Schematic Diagram / Wiring Side Of P.w.board - Sharp CD-K477W Service Manual

CD-K477W
A
CNS1B
K 5
4
E
A 3
B
B 2
F 1
C
LD
MON
K
E
B
LD
GND
A
F
2200P
C
LT0H30M1
1M
2200P
D
1M
TR+
FO+
FO–
TR–
ACTUATOR
PICKUP UNIT
E
F
+
M1
M
SPINDEL –
MOTOR
+
M2
M
–
SLED
MOTOR
SW4
PICKUP IN
CD MOTOR PWB-K
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
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R2
1K
LASER
C15 C1
DRIVER
0.01 47/16
0V
5V
Q1
C2
KTA1266
0.01
C85
0.001
CNS1A
1 K 1
2 A 2
3 B 3
4 E 4
5 5
F
C4 0.1/50 R8
15K
TE
C54
0.001 R10
C5
2.2K
0.033
R11 C6
6.8K 0.033
C7
0.1/50
R12
100
C8 0.068
R13 1K
C9
0.047
R14 27K
C10
R15
180P
12K
R16
3.3K
5 K
4 E
3
A
2
B
1
F
TR–
1
TR+
2
FO+
3
4 FO–
5 GND
6 PD
7 VR
R22
8 LD 22K
C12
0.1
1 1
TR– 1 TR–
TR+ 2 2 TR+ 2
FO+ 3 3 FO+ 3
4
FO– 4 4 FO–
5 5 5
GND GND
PD 6 6 PD 6
7 7 7
VR VR
8 8 8
LD LD
100/16
6 6 6 6
SP+
5 5 5 5
SP–
4 4 4 4
SL+
3
3 3 3
SL–
2 2 2 2
PU-IN
1 1 1
1
2 3
Figure 22 SCHEMATIC DIAGRAM (1/18)
+B
R1
10
C3
1/50
R46
560
64 63 62 61 60 59
2.5V
FIN2
1
RF
2
REF
FIN1 REF
2.5V
+
FE1
REF
2.5V E
3
REF
4
2.5V F
VCR
2.5V TB VCR
REF
5
2.5V TE–
6
TE
7 VCR
2.5V IC1
VCR
2.5V
REF LA9241M
8
BAL
TESI
SERVO AMP.
2.5V
9
REF
SCI
REF
HIST.COMP
SHOCK;WCOMP
10
2.5V TH
REF
TGL1
TA
2.5V
11
GL
THDL
2.5V
12
TD–
THD
TD
13
2.5V WCOMP
– +
JP
REF
GEN
FSC
TO
2.5V JP
14
GEN REF
REF
+–
REF
+–
+–
2.5V TO
15 GEN
REF
2.5V
16
FD
17 18 19 20 21 22 23 24
2.5V
R17 33K
C11
C13
0.1
330P
R18 15K
R26
R23
R19
82K
10K
1K
VREF
R24 R25 C14
47K 1.5K 0.01
2.5V 0V
1
36
2.5V
STAND 0V
2
35
BY
0V
34
0V 3
2.5V
2.5V 33
4
+ 2.5V
2.5V
-
32
5
2V 1.8V
6 31
2V 1.8V
30
7
0V 0V
8 29
0V 0V
9 28
0V 0V
10 27
0V 0V
11 26
2V 2V
12 25
2V 2V
13 24
TSD
2.5V
2.5V
14
23
2.5V 2.5V
+
15 22
2.5V
+
0V 16 21
4.7V
4.7V
17 +
20
19
0V
C36
IC3 M56748FP
FOCUS/TRACKING
/SPIN/SLIDE DRIVER
4
– 22 –
R45
4.7K
C29
4.7/50
58 57 56 55 54 53 52 51 50 49
VCC
0V
NC 48
TBC 47
46
FSC
2.5V
FEBAL
DEF
FOSTA
HFL
0V
CLK
TOSTA
45
CE
DGND
DRF
2FREQ
CL
LASER
FSTA
DAT
SLI 2.5V
44
8/12CM REF
C27
+ –
SLOF
P-ON RES
0.001
VCC
2.5V
SLC
+
43
R40
-
5.6K
2.5V
REF
+ 42
RFS–
+ –
REF JP– C24
-
+
2.2P
JP
RF 41
PSTR JP+ 1.6V
RFSM
0V
REF CV– CV+
40
0V
CV–
39
CV+
5V
SLOF
38
0V
HFL
37
0V
OR
TES 36
+– SLOF 5V
REF
TOFF 35
5V
34
TGL
0V
JP+
33
25 26 27 28 29 30 31 32
C17
0.001
R30
6.8K
R31
1.2K
C18
0.47/50
GND
C35
1/50
R37
82K
R48
10K
D2
RL104A
5 6
C28
0.1
R44
33K
C26
0.033
R41
R42
47K
47K
C25
27P
R39
R43
1K
56K
R38
C23
470
0.0027
HF
C22
220P
D1
1SS133
D3 D4
RL104A RL104