PEAKHOLD
SELECT_BAR
R856
1.00M
A1
3
SUM_ENABLE
AUX_ENABLE 1
2 3
16
15 14
9
10 11
8
7 6
13
5 4
U172
DG201
AUX
E1
1
B1
5
VAGC
2 - 3 L+R
1 - 2 -L
45 DEGREEMATRIX
R176
5.00K
J273
ORTHOGONALITYCORRECTION
R370
10.0K
R558
10.0K
R560
10.0K
CR559
CR558
5
6
7
U462B
MC34084
C369
2.2UF
GAIN CONTROL LOGIC
+12V
-12V
DIFF_ENABLE
AGCV
SUM(L+R)
DIFF(R-L)
AUX BAR SELECT
AGC_CONT
A1
5
2
3
7
6
8
5
1
4
U361
LM311
+12V
+5V
R359
2M
R358
10.0K
R362
10.0K
+12V
-12V
C458
4.7UF
R458
10.0K
R460
10.0K
CR459
CR458
2
3
1
4
1
1
U462A
MC34084
-12V
+12V
3
2
6
7
4
1
5
U368
LF351
R364
10.0K
R371
10.0K
+12V
-12V
R174
10.00K
R175
10.00K 2
3
1
4
1
1
U179A
MC34084
123
J273
-RIGHT
-LEFT
E4
1
E2
1
+12V
2 - 3 R-L
1 - 2 -R
J373
R474
10.00K 2
3
1
4
1
1
U379A
MC34084
R373
5.00K
123
J373
+12V
R463
20K
R366
100K
ORTHOGONALITY
R467
10.0K
R466
10.0K
R469
10.0K
R363
10.0K
R562
10.0K
R564
10.0K
CR565
CR566
10
9
8
U462C
MC34084
-12V +5V
CAL
AUTO
COMP
1
2
3
U161A
74LS08
4
5
6
U161B
74LS08
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0 15
Y1 14
Y2 13
Y3 12
Y4 11
Y5 10
Y6 9
Y7 7
U158
74LS138
-12V
+12V
MANUAL
+12V
R262
500
C165
4.7UF
AGCH
CAL
1
2 3
16
15 14
9
10 11
8
7 6
13
5 4
U167
DG201
R263
5.62K
R264
10.0K
R265
3.0K
3.0K
1.91K
1.91K
NOTE: R265
760A
760D
760N
C459
4.7UF
R563
10.0K
C461
2.2UF
B4
5
CR563
CR564
12
13
14
U462D
MC34084
-12V
R472
10.0K
3
2
6
7
4
1
5
U468
LF351
R470
10.0K
-12V
R374
10.00K
R375
5.00K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J413
+12V
MANUAL
PHLED
EXPAND_SCALE
C3
A3
2
D5
3
+5V +5V
R158
10.0K
R157
10.0K
HAGC
+5V +5V +5V
R170
10.0K
R169
10.0K
R168
10.0K
TRACE ROTATION
R604
180
J419
CONNECTS
TO P320
ON CRT
H1
7
1
2
J419
+12V
-12V
-12V
+12V R602
100
R603
100
TRACE ROT C502
.1UF
Q603
Q604
R400
20K
+5V
LA4
LA5
LA6
LA7
LA[4..7] LA[4..7]
CAL
AUTO
SUM_ENABLE
DIFF_ENABLE
AUX_ENABLE
F4
3
CONNECTS
A2
FRONT
PANEL
BOARD
8
J413
TO J110
760A/760D/760N STEREO AUDIO MONITOR MATRIX AND AGC CONTROL LOGIC
PART OF A3 MAIN BOARD
4