Schematic Diagram / Wiring Side Of P.w.board - Sharp CD-C492 Service Manual

CD-C492/492C
A
CNS1B
K
5
B E
4
A
3
B
2
F
1
C
LD
MON
K
E
B
LD
GND
A
F
2200P
C
LT0H30M1
1M
2200P
1M
D
TR+
FO+
FO–
TR–
ACTUATOR
PICKUP UNIT
E
F
+
M1
M
DISC
–
MOTOR
+
M2
M
SLIDE
MOTOR
–
SW4
PICKUP
IN
G
CD MOTOR PWB-K
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
1
R2
1K
C1
C15
47/16
0.01
1.5V 4.8V
Q1
4.2V
KTA1266 GR
CNS1A
9
K
1 1
A
2 2
B
3 3
E
4 4
F
5 5
C4
CNP1 0.1
R8
R9 15K
TE
100
2.5V
R10
C5
2.2K 0.033
C6
0.033
R11
6.8K
C7
0.1/50
R12
100 C8
C9 0.068
0.047
R15
R14
12K
27K
C10
K
5
180P
R16
E
4 3.3K
A 8
3
B
2
F
1
TR–
1
TR+
2
FO+
3
R21
FO–
22K
4
R22
GND
5
22K
PD
6
C12
VR
7 0.1
LD
8
TR–
TR– 1 1 1
TR+
TR+
2 2 2
FO+
FO+ 3 3 3
FO–
FO–
4 4 4
GND
5 5 5
PD 6 6 6
VR
7 7 7
LD
8 8 8
LD
CNP2
C36
100/16
SP+
6 6 6 6
SP–
5 5 5 5
SL2+
4 4 4 4
SL2–
3 3 3 3
CD2PUIN
2 2 2 2
1 1 1 1
2 3
Figure 26 SCHEMATIC DIAGRAM (1/20)
R1
10
C3
1/50
64 63 62 61 60 59 58 57 56
VCC1
–
2.4V
FIN2
1 RF
– +
REF
– +
REF
2.4V
FIN1
2
FE1
– +
– +
REF – + DEF
2.5V E REF
3
– +
HFL
2.5V F
VCR
4
VCR
REF
– +
– +
TB DRF
2.4V
5
– +
VCR
2.5V
IC1
VCR
TE– REF
– +
6
LA9241M
TE
7
SERV
REF
– +
– +
REF
2.5V
VCC
TESI
8
– +
REF
9
– +
SCI – +
TGL1
2.5V
REF
GL
FSTA
THDL
REF REF
2.4V
TH
JP
10
2.5V THD
JP
NC
11
FSC
2.5V
REF
12
REF FOSTA
TD– GEN – +
TO GEN
2.5V REF
– +
TD REF
13
– +
GEN
2.5V JP
14
REF
TO – +
2.5V
15
2.5V
16
FD
R17 17 18 19 20 21 22 23 24 25 26
33K
R18
C11
15K
0.1
1 C14
0.01
R27
VREF
R24 R25 39K
47K 1.5K
C18
0.47/50
1 2.5V
36
0V
2 2.5V 35
0V
3
0V 34
0V
4
2.5V 33
2.5V
2.5V
5 32
2.5V
6 2V 31
1.8V
30
7 2V
1.8V
0V
8 0V 29
0V
9
0V 28
0V
10 27
0V
0V
0V 26
11
12 0V 25
2V
R48
2V
24
13 2V
10K
14 2.5V 23
2.5V
15 2.5V 22
2.5V
16 0V 21
2.5V
4.7V
17 4.7V 20
19
18 0V
0.7V
+B
4
– 26 –
55 54 53 52 51 50 49
0V
NC 48
C28
0.1
2.5V
2 TBC 47
EFBAL
FSC 2.5V
FOSTA 46
0V R44
DGND
TOSTA 45
33K
CE
REF
SLI 2.4V
2FREQ 44
CL
C26
LASER
0.033
FSTA
R41
R42
8/12CM
47K
2.5V
47K
3
SLC
SLOF 43
C25
R40 R39
27P
5.6K 1K
2.4V
RFS–
42
REF
CV–
C24 R43
– +
2.2P
56K
1.5V
CV+
RFSM
RF 41
JP– HF
R38
4
– + TP1
470
0V
JP+ CV+
40
JPCLO
0V
CV–
39
10
SLOF 4.8V
5 38
OR
0V
HFL
37
REF
0V
TES
– +
36
4.8V
TOFF
35
4.8V
– + TGL
34
JP+
0V
33
SLD
6
27 28 29 30 31 32
R36
R33
220K
1.2K
7
R34
22K
GND
C35
R37
D1
1/50
82K
1SS133
12
D4
1N4004S
+B
CNP12
1 2 3 4 5 6 7
5 6
C23
0.0027
C22
220P
C57
0.00
CNS
TO MA
P31