Service manual
CD-PC1881V
– 26 –
A
B
C
D
E
F
G
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23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
Figure 26 SCHEMATIC DIAGRAM (9/12)
• The numbers 1 to 12 are waveform numbers shown in page 39.
R54
10K
Q57
KRC102 S
C7
0.1
C30
0.1
R6
15K
Q55
KRC102 S
R15
12K
C10
180P
C29
4.7/25
C28
0.1
R45
4.7K
R44
33K
R42
47K
R38
470
C25
27P(CH)
D1
KDS193
R36
220K
R34
1K
R32
10K
R26
82K
R14
27K
R13
1K
R2
1K
C2
0.01
R16
3.3K
C19
1/50
R37
82K
C1
47/10
R43
56K
R22
820
CNP12
C21
0.0033
R35
220K
R20
1K
R19
1K
R17
33K
R18
15K
C11
0.1
Q56
KTC3876 Y
C4
0.1
C54
0.001
C23
0.0027
R39
1K
R40
5.6K
C26
0.033
R28 10K
C14
0.01
Q1
KTA1504 GR
C35
1/50
C8
0.068
C12
0.1
C20
47/10
C34
0.33/50
C31
220/4
C32
0.01
R1
12
R30
6.8K
C77
100/16
C76
0.022
IC3
M63001FP
FOCUS/TRACKING/SPIN/SLED DRIVER
C36
100/10
R56
6.8K
C55
100/16
C82
100/10
R12
100
C6
0.033
R11
6.8K
C5
0.033
R10
2.2K
C15
0.01
C3
1/50
R8
15K
R25
1.5K
R27
39K
C16
0.0047
R9
100K
R24
47K
R23
10K
IC1
LA9241M
SERVO AMP.
4
8
4
7
6
4
4
5
44
4
3
4
2
40
41
3
9
3
8
7
3
3
6
5
3
3
4
3
3
6
1
1
5
4
1
1
3
1
2
1
1
1
0
9
8
7
6
5
4
3
2
1
R21
1.5K
R46
560
CNP3
C9
0.047
R33
1.2K
C33
0.47/50
C18
0.47/50
R31
1.2K
C17
0.001
R29 56K
C13
330P
B
A
K
TR+
E
FO-
TR-
FO+
F
P23 12 - D
FROM DISPLAY PWB
(SPN)VCC2
VCC4
PICKUP UNIT
CNS2ACNS2B
LD
VR
PD
GND
FO-
FO+
TR+
TR-
ACTUATOR
FO+
FO-
TR-
TR+
1M
2200P
1M
2200P
1/16
K
F
B
E
A
F
B
A
E
K
CNS1ACNS1B
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
OP/CLOS
D_GND
RES(DSP)
WRQ(DSP)
RWC(DSP)
CQ CK(DSP)
CO IN(DSP)
SQ OUT(DSP)
DRF (ASP)
SLD+
SLD-
PUIN SW
LD
VR
PD
GND
FO-
FO+
TR+
TR-
HF
TP1
TBC
FSS
+
JPCLO
SLOF
SLOF
SLOF
FSC
FE1
FOSTA
FSC
EFBAL
-
- +
+
+
-
REF
JP
REF
REF CV-
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
LDO
REF
DGND
SLI
DEF
CLK
CL
DAT
CE
DRF
VCC2
REF1
VR
LF2
PHI
BHI
LDS
VCC1
FIN2
FIN1
E
F
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
RFS-
RFSM
JP-
JP+
TGL
TOFF
TES
HFL
SLOF
CV-
CV+
-
-
+
+
-
-
+
-
+
-
+
-
+
-
+
+
-
+
-
-
+
-
+
-
+
-
+
8
1
7
1
6
1
1
5
4
1
1
3
1
2
1
1
1
0
9
8
7
6
5
4
3
2
1
3
6
5
3
3
4
3
3
32
3
1
3
0
9
2
2
8
2
7
6 2
2
5
24
3 2
2
2
1
9
0
2
2
1
4
2
4
1
40
3
9
3
8
7
3
4
3
2
1
5
1
5
4
1
2
5
3
2
3
4
CNP1
2
1
5
3
4
4
6
3
8
1
7
5
2
CNP2
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
M
M
-
+
SPIN
M1
SPINDLE
MOTOR
-
+
SLIDE
PU-IN
CD_PUIN
SP+
SL_+
SL_-
SP-
1
1
1
1
0
9
8
7
6
5
4 3 2 1
3
6
7
1
3
4
1
2
5
6
7
8
4
4
5
1
8
7
5
2
2
8
3
6
6
4
6
3
6
2
1
6
6
0
59
5
8
5
7
6
5
5
5
5
4
5
3
5
2
5
1
0
5
4
9
32
3
1
3
0
9
2
2
8
2
7
6 2
2
5
24
3 2
2
2
2
1
0
2
1
9
8
1
7
1
C37
0.022
R47
10K
R5
1K
R4
1K
R3
1K
1
3
2
3
1
2
LASER
DRIVER
+B +B
!
+B
CD MOTOR PWB-D
M2
SLED
MOTOR
SW4
PICKUP
IN
6
5
4
3
2
1
+B
+B
+B
+B
+B
CNS12
CNP3A
2
3
4
5
1
7
8
9
6
12
10
CNS3A
CNS3B
NC
TA