KAC-8402/8452
11
Y
X
W
V
U
1
2
3
4
5
6
7
X08-4200-10 (2/2)
CAUTION : For continued safety, replace
safety critical components only with
manufacturer’s recommended parts (refer
to parts list).
Indicates safety critical components. To
reduce the risk of electric shock, leakage-
current or resistance measurements shall
be carried out (exposed parts are accept-
ably insulated from the supply circuit) be-
fore the appliance is returned to the cus-
tomer.
• DC voltages are as measured with a high
impedance voltmeter. Values may vary
slightly due to variations between indi-
vidual instruments or/and units.
-15.0V
15.0V
15.0V
-15.0V
15.0V
15.0V
-15.0V
KAC-8402/8452 (2/2)
S5
IC6
(1/2)
(2/2)
IC6
HPF/OFF/LPF
IC4
(2/2)
(1/2)
S6
IC4
(1/2)
IC1
(2/2)
IC1
(1/2)
IC5
S4
INPUT
SENS.
PHASE INVERTER
INPUT
SENS.
PHASE INVERTER
LPF
HPF
27
3K
2
3
1
10K(C)
5
VR1
7
6
4
9
8
3
2
1
8
22K
R259
22K
R258
TP258
TP259
R211
1.5K
R212
2.4K
TP257
1.5K
R214
0.47
C203
6
5
7
4
C219 0.47
3K
R221
6.8K
R213
TP302
0.22
C204
47K
R222
47K
R237
10u50
+
C215
+15V
R247 47K
R233 56K
C222
0.01
TP263
C212
0.1
C214
0.22
R228
9.1K
R234
56K
1
3
4
R248
47K
4
5
6
7
C218
10u50
7
6
8
9
C211
0.1
R229
2
5
C213
0.22
TP262
9.1K
VR4
50K(C)
2
3
1
8
C217
10u50
S6
3
2
1
5
4
6
7
8
9
10
R241 8.2K
C220
10u50
+
2
1
3
5
4
6
7
VR2
10K(A)
8
9
470
R243
470
R244
TP270
10K
R246
2
3
1
C232
10u50
8
150P
C230
0.01
C224
100
R203
100
R239
TP300
8.2K
R242
0.01
C223
0.015
C229
BL
BR
7
10K
R130
C124
150P
TP255
4
6
10K
8
5
10u50
C132
7
R126
100
1
3
4
6
2
5
R128
470
470
AL
R127
AR
3
2
8
1
C117
10u50
+15V
8
9
10K(A)
VR3
2
3
5
6
8
10u50
+
C112
100
R121
0.015
C129
53
Rcont
0.01
C208
0.01
C207
10K
R240
R238
47K
VR2
10u50
+
C216
+15V
-15V
+15V
-15V
0.01
C221
11
12
+
+
+
+
+
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