4 3 2 1

THIS DOCUMENT CONTAINS PROPRIETARY REVISIONS

INFORMATION WHICH IS THE PROPERTY REV DESCRIPTION EFF. DATE CHK APPROVED/DATE
OF QSC AUDIO PRODUCTS, THAT MAY NOT
BE DISCLOSED, REPRODUCED OR USED A PROD RLSE W/O CHG. ECO 9034 17 MAR 2009 RAB DD
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS. B CHG R141 AND R143 VALUE. ECO 9377 31 JUL 2009 RAB DD
CHG C13, C14, C25, R73, R77, R173 VALUE
C ADD D15, D16, ECO 9457 31 AUG 2009

C1 CHG C52 TO Y1 TYPE. ECO 9591 29 JAN 2010

D D

C INPUT BOARD
INPUT DSP POWER_SUPPLY
MAIN BOARD
AMP C
INPUT_OUTPUT DSP POWER_SUPPLY AMP

MIX-OUT
MIX-OUT MIX-OUT

+12VLOW
+12VLOW +12VLOW

+VCC
+VCC +VCC

-VCC
-VCC -VCC

B B

PLUMBING SCHEDULE SCHEMATIC ASSOCIATION

----------------- ---------------------
+/-15V: MAIN BOARD RAW PC-003311-00 FOR ALL MODELS
+/-15V_A: AMP CH 1 AUDIO WP-003311-00 K8
+/-15V_B: AMP CH 2 AUDIO WP-003312-00 K10
+/-15V_C: INPUT BOARD RAW WP-003313-00 K12
+/-15V_D: INPUT BOARD AUDIO WP-003314-00 KSUB
VDD1: MAIN BOARD +7V
VDD2: INPUT BOARD +7V COMPONENT NOTES
+/-VCC: AMPLIFIER RAILS ---------------
'2-WAY' MEANS ONLY FOR K8/10/12
GROUND SCHEDULE 'SUB' MEANS ONLY FOR KSUB
BB2 FB1 FB2 --------------- VALUE AS SHOWN AFTER NOTE
1

1
1

Badboard_Mark Board_Fiducial Board_Fiducial

C1: INPUT PCB CHASSIS DNI MEANS 'DO NOT INSERT'
P1: MAIN PCB POWER
A1: MAIN PCB AUDIO
BB1 FB3 FB4 C2: XCAP CHASSIS
1

1
1

Badboard_Mark Board_Fiducial Board_Fiducial

CONTRACT NO.
AUDIO PRODUCTS, LLC.
COSTA MESA, CALIFORNIA
A APPROVALS DATE A
DRAWN
EVAN SHULTZ 29 OCT 2009
SCHEMATIC DIAGRAM
CHECKED K SERIES 2-CH AMP
D. GALVAN 29 JUL 2009

ISSUED SIZE CAGE CODE DWG NO. REV

1. THIS DRAWING USED IN CONJUCTION WITH ASSEMBLY WP-003311-00.
NOTES: UNLESS OTHERWISE SPECIFIED
D. DELARM

SEED FILE NO.

