1. ALL CAPACITORS IN MICROFARADS (EXCEPT AS NOTED).
9. CUT THIS TRACE ONLY IF H2 IS USED FOR BRIDGE
R109/R110 RESPECTIVELY UNIT WARM, 120 VAC LINE.
8. ADJUST P1/P51 FOR 6mV (±0.2mV) DROP ACROSS
2. ALL DIODES ARE 1N4003 (EXCEPT AS NOTED).
6. T1 IS: 15-50098 FOR FX MIXERS.
NOTES: UNLESS OTHERWISE SPECIFIED
5. ADDED AS SECONDARY OPERATION.
RELAY THRESHOLD
LABELS NOT USED
LAST USED LIST
MONO PHASING.
Ch.2 51-100 Sys. 101-200
POWER MODULE
63V
63V
Ch.1 1-50
TO THERMAL
C. McEUEN
220µF
1N4745A
1N4745A
CH1 OUT
CH2 OUT
3.07Vrms
PROTECT
-20 VDC
1N4745A
1N4745A
-20 VDC
1N4756A
10,000µF
560pF
560pF
+15VDC
-15VDC
+15VDC
+15VDC
-15VDC
MPSW42
MPSW42
MPSW92
2N5400
0.22µF
MPSW42
MPSW42
MPSW92
MPSW92
2200µF
MPSW92
TIP31C
2200µF
Desig.
OUTPUT
OUTPUT
+15VDC
-15VDC
TIP32C
0.22µF
0.22µF
TIP32C
TIP32C
0.22µF
BRIDGE
SWITCH
1N4735
N/U
0.22µF
10,000µF
+15VDC
-15VDC
SWITCH
1N4737
1N4734A
1N4737
1N4734A
0.56
Ω
0.56
Ω
120pF
470µF
120pF
120pF
470µF
120pF
MR502
MR502
470µF
MR502
MR502
470µF
102.B
102.A
101.A
101.B
0.05
Ω
0.05
Ω
AUDIO
INPUT
15N20
15N20
2.5uH
2.5uH
AUDIO
INPUT
15N20
15N20
0.56
Ω
H1-10
N/U
0.1µF
0.1µF
A1.A
A2.A
470
Ω
470
Ω
1.8K
150
Ω
150
Ω
150
Ω
R105
R103
R106
Z103
Z104
R107
270
Ω
R120
R119
R118
R121
R117
R116
R115
R113
R114
R111
R112
Q105
J175
100K
100K
7.5K
360K
360K
360K
360K
680
Ω
10µF
47µF
82pF
470
Ω
470
Ω
1.8K
150
Ω
150
Ω
150
Ω
150
Ω
150
Ω
D110
C115
C114
C113
Q106
D109
C112
100K
680
Ω
C110
C107
C105
D101
D103
82pF
47µF
10µF
10µF
R108
R104
120
Ω
Q102
D102
D104
D105
D106
D107
D108
C111
C106
C108
10µF
QC11
QC12
Q103
A2.B
A1.B
8P20
R109
R110
CLIP
H1-8
H1-2
H1-7
CLIP
BLUE
D111
CH 1
2.2K
4.7K
6.8K
4.7K
2.2K
8P20
P101
10µF
CH 2
2.2K
4.7K
6.8K
4.7K
2.2K
8P20
8P20
H1-1
3.07Vrms
H1-5
H1-4
H1-3
H1-6
QC14
QC13
OPT.
