Kenwood Kdcf 331 Manual

21
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
EDCBA
1
2
3
4
5
6
7
W4
66
B .BOOST
VOL
AUD
AT T A U T O 1 117
2345 6SRC A
UX IN
AM FM
G
VCC VO
RST 18
D40
D31
D7
D32
D33
D34
D35
D36
D37 D38
D39
D41 D42 D14
D18
D12
D15
D20
D13
D16
D22 D21D17 D11
D19
D3
D6 D2
D5 D1
D4
D9/
D8
S2
ED1
J2
S1
IC3
SWITCH UNIT
X16-386x-xx (J76-0360-02)
B
EB E
R96
C10
R74
R80
R81
R82
C16
R31 R32R33
R34
R61
R62
R63
R72
C21
R21
R22
C11C12
C15
R3
R4
W1 W2
C25 C24
CP11
R1
R2
R11
R13
R14 R15
R16 R17
R18
R19...

22
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
FGHIJ
1
2
3
4
5
6
7
L401
R331R202R205
R206 R218
R225
R227
R309
R318 C11
C9
R105
R306
R317 R340
R965 R406
R598
TH1
R892
C3
C4
C12
C14
C101
C102
C202
C203
C204
C205
C806
C990R221
R17
R104
R108
R111
R113
R115
R201
R203
R211R212
R226 R228
R229
R320
R315
R409 R803
R806
R808
R952
R972
R347
R12
R13
R14
R16
R110
R114
R971
R204
R214R964
R223
R301
R303R316
R305
R307
123
224
11
27
2
26
2
R313
R310
R314
R312
R408
R599
R801
R802
R804R805
R807...

23
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
ONMLK
1
2
3
4
5
6
7
C506
C512
C502C404
C510 C504
C508 R405
R502 R504 C405
C515
C516
C604
C703
C704
C707 C708 R792R604
R803
C309
R972
R347
C306C307
C514 C601
C602
2
1 1 24
1
9
10
6
7
5
1 234812 11 13
3
19
20 R973
R501R503
R506
R507 R701
R702
R707
R708
R802
R807
R958
C509
R491
R492
R793 R791 R959
C517
R509
8
1
16 9
145
8
15
14
10
20
11
16 98
1
B
E
B
E
B
E
B
E
BE
BE
E BE
D302
Q705
Q302
Q401 Q701
Q702
Q703 Q704
Q801
D304
D305
IC9...

24
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
PQRST
1
2
3
4
5
6
7
R219
R220
R223
R221R222R226
R228
R227
R229
R230
C24
C44
C49
C52 C61
C53
C62
C64
C91
C21
C25 C35
C40
C41
R23
R48
R49
R50
C39
C50
C51
C20 C22
C23
C33
C34
R20R21
R22 R25
R26
R27
R28 R45
C100
R61
R60
C103
S1 S2
S3
S4 D4
CD PLAYER UNIT X32-5970-00 (J76-0366-02)
Refer to the schematic diagram for the values of resistors and capacitors.
PC BOARD (COMPONENT SIDE VIEW) 

25
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
YXWVU
1
2
3
4
5
6
7
Q10
Q11
Q12
CN2Q13
Q1
D2
D3
CN1
D1 IC11
IC3 IC4
IC6 IC5
IC7
CD PLAYER UNIT X32-5970-00 (J76-0366-02)
C97
R247
R246
X1R239
R231
R232
R233
R240
C94
C95R241
C54
C63
C71
C72 C90
R59
C69
C68
R51 R52
C27
C29
C45
C46
R251
C58
R245 C60
C73 C74
C76
C77 C87
C88
C30
C31 C32
C38 CP7
R32
R38
R55 R252
R216
R217
R244
C26
C36
C47C48
R29
R30 R31
R33
R34
R35R36 R37
R40
R41
R46
R248
R82
R83
R218 C101R243
C96
C10
C66
C89
1
16...

