Kenwood KAC-8402 Service Manual page 6

K
KAC-8402/8452
QQ
PC BOARD (FOIL SIDE VIEW)
3 7 63 1515 0
1
PREAMPLIFIER UNIT X08-4200-10 (J76-0070-02)
A-ISO-GND-1
1
2
2
B-ISO-GND-1
W131
W66
W67
W64
ST MONO
1 3
4 6
3
W65
R227
OFF ON
6 4
3 1
W68 R226
W134
OFF
LPF
6 10
5 1
TE
L 13942296513
W69
AB
4
1 3
4 6
W132
ST MONO
1 3
4 6
OFF HPF
6 4
5
3 1
R123
6
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7
Refer to the schematic diagram for the values of resistors and capacitors.
6
L
CN1
TP179
TP177
FAN+B
+15V
TP176
A-ISO GND-2
17
16
TP180
B-ISO-GND-2
LOGO-LED
TP7
W34
TP175 TP187
AMP-AL
TP9
ISO-AL
AMP-AR
W29
W44
C229
200mV
W124
W130
5V
R243
R244
W45
W33
W49
W46
W123
W41
HPF
200Hz
50Hz
W38
W27
W42
A
W43
200Hz
50Hz
W50
W51
Bch LOW PASS
200mV
5V
W52
W128
R121
R127
R128
W57
200Hz
W60
50Hz
Ach HI PASS
W32
R124
W53
R126
W54
x ao
. i
M
R601
W5
R224
C210
R216
R220
R208
R202
C206
W116
TP266
4 1 4
IC8
5 8 5
TP269
R219
R237
R217
Q Q
3 6 7
W4
TP262
C211
R233
R247
TP258
4
R229
C222
4 1
5
IC4
5 8
R213
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
C124
TP301
R130
C104
u163
y
N
2 9 9 4
8
R206
1
IC7
8
R205
C225
TP257
C215
1 3 1 5 0 5 8 2 9
R212
TP259
1
IC6
8
TP302
W6
1
CN3
X08-4200-10
8
Ref. No.
R142
m
co
.
O
2 8
9 9
9 4 2 8 9 9
Address
IC1 6M
IC4 4M
IC5 6N
IC6 4N
IC7 3N
IC8 3M