Sharp CD-MD3000H Service Manual page 58

CD-MD3000H/CD-MD3000W
+B
LED735
LNG995PF
LED738
LNG995PF
A
LED737
1
LNG995PF
R790
2
R789
330
150
LED A PWB-B2
B
1
5V
LCD720 0.1V
5V
LCD DISPLAY
3.1V
3.4V
5
C
CD SWITCH PWB-B3
IC702
D
OUTPUT
EXPANDER
BU2092F
3
E
0V 3 3 0V
0V
1
1
10V
10V
2 2 9.8V
9.8V
2
3
3
0V 0V
9.8V
10V
10V
1
1
2
2
F
R735
33K
SW725
SW724
G
CD 6 CD 5
EJECT
EJECT
R736
33K
SW735
SW734
CD 6 CD 5
PLAY
PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
1
DISPLAY PWB-B1
+B
1
2
R788
0.1V
330
VLCD
1
VSS
C716
2
VDD 2.2/50
3
SCL
4
SDA
5
+B
C703
0.022
IC702
5V 0V
18 1
VDD VSS
__
0V R713
0V
17 OE 2
DATA
R714
0V 0V
16 Q11 3
CLOCK
R715
0V 0V
LCK
15 Q10 4
0V
Q0
14
Q9 5
1.8V
0V
Q1
Q8
13 6
0V 0.3V
Q2
12 Q7 7
0V 8.8V
Q3
11 8
Q6
0V 8.8V
Q4
Q5
10 9
+B
10V
1
Q720
3
KRA102 M
0V
1
10V
2
9.8V
+B
R728 R720 R710
R707
15K 6.8K 4.7K
2.7K
SW723 SW722
SW721 SW720
CD 4
CD 3 CD 2 VOLUME
CD 1
EJECT EJECT
EJECT EJECT
R729 R721 R711
R708 R712
15K 6.8K
4.7K
2.7K
SW731
SW733 SW732 SW730
CD 2
CD 4 CD 3 CD 1
PLAY
PLAY PLAY PLAY
2
Figure 58 SCHEMATIC DIAGRAM (5/16)
Q707
KTC3203 Y
0.8V
0.2V
R748
10K
C705
C704 C706
10P
10P 0.022
R747
1K
SW701
POWER
1K
C707
100P
1K
1K
+B
+B
R733 R792
R726
2.2K 1.8K 2.7K
SW711 SW712
VOLUME
DOWN UP
R791
R723
2.7K
1.8K
2.2K
SW710
PANEL
OPEN/CLOSE
3 4
– 58 –
+B
R749
1K
DIMMER
+B
A_+B
L701
2.2µH
D_GND
VDD
L702
2.2µH
SCL
SDA
R730 1K
R731 1K
+B
RX701
REMOTE
SENSOR
R750
100
1 2 3
C709
BI720
47/25
A_+B
1
D_+B
+B
2
D_GND
3
REMOCON
4
POW_KEY
5
POW_IND
6
DATA
7
CK
8
LCK
9
KEY1
10
KEY0
11
LED_EG
1
2 LED_1
3
LED_2
LED_3
4
LED_4
5
LED_5
6
CNP721
1 1
2 2
MD SWITCH
PWB-B10
5
BI702
CNS702
1 1
2
2
TO MAIN PWB
3 3
CNP935
4 4
P57 12-G
5 5
6 6
CNS720
1
2
3
4
TO MAIN PWB
5
CNP931
6
P57 12-E
7
8
9
10
11
SW780
MD EJECT
6