CD-PC671H (serv.man4). Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 11

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CD-PC671H/651H
– 28 –
Figure 28 SCHEMATIC DIAGRAM (7/13)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
D1
1SS133
C77
100/16
R36 220K
C57
0.001
R1
22
R35
220K
C21
0.0033
C20
47/16
C82
100/16
C55
100/16
R56
6.8K
C36
100/16
IC3
M63001FP
FOCUS/TRACKING/SPIN/SLIDE  DRIVER
C25
27P
R39
1K
C15
0.01
R41
47K
R43
56K
R44
33K
R42
47K
R28
10K
R29
56K
C17
0.001
R30
6.8K
R20
1K
R19
1K
C3
1/50
R34
3.3K
R11
6.8K
C6  0.033
R10
2.2K
C5
0.033
C54
0.001
R8
15K
R9
100K
C16
0.0047
R27
39K
R25
1.5K
R24
47K
R17
33K
C29
4.7/50
C28
0.1
C14
0.01
C4
0.1/50
C35
1/50
Q1
2SA1318
R18
15K
C11
0.1
IC1
LA9241M
SERVO  AMP.
48
47
46
45
44 
43 
42 
41 
40 
39 
38 
37 
36 
35 
34 
33 
16 
15 
14 
13
12 
11 
10
C13 330P
R26
82K
R37
82K
C19
1/50
R33
1.2K
R32
10K
C32
0.01
C31
220/6.3
C30
0.1/50
C27
0.001
C24
2.2P
R40
5.6K
C26
0.033
R31
1.2K
C18
0.47/50
R16
3.3K
C10
180P
C8
0.068
C7
0.1/50
R12
100
R13
1K
R14
27K
C12
0.1
R2
1K
C1
47/16
C2
0.01
CNP3
R46
560
R38
470
R45
4.7K
C22
220P
R22
820
R21
1.5K
C34
0.33/50
C33
0.47/50
NC
SL_+
SL_–
CD_PUIN 
SP+ 
SP–
(SPN)
VCC2
VCC4
CNS2A
CNS2B
LD
VR
PD
GND
FO–
FO+
TR+
TR–
ACTUATOR
FO+
FO–
TR–
TR+
1M
2200P
1M
2200P
1/16

LD_M+
LD_M–
VCC3
M–
M+
SOL+
SOL–
SP–
SP+
SPO
SOL–
SOLD
MUTE
Vref
STANDBY 
VCC1
SLD 
SL–
SL+ 
GND
GND 
TR+ 
TR–
FO–
FO+ 
FO  (GAIN) 
FD
TO
GND 
LD
VR
PD
GND 
FO–
FO+ 
TR+ 
TR–
TP1
HF
TE
TBC
JPCLO 
SLOF
SLOF
SLOF
FSC 
FE1
FOSTA
FSC 
EFBAL
REF
JP
REF
CV–
REF
CV+
JP–
JP+
VREF
2FREQ
LASER
8/12CM
FSTA
S.Q.R
FOSTA
TOSTA
LATOH
FSTA
SLOF
CL
CE
DRF
HFL
DEF
VCC
THD
GL
THDL
TGL1
VCR
VCR
VCR
VCR
FE1
REF
+
+
+
+
+
REF
RF
REF
DGND
SLI
FIN2
FIN1
TB
TE–
TE
TESI
SCI
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
TO
REF 
JP
REF
TH
TD
TD–
JP
TO
FD
GEN
GEN
GEN
FD–
FA–
FA
FE
FE–
AGND
SP
SPI
SPG
SP–
SPO
SLEO
SLD
SL–
SL+
REF
REF
REF
REF
OR
REF
RF
SLC
RFSM
JP–
JP+
TGL
TOFF
TES
HFL
SLOF
CV–
CV+
CNP1
5
4
3
2
1





18 
17 
16 
15 
14 
13 
12 
11 
10 
36 
35 
34 
33 
32 
31 
30 
29 
28 
27 
26 
25 
24 
23 
22 
42 
41 
40
39 
38 
37 
19 
20 
21 
1 2 3 
NC
64 63 62 61 
60 
59 58  57
56 55 
54 53 52 51 50 49 
32 
31 
30 
29 
28 
27 
26 
25 
24 
23 
22 
21 
20 
19 
18 
17 
VCC1
LDS
LDO
BHI
PHI
LF2
VR
REF1
VCC2
FSS
DRF
CE
DAT
CL
CLK
DEF



CD_GND
CNP12 
CNP2
C37
0.022 
R47
10K
D_GND 
RES(DSP)
WRQ(DSP)
RWC(DSP)
CQ  CK(DSP)
CO  IN(DSP)
SQ  OUT(DSP) 
DRF(ASP) 
SLD+
R15
12K
C9
0.047 
TR–
TR+ 
FO+ 
FO–
PD
C76
0.022 
LD
CNS1A
CNS1B


+B
CNS12 
FROM  DISPLAY
P29 12-D
CNS3B
CNP3A
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
SW4
PICKUP  IN
– 
– 
CD  MOTOR  PWB-D
SPIN
SLIDE
PU-IN
CNS3A
RFS–
C23
0.0027
PICKUP  UNIT 
R23 10K
+
+
+
– +
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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