350B
5MSC L72-1046-05 IF AMP MCF MIXER BPF RF AMP BPF
IC500 CF FM IF IC 1st IF
XC6120N302N-G 450kHz 5R 38.85MHz
CD200
1 TXD LEDR L79-1914-05 5R 5R
RESET RESET 5CC LEDG DC
CD Q200 BPF
5TC DATA SW RT1P237U-T111
2 5RC CLOCK DETAF
S402 IC503 5VC DACLD 5C IC305
S60-0447-05 3 XC6209B502PR 5MSC SPMUT NJM12904RB1 WID/NAR
EN4
5C BSFT VDCSW QT/DQT
4 AVR LSDIN 5R
EN1 LSDO T/RSHF FILTER
5 HSDO WID/NAR
5CC
PLDL PLPS IC303 J301
NJM12904RB1 E11-0717-05
6 Q501 SSM3J05FU-F
EN3 AF SPG
DC SW 5T VOLIN 5R
7 FILTER TXD TXD
EN2 5M SPK
8 5TC AFO
EN4 BATT
Q502 RT1P237U-T111 EN3 RESET AST
Q400 MCU
9 5R 2SC4919-S EN2 VOXIN
DC SW EN1 PFKEY FADJ POWC
5RC SW PTT CVDET
5MS BSFT BPF SP
RXD LSDIN DAC
Q402 IC400 SQL THDET CLK
XOUT 5MS IC302 Q302 Q306
RT1N144U-T111 F2136ACNKDRB INT OPTDET DAT
PLUL CURDET IC300 TA7368PL 2SK3577-A 2SK3577-A
DALD R2A20178NP MIC
D401 LED DC XIN RSSI AF POWER RXD
LEDR MUTE MUTE
B30-1779-05 (Red) SW AFOUT
X400 AMP SW SW
L77-2974-05 LSDO MIC2
11.0592MHz E2CLK E2WP E2DAT IC301
Q401 NJM12904RB1
RT1N144U-T111 MOD Q301 PTT
LSD J300
LED DC BUFF 5MS Q303 DC
D400 E11-0484-05
(Green) SW LEDG
SSM6J08FU(F) SW RT1N441U-T111
B30-1782-05 EEPROM PTT/RXD
IC401 DC MIC
EX24016ATAS0A SW Q300 IM
S400 IC304 RT1N141U-T111 OPTDED
OPTDET
5M NJM12904RB1 DC
S70-0414-05 5MS 5MS
FUSE
F300
PTT MIC SW
PTT AMP HSDO
MIC300
Q304 SPMUT T91-0674-05
S401 RT1P237U-T111 SB
S70-0514-05
PFKEY DC
Side 5VC SW MIC
5MS