Kenwood KDC-W4031 Service Manual page 22

U
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
QQ
3 7 63 1515 0
ANODE CONNECTION
1
PIN
3GA,3GB 2G
NAME
P1 — col (Downside)
P2 2d 2d
P3 1d 1d
P4 2n 2n
P5 1n 1n
P6
2p 2p
P7 1p 1p
P8 2r 2r
P9 1r 1r
P10 2e 2e
P11 1e 1e
P12 2c 2c
P13 1c 1c
P14 2g 2g
P15 1g 1g
2
P16 2m 2m
P17 1m 1m
P18 2f 2f
P19
1f 1f
P20 2a 2a
P21 1a 1a
P22 2h 2h
P23 1h 1h
P24 2j 2j
P25 1j 1j
P26 2k 2k
P27 1k 1k
P28 2b 2b
P29 1b 1b
P30 col (Upside)
P31 —
3
P32 —
P33 —
P34 — —
P35 col Dp
P36 3d 3d
P37 3n 3n
P38 3p 3p
P39 3r 3r
P40 3e 3e
P41 3c 3c
P42
3g 3g
TE
L 13942296513
P43 3m 3m
P44 3f 3f
4
P45 3b 3b
P46 3k 3k
P47 3j 3j
P48 3h 3h
P49
3a 3a
5
X34-
J5
1/2
A
6
www
7
22
X16-2932-7x (1/2)
V
SWITCH UNIT (X16-293x-xx)
1GA,1GB
S1
2d
1d
2n
1n
2p
1p
2r
1r
2e
1e
2c
1c
2g
1g
2m
1m
2f
1f
2a
1a
2h
1h
2j
1j
2k
1k
2b
1b
S2
S3
S4
S5
S6
S7
PAN
REMOTE
∗
S8
SW5V
SENSOR
A
S9
S10
IC3
Q21
D96
d
e
c
g
f
b
a
J1
TP31
ILL D GND 1
TP30
PAN5V 2
TP29
R11
RTRY CW 3 3
470
D71
TP28
LED+B 4
TP27
FL+B 5 FL+B
TP26
RST 6 6
TP25
R13
VFD RST 7 76
470
D72
TP24
R14
VFD DATAF 8 77
220
D73
TP23
R15
VFD CE 9 78
470
D74
TP22
R16
VFD CLK 10 79
470
D75
TP21
R17
VFD DATAS 11 80
470
D76
∗
R18
TP20
1K
REMOTE 12 12
TP19
R19
RTRY CCW 13 13
470
D77
x ao
TP18
TDF DET 14
TP17
ESD GND 15
. i
W
R80 33
1W
R82 33
1W
ED1
(14-SEGMENT)
Q Q
3 6 7
∗
R23
5V
100K
0V
R78 1K
61
KS5
62
KS6
TP41
63
KI1 KI1
TP42
64
KI2
KI2
TP43
65
KI3 KI3
TP44
66
KI4 KI4
TP45
67
KI5 KI5
68
RED P1
69
GRN P2
70
P3
71
P4
72
VSS
73
OSCO
R75 74
R74
OSCI
4.7 20K
75
VDD
76
76 BLK
R72
4.7K
R70
77
77 DO
220
78
78 CE
79
79 CL
80
80 DI
u163
TP70
y
11.25V
X
2 9 9 4
8
a
j
f
k b
h
g m
e r n
p c
d
(3GB/1GB/3GA/2G)
3GB 1GB
3a 1a 2a
KEY MATRIX
1 3 1 5 0 5 8 2 9
KI1 KI2
KS1 FM
KS2 DISP 6
KS3 2 1
KS4 SRC EJECT
KS5
11.25V
5V
0V
0V
5V
0V
ON
5V
0V
OFF
IC1
VFD DRIVER
5.0V
5V
RST
0V
5V
m
0V
11.25V
0V
11.25V
0V
co
.
Y
2 8
9 9
a
f
g
e
d
3GA
1a 2a
col
9 4 2 8 9 9
KI3 KI4 KI5
AM
5 4 3
Q or EQ
AUD ATT
PANEL
DET
40
S17 S17
39
S18 S18
38
S19 S19
37
S20 S20
36
S21 S21
35
S22 S22
34
S23 S23
33
S24 S24
32
S25 S25
11.25V
31
S26 S26
0V
30
S27 S27
29
S28 S28
28
S29 S29
27
S30 S30
26
S31 S31
25
S32 S32
24
S33 S33
23
S34
22
S35 S35
21
S36 S36