Kenwood RD-M23 Service Manual page 6

Compact audio system
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AM
Tracking fL
AM
T302
GND
VD301
FM
75ohms
+5V
T306
AM Band
SO301
Coverage fL
ANTENNA
TERMINAL
IC301
BAND PASS
TA7358AP
FILTER
FM FRONT END
BF301
1
2
3
1
2
3
4
5
6
7
8
FM IF
FM +B
T304
FM +B
VD303
L302
L303
FM ANT.
FM OSC.
FM RF
FM Band
Coverage fL
FM +B
DISPLAY PWB
SW711~713
SW718
SW721,722
SW725~727
SW709
SW710
D_GND
1
1
P_CONT
2
2
USWD_5R6V
3
3
4
1
RESET
2
Q702
Q701
Q703
LED701 LED702
GND
LED PWB
FM MUTE
LEVEL
+5V
VR351
24
23
22
1
2
3
AM IF
FM IF
FM IF
9
Q306
CF303
CF302
T351
TP301
+5V
Q302
VT
VD302
22 21 20
X352
4.5MHz
1
LCD701
LCD DISPLAY
1
4
5
38
4
1
100
67
5
VLC3
6
VLC2
7
VLC1
8
VDD
9
OSC2
OSC1
10
IC701
X701
11
VSS
8MHz
IX0039SJ
XI
12
X702
SYSTEM MICROCOMPUTER/
13
XO
32.768kHz
FL DRIVER
14
MMOD
15
VREF–
24
VREF+
16
CLID_SW
17
KEY1
18
KEY2
47
P–CONT
32
37
38
39
25
26
27
RX701
Q708
REMOTE
SENSOR
A_12V
Q709
SWITCHING
Q707
Q706
SWITCHING
SWITCHING
Q351
X351
456kHz
21
20
19
18
17
16
15 14
13
4
5
6
7
8
9
10
11
12
+5V
AM IF
CF352
+5V
19
18
17 16 15
14 13 12
3
4
5
6
7
8
9
10
11
CLID_DW
57
CLID_UP
56
CLID_PRO
20
CD_RES
59
CCE
66
BUCK
65
BUS3
64
BUS2
63
62
BUS1
61
BUS0
60
CD_STB
58
PU-IN
LIGHT
53
DIMMER
54
B-LIGHT
51
28
43
44
45
46 49 50
TUNER PWB
SD
11
FM ST
10
ZD351
DO
VOLTAGE
9
REGURATOR
CL
8
+5V
CE
7
DI
6
+B
A_12V
Q360
5
FM +B
D_GND
4
TUN_L
3
TUN_R
2
A_GND
1
CNS307
CNW702
CNS702
CLID_DW
1
1
CLID_UP
2
2
CLID_PRO
3
3
CLID_SW
4
4
CD_RES
5
5
CCE
6
6
BUCK
7
7
BUS3
8
8
BUS2
9
9
BUS1
10
10
BUS0
11
11
CD_STB
12
12
PU-IN
13
13
LIGHT
14
14
DIMMER
15
15
CNS703
SD
1
1
STEREO
2
2
DO
3
3
CL
4
4
CE
5
5
DI
6
6
CD+B
7
7
P_MUTE
8
8
P_STB
9
9
A_24V
10
10
D_GND
11
11
CNW703

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