Kenwood KDC-MP4033 Service Manual page 23

U
1
ANODE CONNECTION
PIN
3GA,3GB
NAME
P1 — col (Downside)
P2 2d
P3 1d
P4 2n
P5 1n
P6 2p
P7 1p
P8 2r
P9 1r
P10 2e
2
P11 1e
P12 2c
P13 1c
P14 2g
P15 1g
P16 2m
P17
1m
P18 2f
P19 1f
P20 2a
P21
1a
P22 2h
P23 1h
P24 2j
P25
1j
P26 2k
P27 1k
3
P28 2b
P29 1b
P30
P31
P32
P33
P34 —
P35 col
P36 3d
P37 3n
P38 3p
P39 3r
P40 3e
P41 3c
4 P42 3g
P43 3m
P44 3f
P45 3b
P46 3k
P47 3j
P48 3h
P49 3a
5
6
7
V
SWITCH UNIT (X16-350x-xx)
2G 1GA,1GB
R80 47
1/2W
S1
2d 2d
R81 47
1d 1d
1/2W
2n 2n
R82 47
1n 1n
1/2W
2p 2p
1p 1p
2r 2r
1r 1r
2e 2e
1e 1e
2c 2c
1c 1c
2g 2g
1g 1g
2m 2m
1m 1m
2f 2f
1f 1f
2a 2a
1a 1a
2h 2h
1h 1h
2j 2j ED1
1j 1j
2k 2k
1k 1k
2b 2b
1b 1b
col (Upside) S2
— S3
— S4
— S5
PAN
— S6
∗
SW5V
Dp S7
3d S8
3n S9
3p S10
Q21
3r
3e
3c
3g
3m d
3f e
3b c
3k g
3j f
3h b
3a a
J1
TP31
ILL D GND 1
TP30
PAN5V 2
TP29
R11
RTRY CW 3
220
TP28
LED+B 4
TP27
FL+B 5 FL+B
TP26
RST 6
TP25
R13
X34-
VFD RST 7
J5
220
1/2
TP24
R14
VFD DATAF 8
220
A
TP23
R15
VFD CE 9
220
TP22
R16
VFD CLK 10
220
TP21
R17
VFD DATAS 11
220
R18
TP20
1K
REMOTE 12
TP19
R19
RTRY CCW 13
220
TP18
TDF DET 14
TP17
ESD GND 15
W
3GB 1GB
3a 1a 2a
REMOTE
SENSOR
A
IC3
D96
∗
R23
5V
100K
0V
R78 1K
3
D71
TP41
KI1
TP42
KI2
TP43
KI3
TP44
6
KI4
TP45
76
KI5
D72
RED
GRN
77
D73
0V
78
D74
R75
R74
79
4.7 20K
D75
76
80
R72
D76
4.7K
R70
77
12 220
78
13
79
D77
80
TP70
D78
X
KDC-MP2032/MP232/MP4033/
KDC-MP4033S/W4534/W4534Y
3GA
1a 2a 1a
Upside
col
col
Downside
KEY MATRIX
KS1
KS2
KS3
KS4
PANEL
KS5
5V
61
KS5
0V
62
KS6
63
KI1
64
KI2
5V
65 0V
KI3
66
KI4
67
KI5
ON
68 5V
P1
0V
69
OFF
P2
IC1
70
P3
71
VFD DRIVER
P4
72
VSS
73
OSCO
74
OSCI
5.0V
75
VDD
5V
76
RST
BLK 0V
77
DO
5V
78
CE 0V
11.25V
79
CL 0V
80
DI
11.25V
X16-350x-xx (1/2)
Y
2G
2a 3a
Dp
KI1 KI2 KI3 KI4 KI5
FM AM
AUTO 6 5 4 3
Q
2 1 AUD ATT
SRC EJECT
DET
11.25V
0V
4
S17
3
S18
3
S19
3
S20
3
S21
3
S22
3
S23
3
S24
3
S25
11.25V
3
0V S26
3
S27
2
S28
2
S29
2
S30
2
S31
2
S32
2
S33
2
S34
2
S35
2
S36
11.25V
0V
23