30 JUL 2009

PLOT DATE:
C 00PW4
SCALE NONE CAD FILE NO.
SH-003311-00
SHEET 1 OF
C1
SUBVERSION AR-003311-00.ZIP 5

4 3 2 1
 4 3 2 1
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS, THAT MAY NOT
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.
INPUT STAGE, SIGNAL PRESENCE, GAIN, INPUT SUMMING
D D
2-WAY
F3 = 72KHZ
J12 2-WAY 2-WAY
+6DB GAIN L5 R109 C93
1K OHM 10.0K
100MHZ 220PF
1 PCNT 5 PCNT
1/10W 50V
2-WAY 2-WAY
L6 R110 R113
1K OHM 10.0K 10.0K +10DB AT TOP
100MHZ 1 PCNT 1 PCNT 0DB AT CENTER
J10
1/10W 1/10W -INF AT BOTTOM
T
1 2
L7 R111 MC33078 CW
R 3 S 2 VR1
G 1K OHM C97 5K
20.0K R117 G2
100MHZ 1 PCNT
1
1/10W W
SP2 SP5 SP6 10UF 2.21K G1
3 INV 20 PCNT 1 PCNT
U14 16V 1/10W CCW
J11 UNITY GAIN AT 0DB GAIN POT
C1 R130
MALE L8 R112 R114 PRE-EMPHASIS: 10DB @ 5KHZ
1 2
14.0K 2-WAY R67
3
1K OHM 20.0K 10.0K 1 PCNT C131
100MHZ 1 PCNT 1 PCNT 1/10W 4.53K
G 1/10W 1/10W 0.1UF 1 PCNT
SP3 C94 U17 5 PCNT 1/10W
2 100V
C1 R13 R17
C1 220PF 1 6
U17
5 PCNT

C 50V SUB
R118 3

2-WAY
MC33078 2-WAY
R131
2.21K
1 PCNT
1/10W
2.21K
1 PCNT
1/10W
5
7 MIX-OUT
OUT
C
2.21K
C95 1 PCNT J13 100 MC33078
1/10W SG3 1 PCNT C1
MALE 1/10W
220PF 1 2
5 PCNT
50V
3
SUB: 0R SP10
L3 R104 R106 R115 G 2-WAY
J8 R132 SP9
1K OHM 20.0K 1.13K 10.0K 100
T
100MHZ 1 PCNT 1 PCNT 1 PCNT 1 PCNT
1 2 1/10W 1/10W 1/10W C1 MIX-OUT 1/10W C1
R 3 S
SP4 2-WAY 2-WAY
G 3PDT MC33078 CW
6 2-WAY VR2

4
5
6
C98 5K
R119 G2
MIC LINE 7
W
SW4 10UF 2.21K G1

1
2
3
J9
5 INV 20 PCNT 1 PCNT
U14 16V 1/10W CCW
MALE
1 2 C1
SUB: 0R
L4 R105 R107 R116
3
G 1K OHM 20.0K 1.13K 10.0K
100MHZ
SP1 1 PCNT 1 PCNT 1 PCNT
1/10W 1/10W 1/10W
C96
C1 +15V_C 2-WAY
C1 LD6
220PF GREEN
5 PCNT
50V R120 2-WAY
14.0K R126
1 PCNT 2-WAY 10.0K
2-WAY 1/10W R122 1 PCNT
LM393A 1.0M 1/10W
MIC SW4 LINE 3 1 PCNT 2-WAY
+3.3VD 1/10W MMST3906
7
8
9

3PDT 1 2-WAY

B MTG1 MTG2 2-WAY

R108
475
R29
1.00K
2
U13
C99
0.1UF
10 PCNT
25V
Q9
B
1 PCNT 1 PCNT
C1 1/10W 1/10W R121
MIC LED 2-WAY 2.87 -15V_C
MTG3 MTG4 LD3 1 PCNT SUB SG4
YELLOW 1/10W R3
0 C1
C1 C1 NA
NA

LD7
GREEN

R127
+15V_C R102 +15V_D 10.0K
R123 1 PCNT
C86 21 C87 C91 C92 LM393A 1.0M 1/10W
0.1UF 10UF 0.1UF 0.1UF 5
8

1 PCNT
V+ 10 PCNT 11/10W
PCNT 20 PCNT V+ 10 PCNT V+ 10 PCNT 1/10W
25V 25V 25V 25V MMST3906
U13 U14 U17 7
Q10
LM393A C68 C1 C88 MC33078 C82 MC33078 C83 R167 C100
V- 0.1UF 10UF V- 0.1UF V- 0.1UF 6 0.1UF
10 PCNT 20 PCNT 10 PCNT 10 PCNT U13 10 PCNT
4

25V R103 25V 25V 25V 1.00K 25V

1 PCNT
21 1/10W
-15V_C 1 PCNT -15V_D -15V_C
1/10W

A A

SIZE CAGE CODE DWG NO. REV

C1
C
SCALE NONE
00PW4 SH-003311-00
CAD FILE NO. SHEET
AR-003311-00.ZIP 2 OF 5

4 3 2 1
 4 3 2 1
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS, THAT MAY NOT
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.

