Service manual
– 27 –
CD-PC1881V
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Figure 27 SCHEMATIC DIAGRAM (10/12)
CV33
330/6.3
R54
10K
C41
4.7/25
Q54
KTC3876 Y
R50
680
X1
16.93MHz
C50
0.022
C75
0.001
C59
100/10
C51
100/10
L61
0.82µH
R70
100
R64
22
RV77
2.2K
CV35
10/16
R69
1K
D91
KDS193
RV78
47K
RV79
47K
CV37
47P
(CH)
CV36
47P(CH)
CV31
180P
D92
KDS193
R82
1.5K
D93
KDS193
R83
1.5K
CV30
180P
CV34
10/16
RV76
2.2K
ZD61
Z02W5.6Y
C52
100/10
C39
0.01
Q53
KTC3265 Y
R76 1K
R77 1K
R78 1K
R75
1K
R68
1K
R67
1K
C48
100P
C56
0.022
IC2
LC78631E
SERVO/SIGNAL
CONTROL
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
4
8
4
7
6
4
4
5
44
4
3
4
2
41
24
24
3
2
23
2
2
2
1
0
2
1
9
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
Q51
KRC102S
IC4
8
7
6
5
4
3
2
1
CV28
180P
RV72
10K
R41
47K
C22
220P
C24
220P
RV70
6.8K
CV27
560P
RV66
8.2K
CV26
560P
RV65
8.2K
RV64
8.2K
RV67
8.2K
RV69
6.8K
RV71
6.8K
RV68
6.8K
R51
3.3M
R48
3.3M
CV32
0.1
RV83
100
RV82
27K
C44
100P
C45
100P
R81
2.2K
R80
2.2K
R91
1K
R60
1K
C47
100P
R84
2.2K
R90
220
C49
100P
C46
100P
R57 1K
R58 1K
R61 1K
R63 1K
R62 1K
C38
0.01
R66
220
Q52
KTC3265Y
C27
0.0039
R52
68K
C40
0.1
C58
220P
R53
470
RV81
47K
CV38
100/10
RV74
10K
RV73
10K
CV29
180P
RV75
10K
R59 1K
R49
100
SBUSY
+
-
+
-
EMPH_B
VCOC
DEFI
COIN
SQOUT
RWC
WRQ
FSX
DOUT
SBCK
SFSY
P4
TEST3
TEST2
PDO1
V/P
CLV-
CLV+
TEST1
EFMI
VSS
EFMO
TAI
ISET
AVDD
FR
AVSS
PW
EFLG
SBSY
MUTER
RVDD
RCHP
RCHN
RVSS
DFLRO
LRCKO
P5
SLD-
SLD+
JP-
JP+
VDD
TEST4
THLD
TGL
TOFF
FSEQ
PCK
TES
HFL
CS
TEST5
4.2M
16M
CONT2
FAST
RES
CQCK
PD02
VPDO
XVDD
XIN
XOUT
XVSS
LVSS
LCHN
LCHP
LVDD
MUTEL
C2F
ROMXA
CK2
LRSY
P3/DFLR
CONT1
DACKO
P23 12 - D
M DISPLAY PWB
FROM
MAIN PWB
P18 6 - A
OP/CLOS
UP/DOWN
DISC NO.
D_GND
DRF (ASP)
SLD+
SLD-
PUIN SW
+12V
D-GND
+7V
L-CH
A_GND
R-CH
+5V
1
2
3
4
5
6
7
8
9
1
0
1
5
4
1
1
3
1
2
1
1
1
0
9
8
7
6
2
3
4
5
6
1
CNP11
8
0
80
7
9
79
7
8
77
7
6
7
5
7
4
7
3
7
2
7
1
7 0
9
6
8
6
6
7
6
6
66
6
5
65
4
0
3
9
3
8
7
3
3
6
5
3
3
4
3
3
3 2
3
1
3
0
9
2
2
8
2
7
6 2
2
5
C2PO
DATAD
BCLK
LRCK
SBUSY
RESET
AUCLK
GND(A)
GND(D)
+12V(A)
+7V
AULRCK
AUDO
AUBCK
+5V
SOL
MO_SPEED
LD_M-
LD_M+
CNP10
C37
0.022
M-
M+
CD_D_NO
SOL+
SOL-
M+
M-
GND(D)
OPEN CLOSE
DISC NO.
GND(D)
MECHA UP
GND(D)
CNS10
BIM5
LOCK
SW2
MECHA UP
+
-
1
1
2
3
4
5
6
7
8
9
1
0
2
3
4
5
6
1
2
1
2
M
M3
T/T
UP/DOWN
LOADING
SW1
OPEN
CLOSE
CD SIGNAL
+B
+B
+B
+B
+B
+B
IC4
BA4558F
OPE AMP.
2
1
3
CNS11
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
5
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
SOLM2
SOLENOID
SW3
DISC NUMBER
CNS5
3
2
1
1
3
2
3
1
2
CNS12
11
CD TRAY PWB -E
CD VIDEO PWB-B (1/2)
P28 1 - B, 1 - F
TO VIDEO SECTION
39
38
P1/DFIN
P0/DFCK
P2
40