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AE
KDC-MP4036U/MP435U/X491/W4537UA/W4537UAY
/W4537UG/W4537UGY/W4737U/W4737UY
1
SWITCH UNIT (X16-389x-xx)
2
3
4
J1
USB ESD GND
1
PAN5V
2
LED+B
3
ILL D GND
4
RTRY CCW
5
RTRY CW
6
REMO 7
RST
8
VFD BLK
9
5
X34-
VFD PAN DATA
10
J200
1/2
VFD CE
11
A
VFD CL
12
VFD SYS DATA
13
USB5V
14
USB D+ 15
USB GND
16
USB D-
17
6
FL+B
18
ESD GND
19
TDF DET
20
J2
USB GND
4
D+
3
USB
I/F
D-
2
VBUS5V
1
7
28
X16-389x-xx (1/2)
AF
R17
9.1
1/2W
TP24
A
REMOTE
CONTROL
SENSOR
IC3
ED1
(14-SEGMENT)
5V
0V
TP1
TP2
TP3
TP4
TP5
5
TP6
6
TP7
R3
7
1K
D4
TP8
8
TP9
R4
KI1
76
KI2
220
D5
KI3
TP10
R5
77
KI4
220
D6
KI5
TP11
R6
78
220
D7
RED
TP12
R7
GRN
79
220
D8
TP13
R8
80
220
D9
TP14
TP15
TP16
TP17
TP18
FL+B
TP19
TP20
C2
0.01
TP45
D1
TP46
L1
TP47
TP48
AG
a
j
f
k
h
g
r
e
n
p
d
(3GB/1GB/3GA/2G)
F+
TP23
3GB
1GB
3a
1a
KEY MATRIX
KS1
KS2
KS3
KS4
KS5
5V
0V
R16
61
5V
KS5
0V
62
1K
KS6
63
KI1
64
KI2
65
5V
KI3
0V
66
KI4
67
KI5
ON
RED
5V
TP26
68
0V
P1
OFF
69
P2
70
TP25
P3
GREEN
71
P4
72
VSS
R13
73
OSCO
20K
74
R15
OSCI
5.0V
4.7
75
VDD
5V
76
RST
76
BLK
0V
77
77
DO
5V
78
78
CE
0V
79
79
CL
80
80
DI
11.25V
0V
SW VFL
11.25V
TP21
AH
b
m
f
c
e
d
3GA
2a
1a
2a
col
KI1
KI2
KI3
KI4
KI5
FM
AM
AUD
6
5
4
3
2
1
AUTO
ATT
MENU
SRC
EJECT
PANEL
DET
11.25V
0V
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
0V
S26
S26
IC1
30
S27
S27
FL DRIVER
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
11.25V
0V
LED+B
AI
S3
S5
a
S1
b
g
S
c
(1GA
2G
1a
2a
3
Upside
col
Dp
Downside
TP27
TP28
KS1
KS1
TP29
TP30
KS2
KS2
TP31
TP32
KS3
KS3
2
TP33
TP34
KS4
KS4
TP35
KI1
SRC
TP36
C
B
GRN
RED
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