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D1

D2 /1N4745A V+

PCB: 80-04028
6 R13 1K R6 10K C5 6 C11 82pF CH 1 AUDIO OUTPUT 2.0V H1-1 C1 R1 10K 6 5 7 C3 330 180pF R3 680 R4 0.56 6 - 8 1 A2-B 5+ 4 27pF R5 10K Q2 TIP32 9 P1 5K R9 7.5K R7 10K CH 1 CLIP OUTPUT H1-8 +15 VDC D36 R10 100K R37 1 MEG 6 R38 7 1 MEG +15 VDC R63 1K Q51 J175 R52 18K C52 H1-2 C51 10 R51 10K 82pF 2 3
A1-A
+ -

C8 .0033 C12 56pF R18 1K R20 5K 5W R21 680 5W R24 150 R25 150 D3 Z1 1N4733A (5.1V) Q10 THI5N20 Q12 THI5N20

Q1 J175 R2 18K C2

+15 VDC

Q3 2N5550

C9 Q5 47uF 2N5400 100V Q6 2N5400

R8 2.7K

R11 560

C6 47/63V

R14 1K C7 39pF R17

R19 2.2K

10

A1-B +

QC14 R28 C13 6 82pF R23 Q7 5K 2N5400 5W 150 R29 150 D4 Q9 THI5N20
R31 10K

CH 1 OUT 34.6V (300W @ 4)

R12 1K

10K R15 1K

Q11 THI5N20

-15 VDC

Q4 2N5400 R16 2.2K

QC 1
C10

Z2 1N4733A (5.1V) D51 C58 .0033 R68 1K R70 5K 5W R71 680 5W R74 150 R75 150 Q60 THI5N20 Q62 THI5N20 D52/1N4745A

CH 1 V-

47/63 CH 2 9 V+ R30 15K D5 D55 D56 R80 15K C60 R81 10K 47uF/63V D6 R48

R49 3.3K

R86 10K -15V

Q14 Q2015R5 Z3 IN4733A (5.1V) D7 H1-6 D57 Z53 IN4733A (5.1V) Q64 Q2015R5

R36 6 100K A3-B 5 C35 10uF
+

C62 56pF

R56 10K C55 27pF R55 10K R58 2.7K R61 560 Q52 TIP32 C56 47/63V

Q53 2N5550 R64 1K C57 39pF R67 R62 1K 10K R65 1K Q57 2N5400

C59 Q55 47uF 2N5400 100V Q56 2N5400 R69 2.2K

15K D45 2 A4-A + 1 3 C47 R47 .22µF 15K

6 7 A4-B + 5 R50 1 MEG

6 C61 180pF

D53 Z51 1N4733A (5.1V)

QC 13

CH 2 AUDIO INPUT 2.0V

1

C53 330

R53 680 R54 0.56

2 3

-

8 4

A2-A
+

1

9

P51 5K R59 7.5K

QC15 R78 150 C63 6 82pF R73 5K/ 5W R79 150 D54 Q59 THI5N20 Z52 1N4733A (5.1V) +15 VDC R44 H1-3 C49 0.01 uF Z36 IN4745A (16V) Z37 IN4745A (16V) D42 Q37 TIP32C R45 0.56 D44 H1-5 H1-4 Q61 THI5N20

CH 2 OUT

34.6V (300W @ 4)

R57 CH 2 CLIP OUTPUT H1-7 R60 100K QC 3 R46 1K Q38 MAC97 T T1 NOTE 2 QC 4 QC11 QC10 BRIDGE RECTIFIER RED ORG/ WHT
YEL GRN YEL

-15 VDC

10K

Q54 2N5400 C45 .22

R66 2.2K

V+15 VDC

FAN

Z39 32V C46 0.1

D37 MR502

D39 MR502 +

C36 2200uF 25V

R41 470 C50 6 .01 R42 470 C48 .01 6 + +

Q36 TIP3IC C42 47uF 63V C43 47uF 63V

0.56 D41 D43 6

8 F3 10A POWER SWITCH S4 ORG

YEL

GND

B V+ D38 MR502 + D40 MR502 C37 2200uF 25V

QC5 C40 + 4700uF 80V 4700uF 80V

120/240 VAC 120 50/60 HZ 240

C39+ QC9

-15 VDC

V-

-15 VDC

QC6 QC7

BLK

RED

QC8 B

BLK/WHT 7 T1 SYS. A C D H Q R T Z P 9 ADJUST P1/P51 FOR 75mA (±25mA) IDLE CURRENT UNIT WARM, 120 VAC LINE. CH.2 51-85 8 S4 IS A THERMAL CUTOUT SWITCH, LOCATED ON HEATSINK (85° C CUTOUT). 7 T1 IS: 15- FOR FET400 AMPS. 6 ADDED AS SECONDARY OPERATIONS. 5. A3 AND A4 ARE 4558 TYPE OP AMPS. 4. A1 AND A2 ARE MC33078 OP AMPS. 3. ALL DIODES ARE 1N4003 (EXCEPT AS NOTED). 2. ALL CAPACITORS IN MICROFARADS (EXCEPT AS NOTED). 1. THERMISTOR MUST BE IN CONTACT WITH HEATSINK. NOTES: UNLESS OTHERWISE SPECIFIED.

C ARVIN
LAST USED LIST 36-50 & 86-100 4 50 45 2 38 50 & 86 1 39 CH.1 1-35

1155 INDUSTRIAL AVE. ESCONDIDO, CA. 92025 (619) 747-1710

FET400 POWER MODULE
DRAWN: S. MC KENNA DATE: DATE: 80-04028 84-04028 REV: 22 MAR 88

13 7 14 31 3 1

63 57 64 81 53 51

APPROVED: Assembly NO: DWG NO:

G

LAST PCN / DATE:

#324 / 11 APR 89

LAST SCHEMATIC UPDATE: 17 APR 89