Sharp CD-RW5000 Service Manual page 36

CD-RW5000
DISPLAY PWB-B1
+B
LED735
LNG995PF
LED738
HLMP1700
+B
LED737
1 1
LNG995PF
R790
A
2 2
R789
330
150
LED A PWB-B2
B
1
VLOUT
1
(5.7V)
2
NC
3
NC
NC 4
5
NC
NC 6
VCC
(5V) 7
GND
LCD710 (0V) 8
/RD
9
(4.7V)
LCD DISPLAY
/WR
(4.6V) 10
RS
(4.5V) 11
/CS
(0V)
12
/RESET
(5V) 13
C
DB4
(0.8V) 14
DB5
(2.7V)
15
DB6
(2.7V)
16
DB7
(1.6V) 17
17
CD SWITCH PWB-B3
D
+B
IC702
OUTPUT
EXPANDER
BU2092F
E
3 +B
0V 3
0V 3 0V
1 10V
1
1
10V
10V
2
2 9.8V 9.8V
2
3
0V 0V 3
9.8V
Q720
10V
3
10V
1
KRA102 M
0V
1
1
2 2
10V
2
9.8V
F
R728
R735
15K
33K
G
SW725 SW724 SW723
CD 6 CD 5
CD 4
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
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(10V)
Q706
KTC3199 GR
C701
Q707
0.022
0.8V KTC3203 Y
0.2V
R748
R788
0.1V
10K
82
C716
2.2/50
C705
C704
10P
10P
R793 1K
C717
0.022
R794 1K
R795 1K
R796 1K
R797 1K
C703
0.022
SW701
POWER
IC702
5V 0V
18 1
VDD VSS
__
1K
0V 0V R713 C707
17 OE 2
DATA
100P
R714
0V 0V 1K
16 Q11 3
CLOCK
R715
1K
0V 0V
LCK
15 Q10 4
0V
Q0
14
Q9 5
0V 1.8V
Q1
13 Q8 6
0V 0.3V
Q2
12 7
Q7
0V
8.8V
Q3
11 Q6 8
0V
8.8V
Q5 Q4
10 9
+B
+B
R720 R710
R707 R726 R733 R792
6.8K 4.7K
2.7K 2.2K 1.8K
SW722 SW721 SW720 SW711 SW712
CD 3 CD 2 VOLUME
CD 1 VOLUME
EJECT
EJECT EJECT DOWN UP
R723
1.8K
R721
R711
R708 R712
6.8K 4.7K
2.7K 2.2K
SW731 SW710
SW732 SW730
PANEL
CD 3 CD 2 CD 1
OPEN/CLOSE
PLAY
PLAY PLAY
2 3
Figure 36 SCHEMATIC DIAGRAM (5/11)
+B
R716
22K
(6.2V)
R717
(5.7V)
3.3K
R798
33K
R749
1K
+B
L701 2.2µH
L702 2.2µH
C706
0.022
R730 1K
R731 1K
+B
RX701
REMOTE
R747
SENSOR
1K
R750
100
1 2 3
C709
BI720
47/25
+B
1
+B
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
CNP721
2.7K
R791
2.7K
1
2
4
– 36 –
CNS702
BI702
DIMMER DIMMER
1 1
A_+B
A_+10
2
2
D_GND
D_GND
3 3
VDD
D_+5
4 4
SCL SCL
5 5
TO MAIN PWB
SDA
SDA
6 6
LCD-RS CNP935
LCD-RS
7 7
LCD-DB7 P35 12-G
LCD-DB7
8
8
LCD-DB6 LCD-DB6
9
9
LCD-DB5 LCD-DB5
10
10
LCD-DB4
LCD-DB4
11
11
LCD-RESET
LCD-RESET
12
12
CNS720
A_+B
1
D_+B
2
D_GND
3
REMOCON
4
POW_KEY
TO MAIN PWB
5
POW_IND
6
DATA
7
CK
8
LCK
9
KEY1
10
KEY0
11
LED_EG
LED_1
LED_2
LED_3
LED_4
LED_5
SW780
CD-R
OPEN/CLOSE
1
2
CD-R PWB-B10
5 6
CNP931
P35 12-F