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+15VDC R7 2.2K R9 4.7K R11 470 R2 10K C8 3.07Vrms CH 1 AUDIO INPUT CH1 CLIP OUTPUT H1-8 .01µF R31 1.5K C2 120pF R1 8.2K 5 6
!-

R15 1.8K

D1 Q4 MPSW42 Z2 1N4737 R20 5K 5W

V+ R22 150 Q6 8P20 Q8 N/U N/U R24 150
S G D

THERMAL SWITCH CH1-1 CH1-2 CH2-1 CH2-2 H4.1 TO THERMAL SWITCH

Q2 MPSW42 R16 1K

R23

Q10 8P20 L1 JMP* N/U 2.5uH V+15VDC C112 R111 100K D112 1N4007 R112 100K 3 C120 10pF -15 VDC R113 12K 5K 7.5K
+15VDC

R13 470

C9 39pF

K1

B QC11 BN CH1 OUT 31.7Vrms (250W @ 4) H4.2

R5 10K C5 560pF R3 680 5 R4 100K R8 2.2K 4.7K MPSW92 R18 1K -15VDC C4 82pF 6
!+

CW 8 P1 5K Q1 TIP32C R12 6.8K Z1 1N4745A R10 Q3 + C6 470µF 16V

C7 120pF

JMP2 N/U

R122

7

P101

R118

JMP5

R19 22K R25 C10 39pF 150 R26 R21 5K 5W N/U D2 R27 150 Z3 1N4734A JMP3 N/U JMP1 N/U V+ Q7 15N20 Q9 N/U Q5 MPSW92
D G

H1-1 C1 10µF 50V

C3 7 47µF 63V

R6 330

A1.B
+

A2.B 7

R14 1K

R17 1K

R109 15N20 0.05 5W S

Q11

R110 0.05 5W

0.22µF C113 0.22µF

360K 2 2
!-

D109 1 C114

R126 10K 3

!-

RELAY THRESHOLD

101.A
+

102.A 1 + Q106 2N5400

H1-6 PROTECT -20 VDC

R114 360K C121 10pF

0.22µF R119 B B 100K R120 10K

R30 0.56

H2.1 N/U H2.2 N/U

C117 0.22µF C116 R72 150 Q56 8P20 Q58 N/U +15VDC
S G D

R79 100K 6 R78 100K D113 1N4007 5

R115 360K
!-

B Q105 J175 R124 +15VDC 560 R117 100K Z105 1N4735 C115 10µF 50V B B 6 5 D111 R125 100K
!-

D110 7

R127 100K

D114

101.B
+

BRIDGE SWITCH S1 R57 2.2K

+15VDC

R65 1.8K

D51 Q54 MPSW42 Z52 1N4737

0.22µF

R116 360K

B 7

R121 100K

B

R59 4.7K H2.4 H2.3 N/U N/U R52 9 C58 3.07Vrms C51 CH 2 AUDIO INPUT CH2 CLIP OUTPUT BLK H1-2 10µF 50V .01µF R81 1.5K 10K C52 C55 120pF R51 8.2K 3 2
!-

R73 N/U

102.B
+

Q52 MPSW42 R63 470 R66 1K C59 39pF R70 5K 5W R74 150

B

Q60 8P20

R61 470 R55 10K C54 82pF 2 3 R54 100K
!-

WIRE JMP* N/U L51 2.5uH

K51 QC12 BK CH2 OUT 31.7Vrms (250W @ 4)

CW 8

P51 5K Q51 TIP32C

C57 120pF + C56 470µF 16V R64 1K

R69 22K R67 1K C60 39pF

C53 1 47µF
63V

R56 330

560pF R53 680

R62 6.8K 1 Z51 1N4745A R60 4.7K R58 2.2K

JMP4 N/U R75 150 R76 Q59 N/U Q57 15N20
G

D

Q61 15N20

+15VDC

C118 0.1µF C119 0.1µF

A1.A
+

A2.A
+

S

-15VDC

H1-7

Q53 MPSW92 R68 1K Q55 MPSW92 R71 5K 5W

D52

N/U R77

QC1 C101 N/U Z101 N/U Q101 N/U R101 N/U C102 N/U THERMAL FAN CONTROL

Z53 1N4734A

150

T101 T N/U

-15VDC H1-3

BLK

QC2

FAN DC

H3-1 H3-2

R123 47 C122 + D101 MR502 D103 MR502 C105 2200µF 25V 2200µF 25V GND OPT. B R104 270 + R103 270

TIP31C Q102

R105 0.56 D105 D106

R107 22 +

+15VDC C110 10µF 50V

LAST USED LIST
Desig. A C D H JMP K L P Q QC R T Z
ORG

Ch.1 1-50
2 10 2 -2 1 1 1 11 -31 -3

Ch.2 51-100 Sys. 101-200
60 52 -4 51 51 51 61 -81 -53 102 122 114 4 5 --101 106 14 127 101 105

YEL

B QC3

470µF/16V

C107

470µF 16V

Z103 1N4745A Z104 1N4745A D107

YEL LAMP LAMP

QC4 QC13 QC14 D102 MR502 -20 VDC D104 MR502 C106 +

H1-4

C108

470µF 16V

Q103 TIP32C V+

R106 0.56

D108

R108 22 +

-15VDC C111 10µF 50V

9. CUT THIS TRACE ONLY IF H2 IS USED FOR BRIDGE MONO PHASING. 8. ADJUST P1/P51 FOR 6mV (+0.2mV) DROP ACROSS R109/R110 RESPECTIVELY UNIT WARM, 120 VAC LINE. 7. ADJUST P101 FOR XXX Vdc (+0.1 Vdc) AT A102 PIN 2. 6. T1 IS: 15-50098 FOR FX MIXERS. 5. ADDED AS SECONDARY OPERATION. 4. A1, A2, A101, AND A102 ARE MC33078 OP AMPS. 3. ALL RESISTORS IN OHMS. 2. ALL DIODES ARE 1N4003 (EXCEPT AS NOTED). 1. ALL CAPACITORS IN MICROFARADS (EXCEPT AS NOTED). NOTES: UNLESS OTHERWISE SPECIFIED

CARVIN
DRAWN BY:

12340 WORLD TRADE DR. SAN DIEGO, CA 92128 (619) 487-1600 FAX 487-6629

500W STEREO POWER MODULE
DATE:

+ +

C. McEUEN
APPROVED: DATE:

15JAN90

PCB NO: ASSY. NO:

30-10028 80-05028 C. MCEUEN

REV:

G N 23NOV93

REV:

RED

QC5 H1-9 C103 10,000µF 80V C104 10,000µF 80V R102 2.2K 1/2W Z102 1N4756A VB C109 220µF 50V +

H1-5

REVISED BY:

DATE:

GRN GRN GRN BLUE

QC9 QC6 QC10 QC7

QC8

LABELS NOT USED
C D

+

H1-10

Q

104 28, 29,80

R Z