Schematic Diagram / Wiring Side Of P.w.board - Sharp GX-CD30 Service Manual

GX-CD30/30C/130/130C
A
B
C803
0.1/50
R802
TE
100K
C804
0.001
R804
2.2K
R805
C
6.8K
R806
C807
100
0.1/50
C809
R807
0.047
1K
R809
27K
R808
12K
R811
3.3K
D
R828
1K
R839
22K
E
R840
22K
C811
0.1
F
IC801
PIN PIN
VOLTAGE NO. VOLTAGE
NO.
1 2.5V 33 0V
2 2.5V 34 5V
3 2.5V 35 5V
4 2.5V 36 4.8V
5 2.5V 37 0V
6 2.5V 38 5V
7 2.5V 39 0V
8 2.5V 40 0V
9 2.5V 41 1.5V
10 2.5V 42 2.4V
2.5V 2.5V
11 43
12 2.5V 44 2.5V
13 2.5V 45 0V
14 2.5V 46 2.5V
15 2.5V 47 2.5V
G
16 2.5V 48 0V
17 2.5V 49 0V
18 2.5V 50 2.4V
19 2.5V 51 4.1V
20 2.5V 52 4.7V
21 2.5V 53 0V
0V 0V
22 54
23 2.5V 55 5V
2.5V 5V
24 56
25 2.5V 57 2.5V
26 2.5V 58 2.5V
27 2.5V 59 0.9V
28 2.5V 60 0.9V
29 2.5V 61 2.1V
30 2.2V 62 4.2V
31 2.2V 63 0V
32 0V 64 5V
H
The numbers
1
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LASER DRIVER
Q805
KTA1266GR
1.8V
3V
R842
22
2.2V
C848
1/50
+B
64 63 62
–
FIN2
1
RF
FIN1
2 REF –
+
E FE1
–
3
REF
–
F
4
REF
TB
5
VCR
R803
REF –
15K +
TE–
6
TE
7
VCR
–
REF
8
BAL
C805
0.033
REF
9 +
–
C806
REF
0.033
HIST. COMP
C808
SHOCK;WCOMP
0.068
TH
10
TA
11
REF
TD–
12
C810 WCOMP
180P
JP
–
TD
13
FSC
GEN
REF
+
–
TO
JP
GEN
14
+
–
REF
GEN
+
–
–
TO
15
REF
FD
+
16
–
18 19
17 20
R813
33K
R812
C813
15K
0.1
R814
10K
R829
1K
R815
C814
47K
0.01
VREF
GND
IC802
PIN PIN
NO. VOLTAGE NO. VOLTAGE
1 0V 33 0V
2 0V 34 0V
3 1.5V 35 5V
4 0V 36 4.7V
5 2V 37 2V
6 5V 38 0V
7 0.3V 39 0V
8 0V 40 2V
9 2.5V 41 4.7V
P26 6 - F
10 2.5V 42 0V
FW852
0V 43 5V
11
12 0V 44 2.3V
TO DISPLAY
13 0V 45 2V
PWB
14 5V 46 0V
15 0V 47 0.1V
16 4.8V 48 2.2V
17 5V 49 0V
18 5V 50 2.5V
19 0V 51 0V
20 0V 52 2.5V
21 2.5V 53 0V
0V 54 0V
22
23 5V 55 0V
0V 4.1V
24 56
25 0V 57 4.1V
26 0V 58 5V
27 0V 59 0V
28 0V 60 2.7V
P22 4 - D
29 0V 61 2.4V
30 5V 62 0V FW851
31 2.5V 63 0V
TO MAIN PWB
32 0V 64 0V
1 to 12 are waveform numbers shown in page 27.
2
Figure 18 SCHEMATIC DIAGRAM (1/5)
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C849
0.022
C838
0.01
C839
1/50
61 60 59 58 57 56 55 54 53 52 51 50 49
VCC
+
–
REF
FEBAL
+
DEF
–
FOSTA
–
HFL
+
TOSTA
VCR
CLK
CE
2FREQ
+
DRF
–
CL
LASER
–
FSTA DAT
IC801
8/12CM
LA9240M
SLOF
SERVO AMP.
P-ON RES
+
–
VCC
+
REF
+ REF JP–
–
+
TGL1 +
REF JP
GL
JP+
THDL
RF
PSTR
THD REF CV–
+
CV+
OR
– SLOF
REF REF
–
REF
–
–
–
25 26 28 29 30
21 22 23 24 27
C816
C819
0.001
C812
47/10
330P
R821
56K
R822
6.8K
R816
1.5K
CD SIGNAL
5V
5V 12
DIGITAL GND
D-GND 11
PU IN
PUIN 10
WRQ
WRQ 9
SQOUT
SQOUT 8
DRF
DRF 7
SL (–)
SL– 6
SL (+)
SL+ 5
RWC
4
RWC
CO IN
3
COIN
CQCK
2
CQCK
RES
RES 1
CNP852
CNP851
DIGITAL GND
5
DIGTAL +7.4V
4
L-CH
3
AUDIO GND
2
R-CH
1
SERVO PWB-D
3 4
– 18 –
+B
R871
C850
4.7K
0.1
NC 48
TBC
47
FSC 46
45
DGND
R838
33K
SLI
44
REF
C834
0.033
R836
C833
0.001 47K
43
SLC
R837
R833
47K
5.6K
RFS–
42
R834
+ – C832
C830
R832
1K
27P
2.2P
56K
RFSM
41
R835
C831
HF 470
0.0027
40
CV+
39
SLOF 38
HFL
37
TES 36
35
TOFF
TGL 34
JP+
33 C822
220P
31 32
R827
220K
R810
82K
D802
1SS133
C821
C851
1/50
0.022
+B
5
R849
100K
6