Kenwood KAC-6201 Service manual

POWER AMPLIFIER
KA C-620 1
SERVICE MANUAL
© 2002-11 PRINTED IN JAPAN B53-0009-00 (N) 3540
3
ST/L+R/L(MONO)
(12dB/oct)
+LB
+HB
-HB
IC1(3/4)
L
R
SP
SP
HPF
HPF
S2-1
R
L
(4
60W
)
HPF/OFF/LPF
MUTE
Q1,2
S1
200mV
CONVERTER
DC/DC
BATT
Q36-40
INPUT SENS.
IC1(1/4)
IC1(2/4)
IC1(4/4)
(12dB/oct)
150Hz
IC3
LPF
S2-2
(12dB/oct)
150Hz
80Hz
HPF/OFF/LPF
P-CON
T1,IC4,Q17,Q18
Q19,21
KAC-6201

BLOCK DIAGRAM

ADJUSTMENT

KAC-6201
No. ITEM
Connect a cassette receiver or CD receiver.
1
IDLE
CURRENT
INPUT OUTPUT RECEIVER ALIGNMENT ALIGN
SETTINGS SETTINGS SETTINGS POINTS FOR
- between TP1 (L/R) VOLUME : 0 VR3 (L ch) 2.5mV (a)
Connect a DC voltmeter VR2 (R ch)
and J1(SP. OUT, L+/R-) (X09-)
SP. OUT
++
LR
J1
FIG.
VR2 (R)
VR3 (L)
TP1
(a) 2.5mV
DC voltmeter
R L
(a) 2.5mV
DC voltmeter
3
A B C D E
R58
R73
C41
R67
C42
C40
C37
R56
R68
R62
R69
R66
W65
W96
B
R54
E
BE
EB
R53
E
R167
R63
R65
R60
B
R59
W86
W87
W97
W98
R179
R70
EB
C
R1
B
R175
W91
W94
E
W92
W90
W89
C53
C49
R81 C51
R180
BE
EB
R87
W62
W80
C73
W81
BE
R1
B
B
R95
C57
W79
C55
R89
EB
C71
W78
R109
E
W63
W61
B
R113
C75
R126
GSDSGD
C50
R122
W20
W19
TH1
R99
W75
C48
C77
R57 B
W37
C38
R168
W34
W35
W95
W33
W32
W36
W88
R91
R83
C59
R85
R79
R161
W74
R75
R74
W71
W73
R98
W29
W30
W31
R124
R123 R125
T1
W28
W27
R82
E
R84
E
W18
C60
R94
R78
R90
W15
W17 W16
R86
B
B
R80
TP1
L
W76
W77
R105
R107
C61
EB
R97
R93
C63
R103
W72
W60
W57
R101
E
W58
W59
VR3
L
B
R100
C56
C62
B
R92
W69
E
W56
C64
R
21
E
W54
W55
B
W53
R102
C58
R106
W68
R104
R96
R88
BE
C74
R
VR2
E
W23
W22
W26
W48
W21
C70
C84
C100
E
R178
C82
B
W12
C46
W13
W14
W11
C45
L1
W129
R55
C47
W3
W4
W5
W2
W1
C67
R127
R114
W43
R176
W66
W52
EB
R172
W67
B
R108 W44
W51
W50
W49
R112
R174
C72
B W47
W64
E
W45
W46
E
W41
W8
W9
W10
W7
W6
W42
B
R128
W39
C68
W38
R164
EB
R163
W40
EB
R166
Q11
Q3
D37
Q35
D27
D28
D32
D34
Q36
Q19
D33
D19
Q21
D41
Q5
Q29
D17
D39
Q13
Q17
D13
D14
D26
Q18
Q37
Q40
D7
D12
D8
D11
D35
Q4
Q6
Q7
D29
Q9
Q30
Q10
D30
Q8
D25
Q26
E3
D15
Q24
D38
D42
Q12
D40
Q14
Q32
Q39
Q38
X09-5650-10 A/3
(J74-1043-31)
SPEAKER OUTPUT
FUSE
(25A)
POWER IN
BATTGNDP.CONLEFT
J1
RIGHT
1
2
3
4
5
6
PC BOARD (FOIL SIDE VIEW)
7
4
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