CD-C423H (serv.man4). Schematic diagram and PWB layouts - Sharp Audio Service Manual (repair manual). Page 10

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CD-C423H
– 30 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 30 SCHEMATIC DIAGRAM (4/10)
C53 220P
CNS2
CNS2
CNP2
CNP3A
CNS3B
CNS3A
CNP3
R10
82K
CNP1
C21
1/50
D2
1SS133
R45
1K
R47
1K
IC5
M56748FP
FOCUS/TRACKING/
SPIN/SLIDE DRIVER
C24
1/50
R29
1K
R28
1K
IC1
LA9241M
SERVO AMP.
R34
1K
C32
27P
R41
4.7K
C31
0.0027
R35
470
R42 560
R24
10K
R25
1.2K
C18
1/50
C19
47/16
R27
220K
C20
0.0033
R26
220K
C14
0.01
C11
0.1
C45
4.7/25
R13
33K
R15
47K
R14
10K
R16
1.5K
R19
39K
R39
22K
R40
22K
R54
1K
R61
15K
C94
0.001
R12
15K
C13
0.1
C44
100/10
R31
10K
R30
15K
C15
0.0047
R2
100K
R3
10K
C4
0.001
C5
0.033
R4
2.2K
C6
0.033
R5
6.8K
R6
100
C7
0.1/50
C8
0.068
C9
0.047
R7
1K
C10
180P
R8
12K
R9
27K
R11
3.3K
C17
0.47/50
R23
1.2K
R22
6.8K
C16
0.001
R21  56K
R20  10K
R37
47K
R38
33K
R32
56K
R36
47K
C34
0.033
R33
5.6K
C30
2.2P
C33
0.001
C35
0.1/50
C37
220/6.3
C38
0.01
C39
0.47/50
C40
0.33/50
R17
82K
C12 330P
C1
0.01
Q1
KTA1266 GR
R1 1K
C2
47/16
R43
12
C3
0.1/50
8
7
6
5
4
3
2
1
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
21 22 23
20
A
5
4
1
2
3
5
4
3
2
1
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 19
20 21 22 23
24 25 26
27 28
29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
M2
SLED
MOTOR
M1
DISC
MOTOR
CNS1B
CNS1A
C25
0.01
HF
+
++
+
+
+
+
+
+
+
+
+
+
+
++
+
+
+
+
+
+
+
CV+
CV–
SLOF
HFL
TES
TOFF
TGL
JP+
JP–
RFSM
RFS–
SLC
RF
REF
OR
REF
REF
REF
REF
SL+
SL–
SLD
SLEO
SPO
SP–
SPG
SPI
SP
AGND
FE–
FE
FA
FA–
FD–
GEN
GEN
GEN
FD
TO
JP
TD–
TD
TH
REF
JP
TO
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
+
+
+
+
+
+
REF
REF
REF
SCI
TESI
TE
TE–
TB
FIN1
FIN2
VCC1
LDS
BHI
PHI
LF2
VR
REF1
VCC2
DRF
CE
DAT
CL
CLK
DEF
SLI
DGND
REF
LDO
RF
REF
FE1
VCR
VCR
VCR
VCR
TGL1
THDL
GL
THD
VCC
DEF
HFL
DRF
CE
CL
SLOF
FSTA
LATOH
TOSTA
FOSTA
S.Q.R
FSTA
8/12CM
LASER
2FREQ
JP+
JP–
CV+
CV–
REF
REF
JP
REF
++
EFBAL
FSC
FOSTA
FE1
FSC
SLOF SLOF
SLOF
JPCLO
FSS
TBC
GND
FO–
F
B
A
E
K
LD
VR
PD
GND
FO+
TR+
TR–
B
LD GND
LTOH30M1
1M
0.0022
1M
220P
C
F
A
E
K
LD
MON
ACTUATOR
TR–
FO–
FO+
TR+
TE
VREF
SW4
PICKUP IN
CD MOTOR PWB-F
PICKUP UNIT
PUIN
SL–
SL+
DRF
TO MAI
MICON
P2
A
F
B
E
K
F
E
B
A
K
TO MAIN PWB(1/3)
TAPE SECTION
P28 1-E
M_GND
MOTOR GND
TP1
+5V
LD
VR
PD
GND
FO–
FO+
TR+
TR–
LD
VR
PD
GND
FO–
FO+
TR+
TR–
SP+
SP–
–
SL+
SL–
PU-IN
M
M
+B
+B
+
–
+
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
F
E
––
9
8
1
10
6
5
4
3
2
7
12
• The numbers   
1 
  to  
12 
 are waveform numbers shown in page 20.
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