DSP, EEPROM, 3.3V REGULATOR

D D

3RD ORDER, F3 = 30KHZ

TALL EURO HEADER: FIRMWARE ASSOCIATION R96
PHOENIX CONTACT 1771965 C54 R80 21.75DB GAIN OVERLAP --------------------
A-MSTBVA 2,5/ 3-G-5,08-BK IN MIX-OUT PG-000210-00 K8 20.0K
+3.3VD SUB: 0R PG-000211-00 K10
U1 10UF 100K 1 PCNT
+5V 5
20 PCNT R154 1 PCNT PG-000212-00 K12 R88 R92 1/10W C75 WIRE GUIDE:
J6 L9 16V 1/10W PG-000213-00 KSUB MOLEX 51016-1000
1 7
10.0K 5.62K 5.62K
C1
100PF
1K OHM R6 1 PCNT 1 PCNT 1 PCNT 5 PCNT J2A
100MHZ 6 1/10W DSP GPIO (MP PINS) 1/10W 1/10W 50V 1 AGND
SP8 C1 +3.3VD C1
MC33078 2.21K SUB: 0R 2-WAY ------------------- U19
1 PCNT R74 U18 MP2-3,8-9 ARE AUX ADCS 3
C1 R177 1/10W 6 SUB: 100K ALL SWITCHES HAVE INTERNAL PULLUP C72 C79 R100
DNI 680PF 1
J2A
10.0K R81 D18 5 PCNT
1.13K 1 PCNT 7 Q8 +3.3VD
100 DNI 2 CH1
BAT54S 50V 10UF
VOLUME: R11 1 PCNT 1/10W 6.34K
+1.8VD MMST3906 3.3V: 92MA 2
20 PCNT 1 PCNT C40
4.75V = 0DB ATT 100K 1/10W +15V_D CM 5 1 PCNT 1.8V: 60MA MC33078 16V 1/10W 100PF
0.25V = AMP MUTE 1 PCNT MC33078 1/10W 5 PCNT
+3.3VD C1 R87 50V
1/10W R89 R93 C76 J2A
J6 L10 R71 1.00K C1 3 CH2
2 D17 3
U1 U10 1 PCNT
BAT54S 5.62K 5.62K 100PF
1K OHM R9 FRONT-LED 4 ADC0 VDRIVE 17 1/10W 1 PCNT 1 PCNT 5 PCNT
100K

C SP7

C1
100MHZ 1 PCNT
1/10W

1.0UF
C44
-15V_D
2
MC33078
1

3.65K
1 PCNT
D4
BAT54S
R10
5.62K
C122
0.0033UF
10 PCNT
R75
17.8K C56
2
3
47
ADC1
ADC_RES
FILTA
VOUT0
VOUT1
46
45
44
1/10W 1/10W R97
20.0K
50V

TEMP-DSP R173 4
J2A
TEMP C
1/10W VOUT2 1 PCNT 63.4K
20 PCNT 1 PCNT 50V 1 PCNT 10UF 11 43
J6 16V 20 PCNT
MP0 VOUT3 1/10W 1 PCNT
3 1/10W C1 1/10W 10 MP1 1/10W
C1 C1 C1 25V 29 41
MP2 FILTD R98 J2A
C1 C1 28 MP3 C66 FRONT-LED 5 FRONT LED
8 MP4 CM 40 CM 10UF HI = LED ON
20 PCNT 20.0K
9 MP5 C62 1 PCNT
100UF C64 25V
15 SDATA_OUT0 R90 R94 1/10W C77
+3.3VD 14 20 PCNT 0.1UF
MP7
25V 10 PCNT
J2A
27 MP8 ADDR0 7
5.62K 5.62K
C1 AMP-SD-DSP 6 AMP-SD
25V 100PF
26 MP9 ADDR1_CDATA_WB 20
1 PCNT 1 PCNT 5 PCNT LO = STANDBY
R68 16 OUTPUT_LRCLK CLATCH_WP 21 WP C1 1/10W 1/10W 50V
475 TEMP-DSP 19 OUTPUT_BLCK SDA_COUT 22 SDA
1 PCNT C1 TEST 23 SCL +3.3VD 5
U19
DP3POS DP3POS DPDT SCL_CCLK VDD2 J2A
35 6 C73 C80 7 +7V
5
6
7
8

