Error Message List - Sharp CD-CH1500 Service Manual

CD-CH1500
A
LED A PWB-B2
B
1
LCD720
LCD DISPLAY
5
C
CD SWITCH PWB-B3
IC702
INPUT/OUTPUT
EXPANDER
BU2092F
D
3
1
10V
3
2
1
E
10V
2
3
10V
1
2
F
G
R736
33K
SW735 SW734
CD 6 CD 5
PLAY
PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
DISPLAY PWB-B1
LED735
LNG995PF
+B
1 1
2
2
R788
330
VLCD 5V
1
VSS 0.1V
2
VDD
5V
3
C716
SCL
3.1V
2.2/50
4
SDA
3.4V
5
+B
C703
0.022
0V
5V
18 1
VDD VSS
__
0V R713
0V
DATA
17 2
OE
R714
0V 0V
CLOCK
16 Q11 3
0V R715
0V
15 Q10 LCK 4
0V
Q0
14 Q9 5
1.8V
0V
Q8 Q1
13 6
0V 0.3V
Q2
12 7
Q7
0V
8.8V
Q6 Q3
11 8
0V
8.8V
Q5 Q4
10 9
+B
3
1
10V
2
3 3
10V 10V
1
1
2 2
+B
R735 R728 R720
33K 15K
6.8K
SW725 SW724 SW723
SW722
CD 6
CD 5 CD 4
EJECT EJECT
EJECT EJECT
R721 R711
R729 R708
6.8K 4.7K
15K 2.7K
SW731
SW733 SW732 SW730
CD 4 CD 3 CD 2 CD 1
PLAY
PLAY PLAY PLAY
2
Figure 24 SCHEMATIC DIAGRAM (5/11)
Q707
KTC3203 Y
0.2V
R749
1K
R748
10K
R731
1K
SW701
POWER
1K C707
100P
1K
1K
R710 R707 R726
2.2K
4.7K 2.7K
SW721 SW711
SW720
CD 3
CD 2 CD 1 VOLUME
EJECT DOWN
EJECT
R712 R723
2.2K 1.8K
SW710
PANEL
OPEN/CLOSE
3 4
– 24 –
+B
DIMMER
1
A_+B
+B
2
D_GND
3
L702 VDD
4
2.2µH
SCL
5
SDA
6
R730 CNS702
1K
+B
RX701
N64H380A
REMOTE
SENSOR
R750
100
1 2 3
A_+B
1
+B
D_+B
2
D_GND
3
REMOCON
4
POW_KEY
5
POW_IND
6
DATA
7
CK
8
LCK
9
KEY1
10
+B
KEY0
11
LED_EG
1
LED_1
2
LED_2
3
LED_3
4
LED_4
5
LED_5
6
R733
R792
1.8K 2.7K
SW712
VOLUME
UP
R791
2.7K
5
DIMMER
1
A_+10
2
D_GND
3
D_+5
4
SCL
5
SDA
6
CNS720
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
CNS772
6