Kenwood KAC-8404 Service Manual page 7

P
PC BOARD (FOIL SIDE VIEW)
PREAMPLIFIER UNIT X08-4430-10 A/2 (J76-0468-02)
R232
4
IC8
5
R231
C224
W54
W55
VR4
W56
B-SENS
200mV 5V
C227
S3
ST/MONO
X08-4430-10 A/2
Ref. No. Address
IC1 5S
IC2 4S
IC3 3S
IC4 2R
IC5 2S
IC6 2R
IC7 2R
IC8 2Q
IC9 2Q
Refer to the schematic diagram for the values of resistors and capacitors.
Q
R221
R223
R226
R224
C216
1 4 1 4
IC9 IC7
8 5 8 5
C215
R212
R225
C221
C223 C211
W31
W30
C222 C212
W29
W28
50Hz 200Hz
C229
W34
W47
W22
W244
VR3
W18
BF
W242
W239
W243
W231
R239
W281 W35
B.B
OFF/ON
S4
S6
L/OFF/H
W241
8
7
W233
W45
CN11
R
R207
R209
4 1
1
IC6
5 8
8
R210
R208
W902 C204
R204 R206
C118
R120 R121
4
4 1
IC5
IC4
5
5 8
R203 R205
C203
R240 R241
W901
C228
W223 W247
W249
W224
C226
W269
R117
R238
W216
R235
C119
R118
5V 200mV
C225
VR1
VR2
A-SENS AF
W268
W277
W229
W215
W230
200Hz 50Hz
W214
C115
R107
W278 R119
R101
R103
4
S2
S5
IC1
5
ST/MONO
L/OFF/H
R104
W26
R102
2
1
W20
S
KAC-8404
W204
W209
W6
W7
1
8
W3
W5
W9
C111
C112
W208 C104
C114
W201
4 1
IC3
5 8 W202
C113
C103
W211
R111
C106
R114
W212
4 1
IC2
W12
5 8
W213
R113
R105
1
8
R106
T
1
2
3
4
5
6
7
7