5
6
7
8

4
5
6

1/10W PLL_LF SELFBOOT R101

LIMIT LED +3.3VD 38 PLL_MODE0 680PF 7
LD1 39 PLL_MODE1 5 PCNT DNI
RED 50V 10UF 100
C50 R79 32 MCLKI RESET* 5 RST-L 6 C43 J2A
SW1 SW2 SW3 20 PCNT 1 PCNT
1
2
3
4

1
2
3
4

1
2
3

0.0033UF 475 MC33078 16V 1/10W 100PF 8 PGND

10 PCNT 1 PCNT 31 OSCO RSVD 30 5 PCNT C1
Q6 R69 50V 50V
LF EQ FRONT LED: HF EQ/POLARITY 1/10W R91 R95 C78
MMST3904
10.0K TOP: ON 11 TOP: VOCAL BOOST C55 R82 ADAU1701 C1 C1 J2A
1 PCNT FLAT 11 OFF 10 SUB: POLARITY 0.068UF 100 9 -15V
10 PCNT 5.62K 5.62K 100PF
1/10W 100HZ 10 LIMIT 01 1 PCNT 1 PCNT 1 PCNT 5 PCNT
C1 DEEP 01 +3.3VD 100V Y1 1/10W 1/10W 1/10W 50V -15V_C
R99
+15V_C J2A
SUB: 20.0K
10 +15V
FAN+ +15V_C FLAT 11 R7 12.288MHZ 1 PCNT
J5 R70 DEEP 10 VDD2 1.00K R160 C59 C61 1/10W
1 2.21K 2P2T (SW-111) 1 PCNT 3.65K 18PF 18PF
1 PCNT 1/10W 1 PCNT 5 PCNT 5 PCNT
R84 50V 50V
J5 1/10W STANDBY LED 1/10W
2 20.0K LD4 C1 2-WAY
1 PCNT GREEN AMP-SD-DSP
FAN- 1/10W D13 +15V_D
U18
C42 Q7 2
100UF 2SC2655 POWER LED IMBD4148 C5 Q17 C41
20 PCNT LD2 0.1UF MMST3904 0.1UF

8
25V BLUE 10 PCNT V+ V+ V+ 10 PCNT
1
FAN-GND
SG2 25V U1 U18 U19 25V

B C1
C1 MC33078
V-
MC33078
V-
MC33078
V-
C120
0.1UF
10 PCNT
3

C1
MC33078
B

4
25V
D45
-15V_D
IMBD4148 2 PIN JUMPER: CO-000081-00
PROGRAMMING HEADER
U8 +3.3VD +1.8VD J7
VDD2 NCP1117ST33 +3.3VD 1 SCL
3 2
IN OUT
18
34
36
48
13
24

2
TAB U12 J7
C45 GND 2 RST-L
8

VCC R28 RST-L

1000UF R83 R85 R86 3
PVDD
IOVDD

AVDD1
AVDD2
DVDD1
DVDD2

VCC RESET*
20 PCNT
1

C63 C65 C67 C69 C70 C71 C74 C81 C84 C85 2.21K 2.21K 2.21K J7
16V C48 U11 0.1UF 10UF 10UF 0.1UF 0.1UF 0.1UF 0.1UF U10 10UF 0.1UF 0.1UF 1 PCNT 1 PCNT 1 PCNT
GND 475
3 SDA
10 PCNT 20 PCNT 20 PCNT 10 PCNT 10 PCNT 10 PCNT 10 PCNT 20 PCNT 10 PCNT 10 PCNT U11 MAX809S 1 PCNT

