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U
V
1
DISPLAY
+5.6V
+5V
2
81
S10
SEG10
82
S9
SEG9
83
S8
SEG8
84
S7
SEG7
85
S6
SEG6
86
S5
SEG5
87
S4
SEG4
88
S3
SEG3
89
S2
SEG2
90
S1
SEG1
91
S0
SEG0
92
COM3
COM3
3
93
COM2
COM2
94
COM1
COM1
95
COM0
COM0
R174 2.2K
96
VLC
CN103
R143 1K
97
PDA
1
PLL DATA
R144 1K
98
PCLK
2
PLL CLK
MAIN-
R145 1K
99
CN260
PERI
3
PLL PER100
100
2/3
ST
4
43
VDD1
R171
RDA
5
42
1K
4
R-4
RCLK
6
26
X101
7.2MHz
R100
100K
C103
R102
Q101
10u16
3.3K
+
5
D102
+B
C114
0.01
CN106
CD-
SCL 1
11
CN603
SDA
2
12
1/3
DREQ
3
13
H-6
6
1
2
3
4
5
6
7
8
9
CN101
MAIN-
CN804
2/3
R-5
7
W
X
COM/PIN #
1
2
3
4
5
6
COM0
COM-0
1F
1A
COM-1
COM1
1H
1I
COM-2
COM2
1G
1N
COM-3
COM3
1E
1M
∗
U101
X102
32.768
kHz
9
+B
R106 10K
21
54
R128 10K
R129 10K
U103
R130 10K
3
2
1
1
2
3
4
5
6
CN102
CN104
CN105
MAIN-
CN701
MAIN-
CN402
2/3
R-6
2/3
R-7
Y
Z
7
8
9
10
11
12
13
14
15
16
17
18
19
1B
2F
2A
2B
3F
3A
3B
4F
4A
4B
1J
2H
2I
2J
3H
3I
3J
4H
4I
4J
1K
1C
2G
2N
2K
2C
3G
3N
3K
3C
4G
4N
4K
1L
1D
2E
2M
2L
2D
3E
3M
3L
3D
4E
4M
4L
LCD101
+5.6V
+5V
1
+5V
50
VSS2
R142 10K
49
BOOT
R140 22
48
VAREF
47
AD K1
47
R141 10K
R139 10K
46
AD K2
46
45
R137 39K
L.V. DET
44
PWR DETECT
43
STAREO
43
42
RDS DATA
42
41
OVERLOAD
40
40
CLT(SLEND)
39
SLT
39
38
MOTOR OP
U102
R180
37
MOTOR CL
100
36
IN
BUS3
36
35
BUS2
35
34
BUS1
34
33
BUCO
33
32
BUCK
32
31
R161
CCE
31
47
SW107
POWER
R150
470
45
SW100
54
CD
U101
U102
U103
+B
Q101,180,181
Q182
D102-106 : 1N4148
R131 10K
R132 10K
R133 10K
R134 10K
R135
C115
C116
10K
0.01
0.01
1
2
3
4
5
6
7
8
9
10
11
1 2
CN109
to
CD DOOR SW
CD-
CN606
1/3
H-3
23
AA
AB
20
21
22
23
24
25
26
27
28
29
30
31
32
5F
5A
5B
6F
6A
6B
7F
7A
7B
5H
5I
5J
COL
6H
6I
6J
7H
7I
7J
4C
5G
5N
5K
5C
6G
6N
6K
6C
7G
7N
7K
4D
5E
5M
5L
5D
6E
6M
6L
6D
P( )
7E
7M
7L
COL
P
Q182
+5.6V
R186
100K
Q180
R182
OUT
10K
GND
Q181
9
14
R162
R163
R164
R165
R166
470
680
1K
1.2K
1K
1.5K
SW104
SW109
SW108
SW103
SW113
RDS/
TIME
TIMER
REC
VOL+
DISPLAY
SET
ON/OFF
TOP KEY
CN108
R151
R152
R157
R153
2
1
680
1K
1.2K
1K
SW101
SW102
SW106
SW114
TUNER
TAPE
VOL-
EQ/
/BAND
BASS
1
2
CN107
:
R184,
LED180,
TMP87EP26-437W
MODEL
DESTINATION
: RPM7138-V4
NAME
COUNTRY
ABB.
185
182
:
M24C16
HM-437WN-S
EUROPE
E
100
BLUE
HM-437WN-H
EUROPE
E
100
BLUE
HM-437WN-H
AUSTRALIA
X
150
ORG
: 9014
: 8550D
CAUTION: For continued safety, replace safety critical com-
ponents only with manufacturer's recommended parts (refer
GND LINE
to parts list).
indicates safety critical components. For
B LINE
+B
continued protection against risk of fire, replace only with
same type and rating fuse(s). To reduce the risk of electric
shock, leakage-current or resistance measurements shall be
carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the cus-
tomer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
AC
AD
RXD-M47WM/LS-M47WM
33
34
35
36
37
38
39
40
8F
8A
8B
8H
8I
8J
7C
8G
8N
8K
8C
7D
8E
8M
8L
8D
A
8
F H I
J B
G
K
E N M L C
D
R167
R168
R169
1.8K
2.2K
2.7K
SW111
SW110
SW112
SW105
STOP
PLAY/
SKIP+/
SKIP-/
PAUSE
SEARCH+
SEARCH-
R154
R155
R156
1.5K
1.8K
2.2K
SW115
SW116
SW117
SW118
REPEAT
PROG.
PRESET
PRESET
DOWN
UP
HM-437WM(3/3)
DISPLY
24
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