Kenwood kac-8403 Service Manual page 6

K
KAC-8403
PC BOARD (FOIL SIDE VIEW)
1
PREAMPLIFIER UNIT X08-4200-12 (J76-0070-12)
A-ISO-GND-1
2
W65
OFF
3
W134
LPF
W69
4
5
6
PREAMPLIFIER UNIT X08-4360-10 (J76-0379-02)
7
6
L
CN1
TP179
TP177
FAN+B
+15V
TP176
A-ISO GND-2
1 17
2 16
B-ISO-GND-2 TP180
LOGO-LED
TP7
B-ISO-GND-1 W34
TP175 TP187
AMP-AL
TP9
ISO-AL
AMP-AR
W131
W29
W66
W67
W64
ST MONO
W44
1 3
200mV
4 6
W130
5V
R243
R244
W45
R227
ON
W33
6 4
3 1
W49
W46
W68 R226
W41
OFF HPF
200Hz
6 10
50Hz
5 1
W38 W27
W42
AB A
W43
200Hz
1 3
50Hz
4 6
W50
W132
W51
ST MONO
Bch LOW PASS
200mV
1 3
5V
4 6
W52
W128
R121
OFF HPF
R127
6 4
R128
3 1
W57
200Hz
W60
50Hz
Ach HI PASS
W32
R124
W53
R123
W54
M
R601
R224
C229
W124
C210
R216
R220
R208 R202
C206
W116
TP266
4 1
IC8
5 8
TP269
W123
R219
R237
R217
W4
TP262
C211
R233 R247
R229
C222
4 1
IC4
5 8
R228
TP263
C212
W106
R248
R222
C220
W8
R203
R147
R240 C230
TP256
C103
R133 R129
R246
R141
TP253
4 1
4
IC1
IC5
5 8
TP255
5
R126
C124
TP301
R130
C104
CN2
D600
2 1
N
W5
R206
4 1
IC7
5 8
R205
C225
TP257
C215
R212
TP258
TP259
4 1
IC6
5 8
TP302
R213
W6
X08-4200-12
1
Ref. No.
CN3
IC1
8
IC4
R142
C118
IC5
IC6
IC7
IC8
CN1
3 1
Refer to the schematic dia-
gram for the values of resis-
tors and capacitors.
O
Address
5M
4M
5N
4N
3N
3M