Sharp MD-X7H Service Manual page 10

MD-X7H
A
B
C
BACK LIGHT
LMP741 LMP742
D
REMOTE SENSOR
RX701
C701
2
C702
100P
3
1/50
1
E
SW701
POWER ON/
STAND-BY
R701
1.2K
SW702
R711
MD>MD EDIT
1K
R702
1.5K
SW703
TRACK
R703
1.8K
SW704
F
CD>MD EDIT
R704
2.2K
SW705
MD-REC
R705
3.3K
SW706
MD-EJECT
G
SWITCH B PWB-C3
LED PWB-C4
H
1
LCD751
DISPLAY
LMP743 LMP744
CNP701
R713
1K
1
+B
2
R714
3
+B
100
4
5
6
7
8
+B
LED705
R342VRC7
TOC-EDIT/
CURSOR DOWN
1 3
FW701
1 3
R712
1K
LED706
SLR325MG
2
Figure 10 SCHEMATIC DIAGRAM (6/7)
LAMP PWB-C1
BL+B(HIGH)
BL_GND
: Eliminated PARTS
SWITCH C PWB-C5
DISPLAY
SLR325MG
SW721
CHARACTER
R721
1.2K
SW722
TIMER/DELETE
R729
4.7K
R722
1.5K SW723 SW729
NAME/
RDS
R723
R730
1.8K
8.2K
SW724
MESSAGE
SW730
R724
2.2K
R731
SW725
TUNING/ 18K
SW731
R725
SW726
3.3K
TUNING/
CURSOR UP
R726
SW727
4.7K
AUX
R727
SW728
8.2K
TUNER(BAND)
3 4
– 10 –
FROM
LCD751
FROM
POWER AMP. PWB
2
CNS830
1
P55 9-G
CNP771
1
2
3
+B
4
5
6
7
8
LED721
1
2
3
4
CD DISC1
OPEN/CLOSE
1
2
CD DISC2
3
OPEN/CLOSE
4
CD DISC3
OPEN/CLOSE
5
DISPLAY PWB-C
VA
34
VB
33
VC
32
VSS(VD)
31
VR2
30
VR1
29
VOUT
28
VDD PMODE EXA
27
VSS CK CKS
26
OSC1
25
OSC0
24
VSS
23
R751
D7
D7
22
680K
D6
D6
21
D5
D5
20
D4 D4
19
D3 D3
18
D2 D2
17
D1 D1
16
D0 D0
15
RDB RD
14
WRB WR
13
P/S SDA SCL
12
M86
11
M/S
10
RS RS
9
CSB CS3
8
RESB RESET
7
VSS-TEST
6
V4
5
V3
4
V2
3
V1
2
V0
1
CNP751
+B
R775 R774 R773 R772 R771
3.3K 2.2K 1.8K 1.5K 1.2K
6