Sharp CD-PC1881V Service Manual page 27

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