Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood Power Amplifier Car Power Amplifier Car Kenwood KAC-6201 B53-0009-00(SD)
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A B C D E
AUDIO UNIT (X09-5650-10) (A/3)
1 Q21
A-class power 29.0V
supply controller Q21
34.5V
R61
27K
1.5K
R74
29.0V
D27
R58
22K
+
1u50
680K
C39
R62
1.5K
R75
IC1 : UPC4574C Q1,2,7,8,19,23,24,35,36,38-40 D1-4,8,16-19,25-30,32,33,36-42
IC3 : NJM4565D : 2SC945(A)(Q,P) : 1SS133
IC4 : UPC494C Q3-6,37 : 2SA733(A)(Q,P) D7 : RD7.5JS(B)
Q9,10 : 2SC945(A)(Q,P) D9,10,34 : RD16JS(B)
Q11,12 : 2SC1627A D11,35 : RD8.2JS(B)
R64
27K
Q13,14 : 2SA817A D13 : FMU22S A
D12
Q17,18 : IRFIZ34G D14 : FMU22R A
100u35
+
Q21
R59
R60
: 2SC3940A(R,S) : 1N5406-M
C38
10K
D15
100
2 Q22 : DTA124EL D31 : RD5.1JS(B2)
Q25,26 : 2SA992(F,E)
Q29,30 : 2SC5100LB
Q31,32 : 2SA1908LB
Q41 : 2SC1845(F,E) 30.0V
(X09- ) (B/3)
SP IN
J3 CN1 C25
22u35
1
+ Q19 0.21V
2.2K
R41
R37
18K
Lch 1 C27 0V
22u35
2
+ Q19
C28
22u35 P-con
3 + detector
2.2K
R38
Rch 2 C26
R43 18K
22u35
4
+
D36
3
22u16
C13
18.1V
D1
D2
IC1 IC1
0V IC1
C5 (1/4) 0V Isolation amp.
10u50 5
(3/4) 0V
R11 R157 R7
7 2.2K 150 2.2K 10 4
+ 8 R21
6
9
22P
0V
C7
100
0.33u50
IC3
C11
22P
+
C17
0V IC3
R49 0V 0V L.P.F.
R9
(1/2)
56
R159 R13 R27 C19
10K 150 2.2K R19 4.7K 3 0.1u50
1
20K +
R31
6.8K
R33
22K
2 0V
4
R1 1K
-17.5V
18.1V 2 3 S2
4 INPUT
R28
4.7K 0V
R34
27K
SENSITIVITY R45 0V
W119
0V R35 R36 1K
S1 1 5 8
7 1
27K 27K
C1 1000P
6
R42 18K
VR1 5K
STEREO/L+R/L(MONO) 0V
2.2K
1.8K
R29
R47
R17
R44
20K
10K
10K
18K
R5
R3
IC3
(2/2)
R26 4.7K
0.022
C21
C22
0.12
HP/NORMAL/LP
W93
(X09- ) (C/3)
0.082
C20
RCA IN
J2 CN2 5
Lch 4 W125
W122
3 R15
1K 2 3
6 7
2
5 C15
R20
100
0.01
2.2K
R4
Rch
R16
20K
1
8.2K
R30
R32
R46
10K
1K
C2 1000P
R160 R14 R18
150 2.2K 20K C18
10K
R6
R48 0.47u50
R2 1K
10K
R10
0V +
56
2.2u50
0V
22P
C12
C16
0V
+
22P
C8
0V 13
2 R158 R8 14
C6 1 R12 150 2.2K 12
10u50 3
+ IC1
2.2K 0V 11 IC1
0V
D3
D4
-17.5V (4/4)
(2/4)
SIGNAL LINE
GND LINE
B LINE
6 B LINE
2SA733(A) NJM4565D UPC4574C UPC494C
2SA817A
2SA992
2SC1627A
2SC1845
2SC3940A B
EC
2SC945(A)
7
F G H I J
3)
1
34.5V IC4
10u50
+
2.7K
C41
4.7K
R61
R69
R63
27K IC4 5.1V
Switching regulator
2.35V 1 ERROR 16 0V Q17,18
D19
AMP Q38,39
R66 Power switching 3.38V
3.8V 2 15 Q37 DC protection
D26 Q39
+
1u50
680K
10K
C39
R62
Power 15.2V
14 Q18 DC/DC converter D13
switch
R124
REFERENCE
REGULATOR
0.1V 3 0V
13 390 T1 Q38
5.4V
2.2K
R65
R126
15.3V
1.5K
0.63V 4
10 1/2W
2200u35
R122
Q37
R166 5.6K
+
C46
12
TH1
0V
+
R68
47u16
680
0V
R64
27K
C40
C75
1000P 5
D28 E3
OSCILLATOR
R125
1.75V 11
1.5K
R53
R67 3.8V 6
R60
10K
15.1V
1.2K D25
2200u35
16K 10 Q17 D14 + 2
C47
1000P
C70
0V 7 0.57V 14.5V
8 9 0.57V R123
15.2V
6.8K
R73
390
1.2K
R54
15.3V 5.4V
R57
D33 D32 30K
R168
4.7K
0V 0.75V
R55
Q19 0.21V Q36 Q36 D7 3.3K
0V P-con detector 0V
Q40
0.1u50
D34
+
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