Sharp CD-C811W Service Manual page 30

CD-C811W/821W
CD-C811W/821W
A
CNS1B CNS1A
5 1
K
B
4 2
E
3 3
A
4
B 2
1 5
F
C
PICKUP UNIT
K 5
E 4
3
A
B 2
D
1
F
1
2
3
4
5
6
E
7
8
CNS2B
TR–
1
TR+
2
FO+
3
FO–
4
GND
5
PD
6
VR
7
LD
F
8
CD MOTOR
PWB-C
M1 +
SPINDLE M
SPIN
MOTOR
–
G
+
M2
M
SLID
SLIDE
MOTOR –
SW4
PU-IN
PICKUP IN
H
• The numbers 1 to
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
R2
1K
C15 C1
0.01 47/16
C2
Q1
0.01
2SA1318
LASER DRIVER
K
1
A
2
B
3
E
4
F
5
C4
CNP1
0.1/50
R9
TE
100K
R10
C54
0.033
2.2K
0.001
C6
0.033
R11
6.8K
R12
100
R13 C9
0.047
1K
0.068
R14
R15
27K
12K
R16
3.3K
1/16
C12
0.1
TR+
FO+
FO–
TR–
ACTUATOR
CNS2A
TR–
TR–
1 1
TR+
TR+
2 2
FO+
FO+
3 3
FO–
FO–
4 4
GND
5 5
PD
6
6
VR
7 7
LD
LD
8 8
CNP2
C36
100/16
C55
100/16
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
1 1
1 1
12 are waveform numbers shown in page 40.
2
Figure 30 SCHEMATIC DIAGRAM (13/15)
R1 C3
22 1/50
C34
0.33/50
64 63 62 61 60 59
VCC1 LDS
– +
2.5V
FIN2
1 RF
REF – +
REF
2.5V FIN1
2
FE1
– +
REF – +
E REF
3
2.5V
F
VCR
4
VCR
2.5V REF – +
2.5V TB
5
– +
R8 VCR
15K VCR
TE– – +
REF
6
2.5V
TE
7
2.5V
REF SERVO AMP.
C5
REF
TESI
8
2.5V
2.5V
SCI
9
TGL1
C7
THDL
REF
0.1/50
TH
10
2.5V
C8 NC
2.5V 11
JP FSC
2.5V
12 REF
FOSTA
GEN
TD–
C10 TO GEN
180P
REF
TD REF
13
GEN
2.5V
JP
14 REF
2.5V
TO
15
2.5V
FD
16
2.5V
FD– FE
R17
20
17 18 19 21 22 23
33K
C11 R18
R26
0.1 15K
82K
R19
C14
1K
0.01
R27
R24
R25 39K
47K
1.5K
VREF
2.5V 0.1V
LD_M+
1 42
TO
2.6V 0.1V
2 LD_M–
41
FD
7.2V
3 40
FO (GAIN) VCC4
2.9V
3.3V
4
FO+ M– 39
3.3V 3.3V
5 38
FO– M+
5.3V
3.3V
6 SOL– 37
TR+
3.3V 5.3V
7 36
TR– SOL+
8 35
0V
0V
9 34
0V
0V
0V
10 0V 33
0V
GND 32
11 0V
GND
0V
0V
12 31
0V
0V
13 30
0V 0V
14 29
3.3V
SL–
15 VCC3 28
3.3V
3.3V
SL+
16 SP+ 27
3.3V
3.0V
SP–
17 SLD 26
2.5V
7.2V
25
18 VCC1 SPO
5.0V
7.2V
19 STANDBY (SPN)VCC2 24
2.5V
0V
20 Vref SOLD 23
0V
21 MUTE SOL– 22
0V
3 4
– 30 –
58 57 56 55 54 53 52 51 50 49
DEF
NC 4 8
0V
TBC 4 7
EFBAL
DEF
FSC
FOSTA 4
– +
HFL DGND
4 5
TOSTA
CE
SLI
2FREQ 44
REF
DRF CL
LASER
FSTA
IC1
8/12CM
LA9241M
SLC
SLOF 43
VCC
RFS–
42
C24
REF CV– REF
2.2P
CV+
RF 41
RFSM
FSTA
JP–
REF
JP
JP+ CV+
40
CV–
JPCLO 39
SLOF
REF
38
OR
37
HFL
SLOF
REF
TES
36
TOFF 35
TGL
34
JP+
33
SLD
24 25 26 27 28 29 30 31 32
C17
0.001
0V
R30
6.8K
R33 R32
1.2K 10K
R31
1.2K
C21
0.0033
10
R34
1K
+B
C82
100/16
C77
11.2V
100/16
5
C28
0.1
2.5V
6
2.5V
0V
2.4V
R44
C26
33K
0.033
R41
R42
47K
47K
2.4V
C25
R40
R39
27P
5.6K
2.4V 1K
R43
C23
56K
0.0027
HF
1.6V
R38
TP1
470
0V
0V
5V
0V
0V
5V
5V
0V
C22
220P
C57
GND
0.001
C35
R37
1/50
82K
D1
1SS133
+B
+B
+B
R47
10K
+B
1 2 3 4 6 8
5 7
CNP12
CNS7
FROM DISP
P19 10-H (CD
P25 12-D (CD
6