Schematic Diagram / Wiring Side Of P.w.board - Sharp QT-CD131H Service Manual

QT-CD131H/132H
A
B
LCD701
C
8 7 6 5 4 3 2 1
48 47 46 45 44 43 42 41
49
SEG12
50 SEG11
51 SEG10 IC701
D
IX1015AW
52 SEG9
SYSYTEM
53
SEG8
MICROCOMPUTER
54
SEG7
55 SEG6
56 SEG5
57 SEG4
58 SEG3
59
SEG2
60
SEG1
2
P10 POWER IN
61 SEG0
62
P00
63 P01
64 P02
1 2 3 4 5 6 7 8 9
E
R716
10K
F
CD SIGNAL
G
MAIN PWB-A1 ( 1 / 3 )
H
• The numbers 1
1
SWITCH PWB-A2
SW774
REV
R771
SW773
3.9K
FWD
R772
2.7K
SW771
R773
PLAY
1.8K
OPEN/CLOSE
SW772
R774
1.5K STOP
R776
10K
+B
3 1
FW701
3 1
+B
R709
R710
1K
10K
R711
2.7K
40 39 38 37 36 35 34 33 R714
10K
32
P32
C704
31
P31
100/10
P30 30
29
VREF
28
AVSS
C705
27
XCIN
0.022
34
P3P40
26
XCOUT
33 P33
25
VDD
20
24
PU-IN P23 VSS
19 WRQ P22
23
XOUT
R713
18
SQOUT P21
22
XIN
1K R736
17 DFR P20
21
RESET
1K
20
X701
19
4.0MHz
18
17
R715
15K
10 1112 13 14 15 16
R726 1K
R728 1K
R729 1K
R731 1K
R732 1K
R733 1K
R735 1K
R725 R721
15K
15K
+B
D740
1N4148
R741
3.3K
Q740
2SC1815GR
R744
R740
4.7K
C740
R745
0.01
10K
@
to 12 are waveform numbers shown in page 22.
2
Figure 12 SCHEMATIC DIAGRAM (1/6)
SW761
CD LID
C803
0.1/50
R802
100K
C804
0.001
R804 C805
2.2K 0.033
R805
C806
0.033
6.8K
C807 R806
0.1/50 100
C809
R807
1K 0.047
R809
R808
27K
12K
R811
3.3K
+B
R828
1K
R829
R839
22K
GND
R840
22K
C811
0.1
+B5V
DIGITAL GND
PU IN
WRQ
SQOUT
DRF
SL–
SL+
RWC
CO IN
CQCK
RES
+B
+B
R742 IC801
1K
PIN PIN
NO. VOLTAGE NO. VOLTAGE
C741
1 2.5V 23 2.5V
3.3/50
10K
2 2.5V 24 2.5V
2.5V
3 2.5V 25
4 2.5V 26 2.5V
R743
100K 5 2.5V 27 2.5V
2.5V
6 2.5V 28
7 2.5V 29 2.5V
D741
8 2.5V 30 2.2V
1N4148
2.2V
9 2.5V 31
10 2.5V 32 0V
11 2.5V 33 0V
5V
12 2.5V 34
13 2.5V 35 5V
14 2.5V 36 4.8V
0V
15 2.5V 37
16 2.5V 38 5V
17 2.5V 39 0V
2.5V 40 0V
18
2.5V 41 1.5V
19
20 2.5V 42 2.4V
2.5V 43 2.5V
21
22 0V 44 2.5V
3 4
– 12 –
LASER DRIVER
Q805
S9012H
+B
R842
C848
22
C849
1/50
0.022
+B
64 63 62 61 60 59 58 57 56 55 545 3 5 2 51 50 49
VCC1
1
FIN2
2 FIN1
3 E
4
F
R803
5
TB
15K
TE-
6
TE IC801
7
LA9241M
8
TESI
9
SCI
SERVO AMP.
C808
0.068
10 TH
11
TA
17 FD–
12 TD–
C810
180P
13 TD
14
JP
TO
15
16 FD
17 18 19 20 21 22 23 24 25 26
R813 C812
C816
33K 330P
0.001
R817
R812
C813
82K
15K
0.1
R822
1K
R823
6.8K
1.2K
R815
R816
C814
47K
1.5K
0.01
VREF
IC802
PIN PIN PIN
NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE
0V 0V 23
45 1 5V
2.5V 2 0V 24 0V
46
47 2.5V 3 1.5V 25 0V
0V 0V 26
48 4 0V
49 0V 5 2V 27 0V
50 2.4V 6 5V 28 0V
4.1V 0.3V 29
51 7 0V
4.7V 8 0V 30 5V
52
53 0V 9 2.5V 31 2.5V
54 0V 2.5V
10 32 0V
55 5V 11 0V 33 0V
56 5V 12 0V 34 0V
2.5V 0V 35
57 13 5V
58 2.5V 14 5V 36 4.7V
37
59 0.9V 15 0V 2V
0.9V 4.8V 38
60 16 0V
61 2.1V 17 5V 39 0V
4.2V 40
62 18 5V 2V
0V 0V 41
63 19 4.7V
64 5V 20 0V 42 0V
43
21 2.5V 5V
22 0V 44
2.3V
5
R871
C850
4.7K
0.1
48
47
TBC
FSC 46
45
GND
SLI 44
R
C834
0.033 33
48 NC
R836
47K
R833
43
SLC
5.6K
42
RFS-
C830
C832
2P R832
27P(CH
56K
(CH)
41
RFSM
R835
40
CV+
470 0
CV- 39
SLOF 38
HFL 37
TES 36
TOFF
35
TGL
34
JP+
33
27 28 29 30 31 32
R810
82K
R827
220K
C821
1/50
PIN
NO. VOLTAGE
45 2V
46
0V
47 0.1V
48 2.2V
49
0V
50 2.5V
51 0V
52
2.5V
53 0V
54
0V
55
0V
56 4.1V
57
4.1V
58
5V
59 0V
60
2.7V
61
2.4V
62 0V
63
0V
64
0V
6