KAC-7202/7252
3
E
D
C
B
A
1
2
3
4
5
6
7
R603
R604
R601
R623
R624
W277
C57
C53
W276
W53
W54
W51
W62
W52
C113
W55
W58
C51
C112
C602
C152
C153
C155
C156
W274
R104
R109
R110
R111
R123
R124
R126
R163
C103
C104
C105
C106
C154
C157
R105
R106
R107
R108
R121
R122
R128
R152
R153
R154
R155
R156
R157
R158
R159
R160
R161
R162
C59
C58
C60
R131
R132
C117
C118
C109
C115
C110
C116
W151
W152
R133
R134
R135
R136
R139
R140
R146
R145
R143
R144
R148
R147
R129
R130
R137
R141
R142
R138
W61
W56
W57
W59
W60
W275
W257
W251
W264
W266
W273
W265
W256
W254
W263
W259
W260
W267
W258
W253
W262
W255
W252
W261
W268
W269
W270
W271
W272
41
8
5
1
4
58
58
1
4
41
58
41
58
85
14
41
58
W204
W203
W30
W36
W32
W5
VR62
3
1
3
1 3
4
2
C604
1
3
C603
W4
1
2
W8
W6
W14
W10
W25
W19
W26
W201
W202
0dB
VR102
BASS BOOST
18dB
W31
C107
VR61
1
W1
C124
W2
C123
W3
C54
W21
W7
C158
W11
LO
W P
ASS
W24
W22
W16
W15
HI PASS
VR152
1 4 6 3 5 2
VR101
W12
INPUT SENS
W20
W18
W9
C108
W17
W13
C52
W23
5
6
1
4
VR4
3
2
5
6
1
4
3
2
W28
W27
W29
W210
W207
W212
W34
W33
1
10
5
6
50Hz
W206
W205
200Hz
W209
W211
W208
200Hz
50Hz
W39
W35
1
4
3
6
W38
HPF
200 V
5V
OFF
LPF
MONO
W37
W40
ST
11
3
14
VR1-L
ISO-L
RCA-G
ISO-R
BB-L
-15V
BB-R
LOGO-LED
FAN+B
D-GND
+15V
VR1-R
ISO-GND-1
ISO-GND-2
1
TP164
TP11
TP12
TP7
TP9
TP5
TP1
TP2
TP3
TP8
TP10
TP13
TP14
TP15
TP105
TP106
TP107
TP113
TP114
TP115
TP116
TP117
TP118
TP119
TP121
TP126
TP127
TP152
TP153
TP154
TP155
TP156
TP157
TP158
TP159
TP160
TP161
TP162
TP163
TP63
TP64
TP62
TP61
TP60
TP65
4
3
6
5
2
D614
CN3
CN1
J1
FREQUENCY
BOOST
LEVEL
S6
S1
CN8
IC1
IC2
IC3
IC4
IC5
IC6
IC7
X08 B/2
PREAMPLIFIER UNIT X08-4190-1x A/2 (J76-0069-12)
X08-4190-1x
Ref. No.
Address
IC1
4C
IC2
4B
IC3
4B
IC4
2B
IC5
2B
IC6
2A
IC7
3A
PC BOARD (FOIL SIDE VIEW)
Refer to the schematic diagram for the values of resistors and capacitors.