Sharp CD-PC671H Service Manual page 28

CD-PC671H/651H
A
CNS1B CNS1A
B
K
5 1
E
4 2
A
3 3
B
2 4
F
1
5
C
PICKUP UNIT
1/16
K 5
E
4
A
3
D
B 2
F
1
1
2
3
4
5
E 6
7
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
+
SPINDLE
M
SPIN
MOTOR
–
G
M2 +
M
SLED SLIDE
–
MOTOR
PU-IN
SW4
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
R2
1K
C1
C15
47/16
0.01
C2
0.01
Q1
2SA1318
IC1
LA9241M
SERVO AMP.
K
1
A
2
B
3
E
4
F
5
C4
CNP1 0.1/50 R8
15K
R9
TE
100K
R10
C5
2.2K 0.033
R11
C6 0.033
6.8K
R12
100
C8
0.068
C9
0.047
R15
R14
12K
27K
R16
3.3K
C12
TR+
0.1
FO+
FO–
TR–
TR–
1
TR–
TR+
2
TR+
FO+
FO+ 3
FO– C76
4
FO–
0.022
GND 5
PD 6
VR 7
LD
LD 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
CNP3
2
Figure 28 SCHEMATIC DIAGRAM (7/13)
R1
C34
22
0.33/50
C3
1/50
64 63 62 61 60 59 58
LDS
VCC1
–
+
FIN2
1
RF
REF –
+
REF
FIN1
2
FE1
–
REF –
+
+
E
3
F
VCR
4
VCR
REF –
+
TB
5
–
VCR
+
VCR
TE–
REF –
6 +
TE
7
REF
REF
TESI
8
SCI
9
TGL1
C7
GL
0.1/50
THDL
REF THD
TH
10
C10
11
JP
FSC
180P
12
REF FOSTA
GEN
TO
GEN
REF
TD
13
GEN
JP
REF
14
TO
15
FD
16
FD– FE
FA SPI
R17
21 23
17 18 19 20 22
33K
R18
R26
C11
82K
15K
0.1
R24 R25
R27
47K 1.5K
VREF
39K
1 TO
LD_M+ 42
2
FD 41
LD_M–
3 FO (GAIN)
VCC4 40
FO+
4 M–
39
5 FO– M+ 38
6 TR+ SOL–
37
7 TR– SOL+ 36
8 35
9
34
10 33
100/16
GND
11 GND 32
31
12
30
13
14 29
100/16
SL–
VCC3 28
15
SL+
16 SP+ 27
SLD SP– 26
17
VCC1 25
18 SPO
STANDBY (SPN) 24
19
VCC2
Vref 23
20
SOLD
MUTE
21 SOL– 22
3 4
– 28 –
57 56 55 54 53 52 51 50 49
NC 48
TBC
47
EFBAL
DEF
FSC
46
FOSTA
–
HFL DGND
+
45
TOSTA
CE
SLI
REF 44
2FREQ
DRF CL
LASER
FSTA
8/12CM
SLC
43
SLOF
VCC
RFS–
42
REF
REF CV–
CV+
RFSM
RF
41
FSTA
JP–
REF
JP
JP+
CV+ 40
JPCLO
CV–
39
SLOF
SLOF
REF
SLOF 38
OR
HFL
SLOF
37
REF
TES
36
TOFF
35
TGL
34
JP+
33
SLD
24 25 26 28
27 29 30 31 32
C20
C17
47/16
0.001
C19
1/50
R32
10K
R30
R31
6.8K
R33
1.2K
1.2K
R34
3.3K
R35
220K
C18
0.47/50
C82
C77
5
C28
0.1
R44
33K
C26
0.033
R41
R42
47K
47K
R40 C25
R39
27P
5.6K
1K
R43
56K
HF
C23
R38
TP1 0.0027
470
C22
220P
C57
GND
0.001
C35
R37
1/50
82K
D1
1SS133
+B
R47
10K
C37
0.022
CNP12
1 2 3 4 5 6
7 8 9
CNS12
FROM DISPLAY
P29 12-D
6