R353
475
R350
475
R351
10.0
R352
392
C220
470PF
R347
953
C219
180PF
R379
2.21K
R348
681
A
AA
3
2
6
1
7
5
8
4
U135
EL2120
C210
0.1UF
7
6
9
8
11
10
5
U132B
AD602
C209
0.1UF
R355
274
+12V
-12V
A
A
A
R362
392
R356
10.0
R358
392
C222
270PF
C221
100PF
R357
232
A
A
4VP-P
EQ OUT
TP19
R386
33.2
TP17
F3
11
EQ_OUT
A
A
A
3
2
6
1
7
5
8
4
U134
EL2120
C208
0.1UF
R361
392
C207
0.1UF
+12V
-12V
A
R378
15.0K
3
2
6
1
7
5
8
4
U133
EL2120
C205
0.1UF
C206
0.1UF
C216
0.1UF
R346
1.00K
+12V
-12V
A
A
+5VA
A
A
2
3
16
1
14
15
13
12
4
U132A
AD602
C215
0.1UF
A
A
A
-5V
A
R486
274
VR1
6.2V
R485
1.00K
R381
15.0K
C217
82PF
L18
2.2UH
C218
430PF
H3
6
E4
6
R380
221
EQ_IN
GAIN
A
AA
A
R373
1.21K
R374
1.21K
A
G5
8
F2
8
EQ_LEVEL
EQ_LVL
C10
0.1UF
C9
0.1UF
R487
1.00M
R22
10.0K
C11
0.1UF
R451
2.21K
CR34
CR35
2
3
1
8
4
U3A
MC34082
+12VA
A
A
R8
475
C8
0.1UF
C7
0.1UF
R476
2.00K
3
2
6
1
7
5
8
4
U2
AD829
+12V
A
A
A
+.9V
R371
750.0
Q10
C5
100PF
R19
100.0
+12V
R21
200.0
SIG+ IN
1
SIG- IN
4
CAR+ IN
8
CAR- IN
10
GAIN 1
2
GAIN 2
3
BIAS
5
V-
14
OUT+
6
OUT-
12
NC
7
NC
9
NC
11
NC
13
U136
1496
C213
0.1UF
R364
1.21K
R365
1.21K
+5VA
-5V
-5V
1VP-P
R375
200.0
C214
0.1UF
R367
1.00K
R376
200.0
A
A
R395
200.0
R366
1.78K
R377
221
+5VA
A
-12V
-.9V
Q11
R370
750.0
C211
0.1UF
C6
100PF
R17
100.0
R396
100.0
R385
44.2K
6
5
7
U3B
+12V
A
A
R475
2.00K
G5
8
-12V
-12V
A
A
R452
2.21K
EQ_AGC
AGC ERROR AMP
C212
0.1UF
R384
39.2K
R382
100.0K
R383
100.0K
-12V
-12V A
AM 700 AUTO EQUALIZATION
PART OF A3 DIGITAL AUDIO BOARD
12
VARIABLE GAIN
PEAKING AMPLIFIER
EQ ERROR AMPL
LIMITER
DIFFERENTIATORS
ABSOLUTE VALUE
AMPLIFIER
LOW PASS FILTER
AGC AMPLIFIER