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1
2
3
A
B
C
D
-15V
+15V
1
2
E
GND
3
+15V
R93
R94
4
1W00
W500
1K
220K
Mini
.
LD4
YEL
STANDBY
7
6399
8
LD3
RED
STANDBY
OPERATE
F
6398
3522
3522
GND
G
R84
R85
1K
10K0
.
.
R86
H
W250
10K0
.
+15V
R99
POWER AMP
W250
10K0
U4A
U4C
.
2
TL072
6
-
-
6882
V+
1
V-
3
5
+
+
I
-15V
GND
GND
J
K
1
2
3
4
5
6
7
W18
W18_
+15V
-15V
1
W18_A
8
W18A
8
2
W18_B
8
W18B
8
3
GND
W18_C
8
W18C
8
4
W18_D
8
W18D
8
.
.
.
.
7
8
W18G
W18_G
8
8
8
W18H
W18_H
8
SPLITTER
R103
10K0
.
R66
113K
RAD .2in
.
C37
2
10N
100V
R68
1M
V4A
.
R70
W250
2K2
.
C75
SPLITTER_267VDC
4X7MM .2in
4U7
63V
C76
GND
4X7MM .2in
4U7
63V
R104
R101
10K0
W250
.
2K2
.
R69
U4B
V4B
1M
TL072
C38
.
6882
7
7
R67
113K
10N
.
C2
100V
RAD .2in
SPLITTER
22N
400V
RAD POLY
R58
680R
GND
.
R59
470R
.
-15V
4
5
6
7
8
9
10
C4
22N
400V
RAD POLY
EL84
R111
9
R60
2W00
2
W250
220R
10K0
.
.
V5A
CTH1
R105
1W00
R106
100R
1W00
.
C47
100R
.
C52
100P
330U
100V
25V
10X13MM
W14_
V6A
EL84
R61
2
R112
W250
9
10K0
2W00
.
220R
.
BIAS MEASURES
W14
3VDC +/-0.5VDC
ACROSS R105/R109
D
P9B
P9A
4B
4B
MASTER
MASTER
100K
100K
4430
4430
D
C70
33U
16V
RAD .2in
8
9
10
11
12
13
RED_313VDC
SCREEN_312VDC
BLU
EL84
W7
R64
9
R114
2W00
CH1325M
2
W250
220R
1
10K0
.
3
W7A
.
1
V7A
2
3
W7B
BLU
R109
3
1W00
3
W7C
100R
.
R110
1W00
2
C69
RED
100R
25V
.
330U
CTH2
10X13MM
3
BRN
EL84
V8A
R113
2
R65
W250
9
10K0
2W00
.
220R
.
BRN
11
12
13
14
15
16
17
5
J5
1/4in JCK
W9
3498
SPK OUT
T
R
S
1
6
W9A
2
-
-
-
2
6
W9B
2
{Hz}
XF_P2
5
GRN
Part#
XF?
4
BLK
5
J6
1/4in JCK
3498
SPK OUT
T
R
S
6
-
-
-
Power Amp
Section:
YGL2
Product(s):
PCB#:
Rev#:
EML Rev#:
Sheet
Of
M666
V02
01
2
Modified:
File:
Tmp Rev:
10/29/2014
PowerAmp.SchDoc
V031
14
15
16
17
A
B
C
D
E
F
G
H
I
J
K
4
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