1
C47 10UF 24C64A ADAU1701 1/10W 1/10W 1/10W 1/10W
AGND1
AGND2
AGND3

DGND1
DGND2

20 PCNT 25V 25V 25V 25V 25V 25V 25V 25V 25V 25V
PGND

0.1UF VSS WP 7 WC* E0 1 J7

10 PCNT 25V SCL 6 2 4
SCL E1
25V SDA C1
4

5 SDA E2 3
C1
1
37
42
33
12
25

J7
C1 24C64A 5 WP

J7
6 TEST

W2

C1

A A

SIZE CAGE CODE DWG NO. REV

C1
C 00PW4
SCALE NONE CAD FILE NO.
SH-003311-00
SHEET
AR-003311-00.ZIP 3 OF 5

4 3 2 1
 4 3 2 1
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS, THAT MAY NOT
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.

2-CHANNEL CLASS D AMPLIFIER AND PROTECTION

D D

R180 HF AMP IN 2-WAY

C58 243
+15V_B
C9 120PF 1 PCNT
120PF 5 PCNT 1/10W R48 R26
5 PCNT 200V D15
IMBD4148 150K 150K
R22 200V R30 1 PCNT 1 PCNT
R77
10.0K R25 SN1 1.13K R44 D11 1/8W 1/8W
1 PCNT 1.13K A1 P1 1 PCNT 1.13K C13 +VCC
1/4W 1 PCNT 1/10W 10UF
R176 1 PCNT 20 PCNT 3.65K BAS21
1/10W 1/10W 1 PCNT R46
25V R42
WIRE TRAP: 17.8K 1/10W 10.0K
MOLEX 52004-1010 1 PCNT A1 5.62K 1 PCNT R60
1/10W CH2-SD 1 PCNT 1/10W 19.6 J3
J2B C10 U5 1/10W D9 1 PCNT 3
R20 R24 U4 10PF
AGND 1 5 1 VDD CSH 16
Q2 1/8W
A1 C51 5 PCNT 2 CSD VB 15 C23 HF PAD
1.00K 1.00K 50V BAS21 R52 IRFB4020
1 PCNT 1 PCNT 220PF 12 3 IN HO 14 10UF C28 T94-2 60T 21AWG PREP R159 OFF BOARD
5 PCNT 4 13 20 PCNT 120PF L1 2-WAY
J2B 1/10W 1/10W
50V
VSS VS
25V 21 5 PCNT
CH1 2 4 A1 6 VREF VCC 11
R49 1 PCNT C4 J3
A1 200V
LM319 7 OCSET LO 10 1/10W 2 CH2 OUT+
C7 R32 8 DT COM 9
2.87 R12 +12VLOW 30UH C109 SUB
R125 D5 0.68UF

3
J2B 0.0039UF R178 6.34K ES1D 1 PCNT IN R61 0.1UF C123 5 PCNT 2-WAY
CH2 3 5 PCNT 10 2.21K 1 PCNT IRS20957 1/10W 19.6 5 PCNT 0.022UF 250V C53
50V 21 100V 10 PCNT
1 PCNT 1 PCNT 1/10W 1 PCNT 2-WAY 0.022UF
A1 R40 1 PCNT Q3 500V 10 PCNT
VDD1 1/10W 1/10W 1/10W R53 IRFB4020
1/8W C34 R159
0.68UF R182 R197 500V
J2B 14.0K 5 PCNT
TEMP 4 TEMP-MAIN A1 R33 R36 1 PCNT C17 21 C29 10 10 300
R5 2.21K 4.53K 10UF 120PF 100V 1 PCNT 1 PCNT
1/10W 1 PCNT 5 PCNT

