Sharp CD-RW5000 Service Manual page 36

CD-RW5000
+B
LED735
LNG995PF
LED738
HLMP1700
LED737
1
LNG995PF
R790
A
2
R789
330
150
LED A PWB-B2
B
1
(5.7V)
NC
NC
NC
NC
NC
(5V)
LCD710 (0V)
(4.7V)
LCD DISPLAY
(4.6V)
(4.5V)
(0V)
(5V)
C
(0.8V)
(2.7V)
(2.7V)
(1.6V)
17
CD SWITCH PWB-B3
D
+B
IC702
OUTPUT
EXPANDER
BU2092F
E
3
0V 3 3
0V 0V
1 10V
1
1
10V
10V
2 2 9.8V 9.8V
2
3
0V 3
0V
9.8V
10V
10V
1
0V
1
2 2
F
R728
R735
15K
33K
G
SW725 SW724 SW723
CD 6
CD 5
EJECT EJECT
EJECT
R736 R729
33K
15K
SW735 SW734 SW733
CD 6
CD 5 CD 4
PLAY PLAY
PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 25.
1
DISPLAY PWB-B1
+B
1
2
Q707
KTC3203 Y
0.8V
R788
0.1V
82
VLOUT
1
2
C716
3
2.2/50
4
5
6
VCC
7
GND
8
/RD
9
/WR
10
RS
R793
11
/CS
C717
12
0.022
/RESET
13
DB4
R794
14
DB5
R795
15
DB6
R796
16
DB7
R797
17
C703
0.022
IC702
0V
5V
18 1
VDD VSS
__
1K
0V 0V R713
17 OE 2
DATA
R714
0V 0V 1K
16 Q11
CLOCK 3
R715
0V 1K
0V
15 Q10 LCK 4
0V
Q0
14 Q9 5
0V 1.8V
Q1
13 Q8 6
0V 0.3V
Q2
12
Q7 7
0V 8.8V
Q3
11 Q6 8
0V 8.8V
Q5 Q4
10 9
+B
Q720
3
KRA102 M
1
10V
2
9.8V
+B
R720 R710
R707
R726
6.8K 4.7K
2.7K 2.2K
SW722 SW721 SW720 SW711
CD 4 CD 3
CD 2 CD 1 VOLUME
EJECT EJECT DOWN
EJECT
R723
1.8K
R721
R711
R708 R712
6.8K 4.7K
2.7K
2.2K
SW731
SW732 SW730
CD 2
CD 3 CD 1
PLAY
PLAY PLAY
2
Figure 36 SCHEMATIC DIAGRAM (5/11)
R716
(10V)
22K
(6.2V)
Q706
KTC3199 GR
R717
(5.7V)
3.3K
R798
C701
33K
0.022
0.2V
R749
R748
10K
C705
C704 C706
10P
10P
0.022
R730
R731
1K
1K
1K
1K
1K
RX701
REMOTE
R747
SENSOR
1K
SW701
POWER
1 2 3
C707
100P
+B
R733 R792
1.8K 2.7K
SW712
VOLUME
UP
R791
2.7K
SW710
PANEL
OPEN/CLOSE
3 4
– 36 –
+B
BI702
DIMMER
1K
1
A_+B
+B
2
D_GND
L701 2.2µH
3
L702 2.2µH VDD
4
SCL
5
SDA
6
LCD-RS
7
1K
LCD-DB7
1K 8
LCD-DB6
9
LCD-DB5
10
LCD-DB4
11
LCD-RESET
12
+B
R750
100
C709
BI720
47/25
A_+B
+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
1 LED_EG
2
LED_1
3 LED_2
4 LED_3
LED_4
5
LED_5
6
CNP721
SW780
CD-R
OPEN/CLOSE
1 1
2 2
CD-R PWB-B10
5
CNS702
DIMMER
1
A_+10
2
D_GND
3
D_+5
4
SCL
5
TO MAIN PWB
SDA
6
CNP935
LCD-RS
7
LCD-DB7 P35 12-G
8
LCD-DB6
9
LCD-DB5
10
LCD-DB4
11
LCD-RESET
12
CNS720
1
2
3
4
TO MAIN PWB
5
6
CNP931
7
P35 12-F
8
9
10
11
6