QC10
LAMP
LAMP
C116
H2.1
H2.2
H2.4 H2.3
H1-9
H3-1
H3-2
R123
39pF
39pF
39pF
39pF
R124
R125
560
Ω
100K
Z105
C101
C102
R101
Z101
T101
C117
R126
Q101
C103
C104
C109
R102
Z102
2.2K
JMP3
JMP4
JMP1
JMP2
JMP*
JMP*
WIRE
C118
C119
C120
R61
R63
R66
R65
R70
R64
R67
R69
R60
R57
R58
Z51
R74
R72
R75
R68
22K
22
Ω
K51
R79
10K
100K
100K
100K
R62
10K
8.2K
R51
R53
R52
R55
R59
8.2K
10K
10K
QC3
QC4
YEL
YEL
50V
16V
R24
R22
R25
R27
R20
R16
R15
R17
R21
R13
R11
R10
R19
R12
R18
R14
22K
Q11
Q10
QC7
QC6
QC5
Q60
Q56
Q61
Q57
R77
50V
R71
Q53
C57
16V
C56
Q52
Q54
10K
C52
C53
C54
50V
16V
25V
50V
C51
22
Ω
Q55
25V
16V
Q51
P51
L51
RED
GRN
QC8
102
101
106
101
CH1
CH2
GND
QC9
JMP
GRN
GRN
ORG
R30
50V
FAN
DC
47
Ω
C10
C59
C60
105
QC1
QC2
BLK
BLK
Q58
Q59
R23
R26
R73
R76
R78
100K
10K
50V
N/U
N/U
N/U
N/U
N/U
N/U
C55
D51
D52
Z53
Z52
5K
5W
1K
1K
1K
1K
V+
V-
K1
100K
V+
R2
R1
V+
C1
C2
C3
C4
C6
C7
R9
Z1
5K
1K
Q4
Q2
1K
1K
Q5
1K
5K
Q3
Q6
Q7
R8
R5
R7
R3
R4
5K
5W
Q1
5W
5W
5W
5W
P1
L1
QC
51
51
51
--
11
--
--
--
--
61
--
--
V-
5K
5K
14
BK
BN
S1
5K
C9
10
60
N/U
Q8
Q9
CW
CW
C5
D1
D2
Z3
Z2
--
52
53
C121
10pF
2
–
3
+
1
2
–
3
+
1
B
B
A
C
D
H
Q
R
T
Z
P
B
B
B
B
B
G
D
S
G
D
S
G
D
S
G
D
S
+
+
+
+
6
–
5
+
7
2
–
3
+
1
2
–
3
+
1
6
–
5
+
7
6
–
5
+
7
6
–
5
+
7
K
L
1
1
1
2
–
B
+
+
C
D
R
+
+
B
Q
9
Z
8
8
7
B
B
T
+
+
2
3
10pF
D112
+15VDC
+15VDC
D113
122
2
4
31
5
4
C122
+
470µF/16V
THERMAL
FAN CONTROL
R56
R81
C58
330
Ω
1.5K
.01µF
C8
R31
.01µF
R6
330
Ω
1.5K
JMP5
H4.1
H4.2
B
THERMAL
SWITCH
R122
R54
-15 VDC
100K
+15VDC
12K
R127
D114
100K
114
127
81
104
500W STEREO
15JAN90
30-10028
80-05028
1/2W
80V
80V
N/U
N/U
N/U
N/U
N/U
N/U
N/U
N/U
N/U
N/U
N/U
N/U
31.7Vrms
(250W @ 4
Ω
)
(250W @ 4
Ω
)
31.7Vrms
28, 29,80
7. ADJUST P101 FOR XXX Vdc (±0.1 Vdc) AT A102 PIN 2.
N/U
N/U
N/U
CH1-1
CH1-2
CH2-1
CH2-2
1N4007
1N4007
G
C. MCEUEN
3. ALL RESISTORS IN OHMS.
4. A1, A2, A101, AND A102 ARE MC33078 OP AMPS.
O
2DEC94
1/2W
12340 WORLD TRADE DR.
SAN DIEGO, CA 92128
(619) 487-1600
FAX 487-6629
REVISED BY:
APPROVED:
DRAWN BY:
DATE:
DATE:
ASSY.
DATE:
ARVIN
REV:
REV:
NO:
PCB
NO:
C
