Schematic Diagram / Wiring Side Of P.w.board - Sharp CD-C452 Service Manual

CD-C452/C452C
A
B
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
SLED
MOTOR
–
SW4
PICKUP
IN
G
CD MOTOR PWB-E
H
• The numbers 1 to 12
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
1
C15
0.01
C2
0.01
K 5
K
4 1 1
E
A
A 3 2 2
B
B 2 3 3
E
4 4
F 1
F
5 5
C4
CNP1 0.1/50
9
5 K
R16
4
E
3.3K
A
3
2 B
1
F
1 TR–
2 TR+
3 FO+
4 FO–
5 GND
6
PD
7
VR
8
LD
TR– 1 1 1
TR+ 2 2 2
FO+ 3
3 3
FO– 4 4 4
GND 5 5 5
6
PD 6 6
7
VR 7 7
LD 8 8 8
CNP2
SP+
6 6 6 6
SP–
5 5 5 5
SL_+
4 4 4 4
SL_–
3 3 3 3
CD_PUIN
2 2 2 2
CD_GND
1 1 1 1
are waveform numbers shown in page 10.
2 3
Figure 14 SCHEMATIC DIAGRAM (1/10)
R2
+B
1K
Q1
KTA1266 GR
1.5V
4.8V
R1
22
4.2V
64 63 62 61 60
+ –
2.4V FIN2
1 RF
REF
+ –
2.4V FIN1
2
–
REF –
+
+
2.5V E
3
2.5V
F
VCR
4
– VCR
+
2.4V
TB
5
–
R8
+
15K
2.5V VCR
TE– –
6 +
TE 2.5V TE
7
REF + –
+ –
C5
R10
REF
2.5V
0.033
2.2K
TESI
8
C6
R11
0.033 2.5V
6.8K
SCI
9
+ – TGL1
C7
R12 0.1/50
THDL
REF
100 2.4V
TH
10
R13 C9
C8
1K 0.047
0.068 2.5V JP
11
FSC
2.5V TD–
12
FOSTA
REF
+ –
GEN
R14 TO
GEN
R15
27K + –
REF
12K
C10 2.5V
TD
13
+ –
GEN
180P
2.5V JP
14 REF
+ –
2.5V TO
15
2.5V FD
16
8
17 18 19 20 21 22 23
R17
33K
R18
C11
15K
0.1
C14
0.01
1
R24 R25
47K 1.5K
C12
0.1
1
2.5V 0V 36
2 2.5V 0V
35
3 0V 0V 34
4 33
2.5V 2.5V
5 2.5V 2.5V 32
6 2V 1.8V 31
7 2V 1.8V 30
8 0V 0V 29
9 0V 0V 28
0V 0V 27
10
0V 0V 26
11
2V 2V
12 25
2V 2V 24
13
2.5V 2.5V
14
23
2.5V 2.5V 22
15
0V 2.5V
16 21
C36
100/16 4.7V 4.7V 20
17
19
18 0V 0.7V
4
– 14 –
59 58 57 56 55 54 53 52 51 50 49
0V
48
+ –
2
TBC
47
REF
2.5V
EFBAL
+ –
DEF
2.5V
46
FOSTA FSC
+ –
DGND 0V
HFL
45
TOSTA
CE
SLI 2.4V
2FREQ 44
REF
+ –
CL
DRF
LASER
VCR
IC1
FSTA
3
LA9241M
8/12CM
SLC
SERVO AMP.
43
SLOF
2.5V
VCC
RFS– 2.4V
42
+ –
REF REF
CV–
+ –
+ –
CV+
41
GL RF
REF
JP–
RFSM
+ – 1.5V
FSTA
JP
JP+
4
CV+ 0V
JPCLO
40
CV– 0V
39
10
SLOF
4.8V
5
38
OR
HFL
0V
37
TES 0V
REF
+ –
36
TOFF
4.8V
35
TGL
4.8V
+ –
34
REF
JP+ 0V
33
REF
6
24 25 26 27 28 29 30 31 32
12
R30
R36
6.8K
R31 R33 R32
R27
220K
1.2K
39K 1.2K 10K
R34
R35
22K
220K
C84
0.001
R48
10K
+B
5
+B
C28
0.1
R44
33K
C26
0.033
R41 R42
47K
47K
C25
R40
R39
5.6K 27P
1K
R43
C24
56K
2.2P
HF
R38 C2
TP1
470 0.0
7
R37
C35
82K
1/50
D1
1SS133
D4
RL104A
CNP12
1 2 3
6