Sharp CD-C1831V Service Manual page 22

CD-C1831V
A
CNS1B CNS1A
B
1
K 5 1
E 4 2 2
A 3 3 3
B 2 4 4
1
F 5 5
CNP1
C
PICKUP UNIT
1/16
K 5
4
E
A 3
D
2
B
F 1
2200P
1
TR+
2
FO+
3
4
5
6
FO-
E
7 TR-
8
ACTUATOR
CNS2B CNS2A
TR-
1
1
TR+
2 2
FO+
3 3
FO-
4 4
GND
5 5
PD
6
6
VR
7
7
F
LD
8
8
CD MOTOR PWB-D
M1
G
SPINDLE
CNP3A
MOTOR
+
6 6
M
SPIN
- 5 5
M2
+
4 4
SLED
M
SLIDE
MOTOR
3 3
-
2 2
SW4
PU-IN
PICKUP
1 1
IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
R2 1K
C1
LASER
C15
47/10
DRIVER
0.01
Q1
R1
KTA1504GR
12
C2 C3
0.01
1/50
K
9
A
B
E
F
C4
0.1
R8
15K
R9
100K
C54
0.001
R10 C5
2.2K 0.033
C6
R11
0.033
6.8K
R12 C7
0.1
100
C8
C9
R13
0.068
0.047
1K
R14
R15 C10
27K
12K 180P
!
R16
3.3K
Q56
KTC3876Y
8
R17
33K
R18
15K
R20
1K
R6
15K
R21
R19
1.5K
1K
R22
820
C12
0.1
PD
TR-
TR-
1
TR+
TR+
2
FO+
FO+
3
FO-
C76
FO-
4
0.022
GND
5
PD
6
VR
7
LD
8
LD
CNP2
C36
100/10
C55
100/10
R56
6.8K
+B
SP+
6 6
SP-
5 5
SL_+
4 4
SL_-
3 3
CD_PUIN
2 2
1 1
CNP3
2
Figure 22 SCHEMATIC DIAGRAM (7/11)
+B
R46
560
6 4 6 3 6 2 6 1 6 0
59 5 8 5 7
-
FIN2
RF
1
+
REF - -
+
REF
FIN1
2
- FE1 +
REF -
-
E
3 REF -
+
F VCR
4
- VCR
REF
+
-
TB
5
-
VCR
IC1
VCR
-
TE-
REF
6
LA9241M
TE
7
SERVO AMP.
REF
+
- +
REF
-
VCC
TESI
8 +
SCI
9 +
+
- TGL1
REF
GL
THDL
FSTA
TH
THD
1 0
+
1 1 JP
FSC
TD-
1 2
REF
+ REF
FOSTA
GEN
-
TO
GEN
+
REF
-
TD REF
1 3 + +
GEN
-
JP
4
1
REF
+
TO
+ -
1 5
FD
1 6
1 7 1 1 9 2 0 2 1 2 2 2 3 24 2 5
8
C11 C13
0.1 330P
R26
C16
R23
82K
1 0.0047
10K
C14
0.01
R31
R27
R24 R25 1.2K
39K
47K 1.5K
VREF
1 TO LD_M+ 4 2
2 FD LD_M- 4 1
FO (GAIN)
3 VCC4 40
FO+ M-
4 3 9
M+
5 FO- 3 8
6 TR+ SOL- 3 7
SOL+
TR- 3 6
7
8 3 5
9 3 4
C82
1 0 3 3
100/10
GND GND
1 1 32
C77
1 2 3 1
100/10
1 3 3 0
4 1
2 9
SL-
1 5 VCC3
2 8
SL+
1 6 SP+ 2 7
SLD SP-
1 7 2 6
1 8 VCC1 SPO 2 5
1 9 STANDBY (SPN)VCC2 24
2
0 Vref SOLD 2 3
SOL-
2 1 MUTE
2 2
3 4
– 22 –
R45
4.7K
5 6 5 5 5 4 5 3 5 2 5 1 5 0 4 9
4 8
C29
2
4.7/25
TBC 4 7
EFBAL
DEF
FSC
FOSTA 4 6
HFL
DGND
TOSTA 4 5
CE
REF SLI
44
2FREQ
DRF
CL
LASER
FSTA
8/12CM
SLC
4 3
SLOF
R40
5.6K
RFS-
4 2
REF
REF CV-
+
CV+
RFSM
RF
41
HF
REF JP-
TP1
+
JP
CV+
JP+
40
CV-
JPCLO
3 9
4
10
SLOF
3 8
OR
HFL
3 7
REF
TES
3 6
-
TOFF
3 5
TGL
3 4
-
JP+
3 3
6
2 6 2 7 2 8
2 9 3 0 3 1 32
12
C17
0.001
R30
R36
6.8K
R33 R32 7
C21
220K
1.2K 10K
0.0033
R34
R35
1K
220K
R37
82K
+B
5
+B
C28
0.1
2
R44
1
33K
C26
3
0.033
R42 2 R54
10K
47K
1
C25
R39
3
27P(CH)
1K
R43
56K
R38
C23
470
0.0027
3
5
C35
1/50
D1
KDS193
+B
+B
+B
+B
CNP12
1 2 3 4 5 6 7 8 9 1 0 1 1
CNS12
P21 12 - B
TO DISPLAY PWB
6