22
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
U
V
W
X
Y
1
2
3
4
5
6
7
X16-2932-7x (1/2)
Q21
D96
J1
D71
D72
D73
D74
D75
D76
D77
∗
A
1/2
J5
X34-
REMOTE
SENSOR
PAN
SW5V
VFD DRIVER
IC1
(14-SEGMENT)
IC3
SWITCH UNIT (X16-293x-xx)
ED1
A
10K
10K
RST
ON
OFF
0V
5V
0V
5V
11.25V
0V
0V
11.25V
11.25V
0V
11.25V
0V
5V
0V
5V
0V
5V
0V
5.0V
5V
0V
0V
5.0V
11.25V
TP32
TP70
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
15
16
17
18
19
20
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
KS4
KS3
KS2
KS1
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
G1
G2
G3
VFL
S52
S51
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
KS5
KS6
KI1
KI2
KI3
KI4
KI5
P1
P2
P3
P4
VSS
OSCO
OSCI
VDD
BLK
DO
CE
CL
DI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ILL D GND
PAN5V
RTRY CW
LED+B
FL+B
RST
VFD RST
VFD DATAF
VFD CE
VFD CLK
VFD DATAS
REMOTE
RTRY CCW
TDF DET
ESD GND
TP19
TP18
TP17
TP24
TP22
TP23
TP21
TP20
TP28
TP26
TP27
TP25
TP31
TP30
TP29
80
13
12
79
78
77
76
3
6
1
2
3
GND
VO
VCC
R22 100
R21 100K
12
R78 1K
RED
GRN
KI5
KI3
KI4
KI1
KI2
TP41
TP42
TP43
TP44
TP45
220
R70
20K
R75
47P
C15
4.7K
R72
4.7
R74
80
79
78
77
76
G1
G3
G2
S43
S51
S52
S49
S50
S46
S47
S48
S45
S44
S42
S41
S38
S39
S37
S32
S33
S35
S36
S27
S28
S29
S30
S31
S22
S23
S24
S25
S26
S17
S18
S19
S20
S21
KS4
S4
KS3
KS2
KS1
S2
S3
S8
S5
S6
S7
S9
S10
S11
S15
S12
S13
S14
S16
TP47
TP46
TP49
TP48
2.2
C21
IC3
100K
∗
R23
FL+B
FL+B
470
R11
470
R13
220
R14
470
R15
470
R16
470
R17
470
R19
1K
∗
R18
2.2
C10
TP143
43
58
P24
TP150
TP149
TP148
TP146
TP145
TP144
TP147
W11
47
45
44
46
P21
P20
P22
50
48
49
P23
3GA
TP157
TP153
TP152
TP151
TP154
52
51
53
P25
1GB
P26
54
55
57
56
3GB
P27
P29
P28
TP164
TP163
TP162
TP161
TP160
TP159
P33
61
59
60
P31
P30
P32
63
62
64
P35
P34
TP165
R80 33
R82 33
1W
1W
65
66
F+
F+
S41
S50
S51
S52
S49
S47
S48
S45
S46
S44
G3
S43
G1
S42
G3
S39
S38
S37
S36
KI4
4
AUD
EJECT
KS2
KS5
KS3
KS4
DISP
SRC
2
KEY MATRIX
KS1
KI1
FM
Q or EQ
PANEL
DET
6
1
5
AM
KI3
KI2
ATT
3
KI5
(3GB/1GB/3GA/2G)
ANODE CONNECTION
3GA
1GB
3GB
a
a
m
r
n
b
c
d
d
k
h
e
e
f
f
g
g
p
j
col
3a
1a
2a
1a
2a
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
P35
P36
P37
P38
P39
P40
P41
P42
P43
P44
P45
P46
P47
P48
P49
—
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
—
col
3d
3n
3p
3r
3e
3c
3g
3m
3f
3b
3k
3j
3h
3a
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
S8
S9
S10
d
e
c
g
f
b
a
col (Downside)
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
col (Upside)
—
—
—
—
Dp
3d
3n
3p
3r
3e
3c
3g
3m
3f
3b
3k
3j
3h
3a
3GA,3GB
2G
PIN
NAME
1GA,1GB