Kenwood KAC-6402 Service Manual page 6

A
KAC-6402
1
2
LINE IN
3
4
5
6
7
6
X09-5890-10 (1/3)
B
(X09-5890-10)
D32
J1
B R L
A R L
D33
D34
15.0V
TP23 TP63
C103
R101 10u50 R105
5 8
BL
+
1K 1K
6
IC1(2/2)
TP64
R109 12K
BUFF
TP24
BS
R110 12K
IC1(1/2)
2
TP25
C104 R106
R102 10u50 1K
3
BR
+ 4
1K
TP71
-15.0V
D35
J2
9 10
7 8
SP
R327 C313 R323
INPUT 47K 10u50 51K
5 6
9
+
3 4
R329 C315 R325
47K 10u50 51K
7
1 2
+
R330 C316 R326
47K 10u50 51K
3
+
R328 C314 R324
47K 10u50 51K
1
+
D36
15.0V
TP122 TP76
C303
R301 10u50 R305
5 8
AL
+
1K 1K
6
IC3(2/2)
TP78
R309 12K
TP121 BUFF
AS
R310 12K
IC3(1/2)
2
TP120
C304 R306
R302 10u50 1K
3
AR
+
4
1K
TP85 -15.0V
D37
C
25.0V
15.6V
D4
TP57
Q3
R5
2.2K
R6
D5
2.2K
-15.6V Q4 -25.0V
TP60 R1 8.2K
R2 8.2K
TP358
TP359
DC/DC CONVERTER
B
+B
15.0V
IC2
TP65 TP66
(2/2)
R111
10K
7 5 8
C111
47u25
7
+
6
R117 10K
TP67
R113 10K C109 100P
C100 1000P
ISO
TP69
R100 1K
TP74
R114 10K C110 100P
R118 10K
IC2(1/2)
2
C112
47u25
1
R112
10K +
1 3
4
-15.0V
TP72 TP73
TP29
R123 C113 R127
51K 10u50 47K
TP33
10
+
R125 C115 R129
51K 10u50 47K
8
+
TP30
R126 C116 R130
TP34
TP31
51K 10u50 47K
TP35
4
+
R124 C114 R128
51K 10u50 47K
2
+
TP36
TP32
15.0V
IC4
TP77 TP79
(2/2)
R311
10K
7 5 8
C311
7 47u25
+
6
R317 10K
TP80
R313 10K C309 100P
C300 1000P
ISO
TP81
R300 1K
TP82
R314 10K C310 100P
R318 10K
IC4(1/2)
2
C312
47u25
1
R312
10K +
1 3
4
-15.0V
TP87 TP86
D
Q5
R10
L2
56
C15
3300u16
+
C9
3300u16
+
Q6
R11
56
IC9
TP253
(2/2)
TP223
5
7
6
R153
10K VR1
INPUT SENS.
S3
IC9
C35
(1/2)
0.01
ST/MONO
3 8
1
2
4
-15.0V
R154 10K
C150 47P
TP255
IC5
TP353
(2/2)
TP323
5
7
6
S1
R353
10K VR2
A/AB
INPUT SENS.
S2
IC5
C39
(1/2)
0.01
ST/MONO
3 8
1
2
4
-15.0V
R354 10K
C350 47P
PHASE INVERTER
E
Q11
Q7
Q9 D6
Q10
Q12
Q8
14.4V
TP225 TP226
R159 20K
IC10
(2/2)
R157
10K
6
R161
7
5
10K
TP233
R163
2.2K
TP234
VR3
TP249
R155
430
TP250
R156
R16
2.2K
430
TP230
IC10 (1/2)
R1
3 8
10
1
TP251
2
4
R158 R160
15.0
10K 20K
-15.0V
TP227 TP228
TP325 TP326
R359 20K
IC6
(2/2)
R357
10K
6
R36
7
5
10K
TP333
R363
2.2K
TP33
VR4
TP349
R355
430
TP350
R356
R36
2.2
430
TP330
IC6 (1/2)
R
3 8
1
1
TP351
2
TP327
4
R358 R360
10K 20K
15
-15.0V
TP328