C FRONT LED
J2B
5
HI = LED ON
R4
4.53K
1 PCNT
1/10W
1 PCNT
1/10W
1 PCNT
1/10W
20 PCNT
25V
1/10W

-VCC
5 PCNT
200V
1/8W

R169
1/8W

R198
R156
2W
2-WAY
82.5K
C
10.0K J3
9 10 10 1 PCNT
1 PCNT
J2B 1/10W 1 PCNT 1 PCNT 1/8W
AMP-SD 6 FRONT LED 1/8W 1/8W -VCC J3
LO = STANDBY J3 1 CH2 OUT-
+15V 10
R181 LF AMP IN 2-WAY P1
J2B VDD1
+7V 7 C60 243
+15V_A SYNC CAP
R14 Q1 C8 120PF 1 PCNT C2
10.0K MMST3904 120PF 5 PCNT 1/10W R50 R27 0.047UF
5 PCNT 200V D16 10 PCNT
J2B 1 PCNT IMBD4148 150K 150K
R19 200V R31 250V
PGND 8 1/10W R73 1 PCNT 1 PCNT
P1 D1 P1 10.0K R23 SN2 1.13K R45 D12 1/8W 1/8W
CH2-SD 1 PCNT 1.13K A1 P1 1 PCNT 1.13K C14 +VCC
J2B -15V 1/4W 1 PCNT 1/10W 10UF
IMBD4148 R124 1 PCNT 20 PCNT 3.65K BAS21
-15V 9 D2 1/10W 1/10W 1 PCNT R47
CH1-SD 25V R43 10.0K
17.8K 1/10W
IMBD4148 1 PCNT A1 5.62K 1 PCNT R62
J2B +15V 1/10W CH1-SD 1 PCNT 1/10W 19.6
+15V 10 C12 C11 U7 1/10W D10 1 PCNT
0.1UF
R18 R21 5
U2 10PF 1 16
VDD CSH 1/8W
10 PCNT C49 5 PCNT 2 15 C24 Q4
CSD VB BAS21 R54
25V 1.00K 1.00K 50V IRFB4020
1 PCNT 1 PCNT 220PF 12 3 IN HO 14 10UF C30
P1 1/10W 1/10W 5 PCNT 4 VSS VS 13 20 PCNT 120PF L2
50V 25V 21 5 PCNT
4 A1 6 VREF VCC 11
R51 1 PCNT J3
A1 200V
LM319 7 OCSET LO 10 1/10W 8 CH1 OUT+
C6 R34 8 DT COM 9
2.87 R15 +12VLOW 30UH
R72 D6
3
0.0039UF R179 6.34K ES1D 1 PCNT IN R63 R183 R199 C57
5 PCNT 10 2.21K 1 PCNT IRS20957 1/10W 19.6 10 10 0.022UF
50V 21 10 PCNT
1 PCNT 1 PCNT 1/10W R41 1 PCNT Q5 1 PCNT C35 1 PCNT 1 PCNT
A1 1/10W 1/10W 1/8W 0.68UF 1/8W 1/8W 500V
1/10W R55 IRFB4020 5 PCNT
14.0K 100V
A1 R35 R37 1 PCNT C18 21 C31
2.21K 4.53K 1/10W 10UF 1 PCNT 120PF R196 R200
1 PCNT 1 PCNT 20 PCNT 1/10W 5 PCNT 10 10
1/10W 1/10W 25V 200V 1 PCNT 1 PCNT
-VCC 1/8W 1/8W

C119
0.1UF

B P1
5 PCNT
100V 7
J3
CH1 OUT- B
+15V
10
U2

LM19: TEMP - VOUT 7

0C - 1.8V +15V_A +15V_B
R38 R1 +VCC
25C - 1.570V 9
IN
45C - 1.327V LM319 21 C15 C26 21 C37 C27 C32 C36
11

11

55C - 1.218V 1 PCNT 10UF 0.1UF 1 PCNT 10UF 0.1UF 0.047UF 0.047UF
20 PCNT V+ 10 PCNT 20 PCNT V+ 10 PCNT 10 PCNT 10 PCNT
8

75C - 0.997V 1/10W 1/10W

25V U2 25V 25V U4 25V 250V 250V
85C - 0.878V
+15V_A
R78 95C - 0.772V U9 A1 C16 LM319 C121 C103 LM319 C138 R16 R56
1 2 TEMP-MAIN 10
U4 10UF 0.1UF 10UF 0.1UF 1.5 1.5 P1
V+ VO V- V- D3 D8
20 PCNT 10 PCNT 20 PCNT 10 PCNT
6