26
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
ABCDE
1
2
3
4
5
6
7
2.5V2.5V
5.0V 0V
5.0V
2.5V
5V
0V
5V
0V
IC
∗I
∗
ELECTRIC UNIT (X34-46xx-xx)
Q703
Q704
Q705
CN4
FRONT
REAR/SUB
Q702 Q701
R J5
L
∗ G
∗ D
A1
TUNER
UNIT ANT
J2
∗ A E
D605
D604
D603
D602 D601
CN3
D303
WIRED REMO
J4
D606LX BUS
∗  I
∗ B
MUTE DRIVE
fo
r PRE-OUT PRE-OUT
MUTE SW
TP342
TP79 TP128 TP92
TP95
TP100
TP73 TP66
TP77 TP69 TP99
TP90 TP93
TP96
TP101
TP76
TP71
TP72 TP97
TP341
TP74 TP94
TP102
TP68 TP65
TP70
TP344...

27
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
JIHGF
2.5V2.5V
5.0V 0V
5.0V
2.5V 0V
5.0V
0V
5.0V
5V
0V
5V
0V 4.0V
4.0V
0V
8.0V
5V
0V 5V
0V
5V 0V
8.0V
5.0V
0V
0V
5.0V
0V0V
0V
5V
0V
5V
IC7 IC9
∗IC2
∗IC3
∗IC6
IC10
A
Q401
P1 Q301
Q104 Q105
Q302
Q903
D803
Q901
Q402
D110
D801
D301
RDS IC
A
ANALOG SW
D404
D401
E-VOL
E-VOL DC OFFSET
D901Q902
POWER
IC
J3
D302
PANEL 5V SW
D305
D306
D304
F AUX
∗ M
PANEL CN
E2PROM
CD CNCN2
X16-
J1
2/2
MUTE CONTROL
∗ J
∗ K
DC OFFSET
DET DET SW
DC OFFSET...

28
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
KLMNO
5.0V5.0V
0V
5V
0V
5V
0V5V
0V
0V 5V
0V
5.0V 5.0V 5V0V
0V 5V0V
5V0V
5V0V
0V
5V 0V
5V0 or 5.0V
0 or 5.0V
0 or 5.0V
0 or 5.0V
0 or 5.0V
0V
5.0V5.0V
0V
5V 5V
0V
1.6V
5V
0V 3.4 or 5.0V
0 or 1.6 or 2.5 or
5V 0V 0V
5V 0V
5V
5V 0V
0V
5V
0V
5V
0V
5V
5V 0V
5V 0V
5V 0V
5V0V
5V0V 0V
5.0V
0V
5V
0V
5V
0V
5V
5V 0V 0V
5V 5V
0V
5V0V
5V
0V
5V
0V
5V
0V
0V
5V
0V
5V
0V
0V
5V 0V
5V
0V
5V
5V
0V
IC8
∗IC1...

29
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
TSRQP
1
2
3
4
5
6
7
0V
14.4V 14.4V 8.1V
8.1V
14.4V 14.4V
5.0V5.0V
10.2VIC4
1GY/W3537AY/W3537GY/W4037Y (1/2)
Q101 Q102
Q103
4
DC CN
SURGE DET
BU  DET
D107
D108
D109
D106
A
CC DET
LINE MUTE
02
04
D103
D101
P CON P ANT
D4∗D5 D2
3
Q2
Q1 SW14
RVO
+B AVR D1
POWER SUPPLY IC IC1 :
∗IC2 : E-TDA7419
IC3 : E-TDA7418
IC4 : BD4913-V4
IC6 :
∗
IC8 : S-80836CNNB-J
IC9 : HEF4053BT
Q1,4,7 : UMC2N
Q2,8 : 2SB1565
Q3,9,101-103,402,901
:2SC4081...

30
KDC-W237AY/W237GY/W3037AY/W3037GY/
W311AY/W311GY/W3537AY/W3537GY/W4037Y
UVWXY
1
2
3
4
5
6
7
RST
ON
OFF
0V
5V 0V
5V
11.3V0V 0V
11.3V 11.3V
0V
11.3V
0V
5V 0V 5V
0V
5V 0V
5.0V
5V
0V
0V
5.0V
11.3V
0V
5V
0V
IC1
IC3
SWITCH UNIT (X16-386x-xx)
A
J1 D71
D72 D73
D74 D75D76 D77
D20
D21
D22
∗ A
ED1
1/2
J3 X34- CONTROL
SENSOR
VFD DRIVER
∗D79REMOTE
TP32
FL SW
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1
2
3
4 5
6
7 8
9
10
11
12 13
14 1516...