Kenwood KDC-3047M Service Manual page 23

U
1
a
j
col1
h k
b
f
g
m
(1G)
e c
n
r
j col2
d
(3G-1G)
2
ANODE CONNECTION
PIN
3G 2G
NAME
P1 1f 1f
P2 2f 2f
3f 3f
P3
P4 4f 4f
1k 1k
P5
P6 2k 2k
3k
P7 3k
P8 4k 4k
3
1h
P9 1h
P10 2h 2h
3h
P11 3h
P12 4h 4h
P13 1g 1g
P14 2g 2g
P15 3g 3g
4g 4g
P16
P17 1c 1c
2c 2c
P18
P19 3c 3c
4c
P20 4c
P21 1m 1m
2m
P22 2m
4
P23 3m 3m
4m
P24 4m
P25 1a 1a
P26 2a 2a
P27 3a 3a
P28 4a 4a
1j 1j
P29
P30 2j 2j
3j 3j
P31
P32 4j 4j
1b
P33 1b
P34 2b 2b
3b
P35 3b
P36 4b 4b
5
1r
P37 1r
P38 2r 2r
P39 3r 3r
P40 4r 4r
P41 1d 1d
2d 2d
P42
P43 3d 3d
4d 4d
P44
P45 1n 1n
2n
P46 2n
P47 3n 3n
4n
P48 4n
P49 1e 1e
2e
P50 2e
6
P51 3e 3e
P52 4e 4e
CAUTION : For continued safety, re place safe ty critical com po nents only with manufacturer's rec om mend ed parts (refer to parts list).
Indicates safety critical com po nents. To reduce the risk of electric shock, leakage-cur rent or re sis tance mea sure ments shall be car-
ried out (ex posed parts are ac cept ably in su lat ed from the supply cir cuit) be fore the ap pli ance is returned to the customer.
• DC voltages are as measured with a high impedance volt me ter. Val ues may vary slight ly due to vari a tions between in di vid u al in stru-
7
ments or/and units.
V
SWITCH UNIT (X16-674x-xx)
S1
S2
S3
S4
S5
(1G)
1G
1f
2f
3f
1k
2k
3k
S1
1h
2h
3h
1g
2g
3g
S3
1c
2c
3c
S4
1m
2m
3m
1a
2a
3a
J1
ILL D GND 1
1j
PAN5V 2
2j
LED+B 3
3j
FL+B 4
col1
NC 5
1b
X34-
NC 6
J3
2b NC 7
SW5V 8
3b
1/2
VFD INH 9
S2
VFD PAN DATA 10
1r A
VFD SYS DATA 11
2r
VFD CLK 12
3r
VFD CE 13
col2
REMO 14
1d
RTRY CCW 15
2d
RTRY CW 16
3d AUX L 17
AUX COM 18
AUX R 19
1n
CN DET 20
2n
3n
1e
2e
3e
S5
W
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046
/MP245/MP246AM/MP246G/MP246S/MP3046
R32
10 R31
12
1/2W
1/2W
ED1
3G
1a 2a 3a
IC3
5V
0V 1
VOUT
0V 2
GND
R22
100
3
VCC
5.0V
REMOTE
CONTROL
SENSOR
1
2
1
5
21
S36 S36
22
S35 S35
23
S34 S34
24
S33 S33
25
S32 S32
26
S31 S31
27
2 S30 S30
28
S29 S29
76
29
S28 S28
77
30
S27 S27
80
2
31
S26 S26
79
32
S25 S25
78
33
S24 S24
14
34
S23 S23
15 1
35
S22 S22
16
36
S21 S21
L
37
S20 S20
G
38
S19 S19
R
39
S18 S18
40
S17 S17
5
3
X
2G
4a 1a 2a 3a
∗
A
PAN5V
LED+B
11.3V
0V
11.3V
IC1
0V
VFD DRIVER
11.3V
0V
X16-674x-xx (1/2)
Y
4a 1a
5
2
80
SD
11.3V
79
0V
SCL
78
5V
CSB
0V
R12
77
DO
220
5V
76
RST
0V XBLK
75 5.0V
VDD
74 0V
OSCI
73
C11
3.0V DVDDCAP
1
72
DVDD
71 0V
VSS
70
P3
69
P2
68
P1
67 TP19
KI5
66 TP18
5V
KI4
0V 65 TP17
KI3
64 TP16
KI2
63 TP15
KI1
5V
62
0V KS6
61
KS5
5V
0V
6
3
23