GND 5 PCNT 5 PCNT

3.65K R39 25V 25V R2 25V 25V ES1D ES1D
1 PCNT R163 C39 LM19CIZ C3 7 1W 1W
-VCC
3

1/10W 1.13K 0.1UF 0.1UF

10 PCNT 10 PCNT 21 -15V_A 21 -15V_B IN
1 PCNT 9
25V 25V 1 PCNT 1 PCNT
1/10W A1 LM319 1/10W 1/10W

A1
8

-15V

A A

SIZE CAGE CODE DWG NO. REV

C1
C 00PW4
SCALE NONE CAD FILE NO.
SH-003311-00
SHEET
AR-003311-00.ZIP 4 OF 5

4 3 2 1
 4 3 2 1
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS, THAT MAY NOT
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.
UNIVERSAL INPUT POWER SUPPLY
D D

F4 D28 VDD1 +7V

F2 D31 +15V
24V ES1D C129
C1 100UF
1.0A R58 20 PCNT
24V ES1D 25V
8
1.0A C133 100
C19 100UF D38 120PF P1
S8 T2 R59 20 PCNT MBR230 1 PCNT 5 PCNT
1/10W 200V
25V
S9 100 120PF
9
1 PCNT 5 PCNT
T106-26B 79T 18AWG 1/10W 200V D37
L13 R64 C20 P1 BAT54S
774UH S11 C134
11
100
100UF P1
120PF 20 PCNT D39
1 PCNT 5 PCNT 25V MBR230 R8 Q16 +12VLOW
J14 F1 C132 1/10W 200V OUT
F3 2SC2655

1
2

5
6
D32 6.34K D29
C104 0.022UF 1 PCNT BAS21
0.0022UF 10 PCNT 24V ES1D 1/10W D36 C125 C25
10A 20 PCNT -15V
250V L11 R139 500V 1.0A 1000UF
R133 125VAC R186 20 PCNT
100
BR1 EE42 3C90 ES1D
243K A1 A2 L12 1 PCNT 243 100X40AWG LITZ PRI
0.68UF D14 16V
MTG9 B1 B2 KBU1005 5 PCNT BAS21
100X40AWG LITZ SEC

AC1
1 PCNT 1/10W 1 PCNT 100V

C C101
0.68UF
10 PCNT
1/8W C102
0.68UF
10 PCNT C2
C111
0.022UF
- +
1/10W
PRI_HI
22AWG AUX
C116 3
-VCC

1
250VAC R134 250VAC 10 PCNT R152 R144 0.68UF P1
B1 B2 P3 +85V U3

AC2
A1 A2
500V 5 PCNT D33
243K 4MH C105 4MH 82.5K 11K +VCC MOC205R2V-M
250V OUT
C108 R185

2
1 PCNT 0.0022UF 1 PCNT 5 PCNT FFP08S60S
1/8W 20 PCNT 0.1UF 243 1/8W 1W R174 R76 R65
125VAC 20 PCNT 1 PCNT
Q13 R161 1.5 3.65K 11K
J15 250VAC QCL-DR STP11NM60FD
R140 1/10W R172 R145 100 C135 5 PCNT 1 PCNT 5 PCNT
C112 82.5K 11K T2 P1 5 PCNT 1800UF 1W R170 1/10W 1W
C130 470UF 1 PCNT 5 PCNT PSU-VSW 1 7 2W 20 PCNT 56K
NTC 20 PCNT 100V
2.5 OHMS 1/8W 1W 4
S7 C126 C46 5 PCNT R66
0.5*960UF*375V^2 = 67.5J 400V B2 T2 100PF 0.047UF 1W 3.65K Q15
0.022UF B1 3 T1 5 PCNT 10 PCNT MMBTA42
10 PCNT C113 R188 R146 1 PCNT
470UF 82.5K 11K
S10 10 500V 250V 1/10W
500V
20 PCNT 1 PCNT 5 PCNT C127 C89 C149
400V 1/8W 1W
Q14 100PF P1 0.047UF 0.68UF R175
QM-DR STW26NM60 5 PCNT 10 PCNT 5 PCNT
S12 100
C114 500V C136 250V 250V
C52 R166 12 1 PCNT
0.022UF R189 R147 R150 R162 1800UF 1/10W
10 PCNT 82.5K 11K 29.4K 100 20 PCNT R184 R171
500V 220PF 100 100V C33

