Page 1
F3
10A
120/240 VAC
50/60 HZ
POWER
SWITCH
120
240
2.0V
2.0V
FAN
8
S4
ORG
BLK/WHT
AUDIO OUTPUT
CLIP OUTPUT
AUDIO INPUT
F1
F2
ORG/
WHT
BLK
7
CH 1
CH 1
CH 2
CH 2
CLIP OUTPUT
YEL
RED
YEL
GRN
YEL
RED
T1
PCB: 80-09008
C1
H1-1
10
H1-8
+15 VDC
D36
R36
100K
C35
10uF
H1-2
C51
10
R40
QC2
N/U
N/U
H1-7
QC11
QC10
RECTIFIER
R37
1 MEG
6
-
A3-B
+
5
R39
N/U
1N5402 1N5402
(MR502) (MR502)
1N5402 1N5402
(MR502) (MR502)
BRIDGE
R1
10K
R38
7
1 MEG
R51
10K
D37 D39
D38 D40
QC5
4700uF 4700uF
QC8
4700uF
QC9
Q1
J175
R2
18K
C2
120pF
6
-
7
A1-B
+
5
R10
100K
Q51
J175
R52
18K
C52
120pF
2
1
-
A1-A
+
3
R60
100K
+
C36
2200uF
25V
B
C37
+
2200uF
25V
C38
+++
80V 80V
C39
+
80V
C3
330
C53
330
6
6
C40
C41
4700uF
80V
R41
470
C48
+
.01µF
R42
470
C49
.01µF
C11
180pF
C61
180pF
R53
680
6
R3
680
0.56Ω
6
0.56Ω
R54
+
+
R4
-15 VDC
Q36
TIP3IC
C42
47uF
63V
C43
47uF
63V
Q37
TIP32C
V+
B
V-
+15 VDC
6
-
A2-B
+
5
-15 VDC
+15 VDC
2
-
A2-A
+
3
27pF
+
10K
C4
10pF
7
R7
10K
10K
C55
27pF
R55
+
10K
C54
10pF
1
R57
10K
+15 VDC
R44
0.56Ω
D41 D43
Z36
IN4745A (16V)
Z37
IN4745A (16V)
D42 D44
R45
0.56Ω
-15 VDC
R6
10K
C5
R5
6
R56
R8
2.7K
P1
5K
9
680Ω
R58 R61
2.7K
6
cw
P51
9
5K
R59
680Ω
QC6
QC7
2N5550
R11
470
Q2
TIP32
R9
TIP32
C6
470µF
16V
2N5400
2N5550
470
Q52
C56
470µF
16V
Q54
2N5400
C50
6
0.01µF 100V
H1-5 H1-4 H1-3
GND
6
C12
56pF
R13 R18
1K
Q5
2N5400
Q3
R14
1K
C7
56pF
R17
10K
R12
1K
R15
1K
2N5400
Q4
R16
2.2K
6
C62
56pF
R63
1K
Q53
Q55
2N5400
R64
1K
C57
56pF
R67
10K
R62
1K
R65
1K
2N5400
R66
2.2K
+15 VDC-15 VDC
1K
2N5400
R19
2.2K
C13
82pF
Q7
R68
1K
2N5400
R69
2.2K
C63
82pF
Q57
D1
R20
5K
5W
Q6
6
R70
5K
5W
Q56
SYS.
A
C
D
H
Q
R
T
Z
P
D2
1N4745A
C8
.0033
R21
R22
680
N/U
5W
C9
47uF
100V
R23
5K
5W
D51
D52/1N4745A
C58
.0033
R71
R72
680
N/U
5W
C59
47uF
100V
6
R73
5K/
5W
LAST USED LIST
36-50 &
86-100
4
47
45 57
2
38 14 64
50 & 86
1
39
R24
150
R25
150
R26
150
Q8
W33N20 W33N20
D3
Z1
IN4733A
(5.1V)
R27
150
R28
150
R29
150
Q9
W33N20 W33N20
D4
Z2
IN4733A
(5.1V)
R74
150
R75
150
R76
150
Q58 Q60 Q62
W33N20 W33N20 W33N20
D53
Z51
IN4733A
(5.1V)
R77
150
R78
150
R79
150
Q59 Q61 Q63
W33N20 W33N20
D54
Z52
IN4733A
(5.1V)
CH.2 51-85
CH.1 1-35
6313
7
31
81
53
3
51
1
V+
Q12
Q10
Q11
W33N20
R31
10K
Q13
W33N20
R30
15K
CH 1
V-
D5 D7
V+
CH 2
9
D55
R80
15K
47uF/63V
R81
10K
W33N20
V-
9 ADJUST P1/P51 FOR 100mA (±25mA) IDLE CURRENT
UNIT WARM, 120 VAC LINE.
S4 IS A THERMAL CUTOUT SWITCH, LOCATED ON
8
HEATSINK (85° C CUTOUT).
7 T1 IS: 15-90098 FOR FET900 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.
C10
47/63
C60
QC 3
F1
C45
R46
1K
.22
Q38
MAC97
Z39
32V
T1
T
NOTE 2
C46
0.1
D6
R48
15K
D45
2
-
A4-A
+
1
3
C47
R47
.22µF
15K
D56
3.3K
R86R49
10K
6
-
A4-B
+
5
R50
1 MEG
C
ARVIN
QC 4
F2
V+
Z38
N/U
R43
N/U
C44
QC12
+
N/U
N/U
CH 1 OUT
QC14
QC 1
Q14
N/U
Z3
N/U
-15V
N/U
H1-6
7
D57
N/U
Z53
N/U
Q64
N/U
QC 13
QC15
34.6V
(300W @ 4Ω)
CH 2 OUT
34.6V
(300W @ 4Ω)
12340 WORLD TRADE DR.
SAN DIEGO, CA 92128
(619) 487-1600
FAX 487-6629
900 WATT
POWER MODULE
DRAWN BY:
S. MC KENNA
APPROVED:
PCB
30-09008
NO:
ASSY.
84-09008
NO:
REVISED BY:
LAST SCHEMATIC UPDATE 4APR96
DATE:
DATE:
REV:
REV:
AS BUILT (G)
DATE:
22 MAR 88
B
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