Sharp CD-PC1881V Service Manual page 27

R57 1K
R58 1K
R59 1K
R61 1K
R62 1K
+B
R63 1K
C38
0.01
C58
220P
R48
3.3M
C41
4.7/25 R51
3.3M
2 C39
R50
0.01
680
1
R53
470
3
R52 C27
2 R54
68K 0.0039
10K
C40
1
0.1
3
C22
220P
C24
220P
+B
C56
0.022
R82
1.5K
R83
1.5K
D92 D93
KDS193 KDS193
Q51
KRC102S
6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5
CNS12
P23 12 - D
M DISPLAY PWB
7
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R41
47K
+B
R60
1K
R49
100
8 0 7 9 7 8 77 7 6 7 5 7 4 7 3 7 2 7 1 7 0 9 6 6 6 7 6 6 8 6 5
1 VPDO 6 4
SBCK
2 PD02 6 3
SFSY
PDO1
79 DEFI PW 6 2
3
65
DOUT
AVSS
80 VCOC EFLG
4 6 1
FSX
66
FR
5 SBSY 6 0
AVDD
MUTER
6 59
ISET
RVDD
7 5 8
TAI
RCHP
5 7
8
EFMO RCHN
9 5 6
VSS
RVSS
1 0 5 5
IC2
EFMI
XVDD
1 1 5 4
TEST1 LC78631E
XIN
1 2 5 3
CLV+ 11
1 3 SERVO/SIGNAL XOUT 5 2
CLV-
XVSS
1 4 5 1
CONTROL
V/P
1 5 LVSS 5 0
TEST2
LCHN
4 9
1 6
LCHP
4 8
1 7 TEST3
LVDD
1 P4 4 7
8
MUTEL
HFL
1 9 38 P0/DFCK 4 6
C2F
2 0 TES
39 P1/DFIN 4 5
ROMXA
PCK TOFF
2 1 23 44
40 P2
FSEQ 24 TGL CK2
2 2 4 3
LRSY
2 3 4 2
P3/DFLR
24 41
3 2 3 3
2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 4 3 5 3 6 3 7 3 8 3 9 40
R67 R68
1K 1K
R80
2.2K
R81
2.2K
R91
3 1K
2
1
R84
R90
2.2K
220
8 9
Figure 27 SCHEMATIC DIAGRAM (10/12)
+B
+B
RV83
2
Q54
100
KTC3876 Y
RV81
47K
1
3
CV38
100/10
RV82
27K
X1
16.93MHz
CV30
180P
RV64 RV68
RV74
8.2K 6.8K
10K
CV26
RV66
560P
8.2K
-
6 7
RV70
RV72
+B
6.8K
10K +
5 8
CV28
CV32
180P
IC4
0.1
CV29
180P
3 + 4
RV65 RV69
8.2K 6.8K
RV73
-
10K 2
1
CV27
RV71
560P
6.8K
RV75
RV67
CV31
10K
8.2K
180P
R78 1K
+B
R77 1K
Q52
R76 1K
KTC3265Y
R75
1K
L61 R64
0.82µH 22
+B
C50
R69
0.022
1K
+B
+B
+B
+B
+B
+B
D91
KDS193
CNS10
CNP10
BIM5
SOL+
1 1
SOL-
2 2
M+
M+
3 3
M-
M-
4 4
GND(D)
5 5
OPEN CLOSE
6 6
CD_D_NO
DISC NO.
7 7
GND(D)
8 8
MECHA UP
9 9
GND(D)
1 0 1 0
1
2
CNS5
10
– 27 –
CD-PC1881V
CD VIDEO PWB-B (1/2)
CD SIGNAL
+B
CV34 RV76
R-CH
10/16 2.2K
1
A_GND
2
RV78
L-CH
CV36
47K 3
47P(CH)
D-GND
4
+B +7V
CV37
5
RV79
47P
+12V
CV35 47K
6
(CH)
10/16
+B
CNP11
RV77
2.2K
IC4
BA4558F
OPE AMP.
+B
Q53
KTC3265 Y
+B
R66
220 +B
R70
100
ZD61
Z02W5.6Y
C59
100/10
+B
+B
+B
+B
+7V
4
+12V(A)
+B
5
AULRCK
6
AUDO
7
AUBCK
8
GND(D)
9
C2PO
10
DATAD
11
BCLK
12
LRCK
13
LD_M+
14
LD_M-
15
MO_SPEED
16
SOL
17
+5V
18
GND(A)
19
RESET
20
AUCLK
21
SBUSY
22
SOLM2
SOLENOID
LOCK
1
2 M3
-
T/T
3
M
UP/DOWN
4
LOADING
+
5
SW1
OPEN
6
CLOSE
CD TRAY PWB -E
SW2
MECHA UP
1
2
SW3
DISC NUMBER
11 12
P18 6 - A
CNS11
FROM
MAIN PWB