3
1 PCNT 5 PCNT 1 PCNT 10 PCNT 5 PCNT 5 PCNT 1.5 1.13K
1/8W 1W 1/10W C124 250VAC 2W 2W 5 PCNT 1 PCNT 0.1UF 1 U6
PRI_LO W1 1W 1/10W 10 PCNT ZR431
D34 25V
-VCC

2
0.0022UF OUT
20 PCNT FFP08S60S -85V
125VAC

OC = 26.1A = 0.75V
R153 D25
R135 2
MTG5 MTG7
768 IMBD4148
150K LINEUV = 1.27V C117 1 PCNT R155 R158 A2
1 PCNT 220PF 1/10W 2.87 1.00K
5 PCNT T1A1 P1
1/8W 1 PCNT 1 PCNT SG1
C38 R148 50V 1/10W 1/10W 1
R136 1.0UF 6.34K PRI_LO D40 A1MTG6 MTG8
150K 20 PCNT 1 PCNT
U15 D27
1 PCNT 16V 1/10W 16 7

B
1/8W

C106
AC DETECTOR
ON ABOUT 24VAC
OFF IN 30MS R138
PSU-BIAS
15
1
2
VIN
LINEUV
RTDEL
RTON
CS
OUT
AUX
VREF
13
12
4
BAS21

R157 QM-DR 21
R57
1.0UF
C128
1 4
C137

1.0UF
BAS21
R165 QCL-DR
10
C22 R187 UCC2893 RUN CURRENT = 3MA MAX
GATE DRIVE CURRENT:
B
100K 3 RTOFF 1 PCNT 20 PCNT T3 T3 20 PCNT 1 PCNT 120PF 100 (102NC + 40NC) * 200K = 29MA
0.1UF
1 PCNT R142 8 RSLOPE R151 C118 10 1/10W 16V 16V 1/10W 5 PCNT 1 PCNT TOTAL OPERATING CURRENT = 32MA
10 PCNT 1/10W 100K R143 10 SS_SD 2.21K 0.1UF 1 PCNT 200V 1/10W
Q12 1 PCNT 63.4K 5 9 1 PCNT 10 PCNT D23 3 6 R164 U16 LM78L12A
25V SYNC FB 1/8W MBR230 D43 D7
MMST3904 1/10W 1 PCNT 1/10W 25V D35 1.13K 5 8 1 PSU-BIAS
R168 IMBD4148 VIN VOUT

14
R137 1/10W UCC2893 1 PCNT B5 ES1D IMBD4148
17.8K Q11 C21 1/10W T2 C148
MMST3904 10 VDD
R141 R149 C115 0.1UF PSU-VSW C90 C145 1.0UF
6

1 PCNT 1 PCNT
C107 C110 10 PCNT 20 PCNT U15

2
3
6
7
1/10W 7.87K 63.4K 1.0UF 1/8W B6
0.1UF 1000UF
0.1UF 10UF 1 PCNT 1 PCNT 20 PCNT 7 U3 25V 6 10 PCNT 20 PCNT 16V
UCC2893
D22 10 PCNT 20 PCNT 1/10W 1/10W 16V
MOC205R2V-M
D24 25V 16V PGND GND
IMBD4148 25V 25V MBR230
PRI_LO
5

6
11
A A

SIZE CAGE CODE DWG NO. REV

C1
C
SCALE NONE
00PW4
CAD FILE NO.
SH-003311-00
SHEET
AR-003311-00.ZIP 5 OF 5

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