Kenwood KAC-8103D - Amplifier, Service Manual

Page: 7 / 14

KAC-8103D
7
J I H G F
X09-8600-10 (2/3)
Q607
Q9
Q11
Q10
Q8
Q4
Q604
Q606
Q605
Q611
Q37
Q38
Q408
Q416
Q5
Q407
D17
Q601
Q600
Q409
Q404
Q400
Q403
Q401
Q406
Q602
Q6
Q12 Q13
Q20 Q19
D610
D3
Q414
Q415
Q402
Q405
Q417
Q612
Q410 Q412
Q411 Q413
IC14
(2/2)
I.S.F
OFF/15Hz/25Hz18dB
S3
INPUT SENS
L.P.F
50-200Hz 24dB GAIN=0
(1/2)
IC14
(1/2)
IC18
(2/2)
IC18
IC15
(2/2)
I
(
B.
0-
D304
D308
D306
D307
D305
D400
D604
D601
D611
D613
D612
(4/4)
IC13
(1/4)
IC13
D600
D407
D403
D404
D405
D406
D-SWITCH
D13
D9
D11
D12
POWER
IND. RED
D303
D10
IC64
(1/2)
D608 D607
OVER CURRENT
PROTECTION
D-AMP ON/OFF
LOW: OFF
DC/DC
CONT.
MUTE
TP33
TP1
TP2
TP305
P306
5
TP608
TP609
TP6
TP69
TP72
TP71
TP77
TP78
TP88
TP89
5
TP75
TP76
L2
TP201
TP200
VR1 10K(A)
1 2
3
4
6
5 8 9 7
VR2
50K
TP13
TP12
TP3
TP7
TP5
TP4
TP14
TP9
TP6
TP10
TP16
TP8
TP37
TP38
TP39
TP41
7 10
3 1 4 29
8
56
11 12
TH1
TP47
TP48
TP49
TP50
TP58
TP59
0.01
C210
0.01
C213
0
1
1u50
C202
1u50
C205
5
6 8
4
7
30K
R205
24K
R214
6
4 1 2
3
9 7 5 8
0.01
C214
0.01
C215
10K
R219
8.2K
R220
150K
R222
R221 10K
2
3
1
3
2
1
0.15
C209
9.1K
R224
100K
R226
0.15
C212
7.5K
R225
4
6
5
8
7
6
5
7
0.1
C220
240
R231
4.7u50
C221
2.2K
R233
3 6
4 1 2 9 7 8
R206 10K
1.8K
R405
10K
R402
1.8K
R406
470
R409
51
R411
100
R420
100
R414
750
R410
150
R412
180
R417
47K
R415
10
R418
10
R419
510K R624
1000P
C611
3.3K
R625
3.3K
R627
1000P
C600
15K
R602
4.7K
R603
R600 27K
2.2K
R601
TP51
4.7 2W
R203
0.022
C100
0.022
C116
C198 10
10K
R642
2.2K
R643
0.01
C615
C602 0.68
R604 220K
C603 0.01
2W 2W
1000P
C610
6.8K
R623
3.3K
R626
13
12
11 1
2
3 1K
R632
330K R634
1K
R629
10K
R630
0.047
C620
R633 10K
0.01
C631
10K
R635
5
6
7
8
V+
4
3
2
1
V-
51
R400
51
R413
10
R423
10
R424
47K
R416
910
R408
680
R407
680
R440
C405 0.1
C401 0.1
56K
R422
47u50
C404
47u50
C403
5.6K
R421
47u50
C402
2W
R426 0.05
2W
3300u16
C18
3300u16
C17
33
R41
4.7K
R43
4.7K
R44
1.5K
R38
33
R42
1
2
3
4
5
6
7
8
IN1+
IN1-
FBACK
DTC
CT
RT
GND
C1
16
15
14
13
12
11
10
9
IN2+
IN2-
REF
OUTCTRL
VCC
C2
E2
E1
2.2u50
C11
47u50
C24
6.8K
R19
680K
R18
150K
R23
R15 27K
C10 0.1
0.1
C12
0.1
C13
47u50
C14
10K
R24
1K
R25 10K R27
33K R11
75K
R12
C4
100
R13
C5
10K
R14
00
1
C6
2.2K
R73
0.01 C15
K
63
3.9K
R211
10K
R213
47K
R216
10K
R207
1K
R218
430
R217
0.033
C211
7.5K
R223
0.033 C216
5 VR3 10K(C)
150K R230
10K
R234
6.2K
R306
10K
10K
R401
4.7K
R404
4.7K
R403
+82V
+65V
10K
R645
20K
R654
1K
R608
10K
R605
0.01
C630
C197 10
3300P
C195
3300P
C196
R655 10K
56
R39
56
R40
1.5K
R37
82K R16
10K
R20
6.8K
R22
1000P
C16
20K
R21
4
W500
3
2
1
100
R26
1.2K
R17
1.5K R74
R438 0.05
C7 0.01
0.01
C634
SW5V SW5V
+15V_1 +15V_1 +15V
+15V_2
+15V_2 +15V_2
-15V_2 -15V_2
+65V
+65V
+65V
+65V
+82V
+82V
-65V
-65V
-65V
+14.4V
+14.4V +14.4V
+14.3V
+14.3V +14.3V
+14.3V
+14.3V
-15V_1 -15V_1 -15V_1
3.9K
R305
0.05
R425
0.05
R439
1000P
C618
10K
R29
+65V +65V
+65V
R617 100K
100K
R607
1500P
C619
2
8
3
C
1
0
TP20 TP24
0.01
C632
SW5V
+
+
+
+
+
+
+
+ +
+
+
IC62
IC1
15.0V -15.0V
15.0V -15.0V
82.0V
65.0V
HB 82V (MAX97V)
2.5V
5V
0V
0V
5V
0V
5V
1
15V
15V
3.5V
15.0V
0.7V
0.7V
0V
3.3V
14V
0V
14.3V
3.8V
0.2V
0V
1.25V
14.2V
14.2V
5.0V
1.25V
5V
0V
5.0V
15.0V
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299