Sharp CD-C811W Service Manual page 31

4
K
2
K
9
C22
220P
C57
0.001
D1
S133
R47
10K
2 3 4 5 6 7 8 9 10 11 12 13 14 15
CNS701
FROM DISPLAY PWB
P19 10-H (CD-C811W)
P25 12-D (CD-C821W)
7
R57 @ 1K
R58 @ 1K
R59 @ 1K
R61 @ 1K
C46
R62 @ 1K
100P
(CH)
R60
R63
C38
1K
1K
0.01
61 60 59 58 57 56 55 54 53 52 51 50
64 63 62
µ-COM
INTERFACE
DEF1
1
0V
TA1
2
0V
R51
3.3M
R50
PDO
2KX8
3
680
RAM
C39
IC2
0V
0.047
VVSS
4
LC78622N
0V
ISET
5
C40
VCO
1.9V
0.047 CLOCK
COERECT
OSC
R52
CONTROL
27K
5.0V CONTROL
VVDD
6
R53 0V
FR
7
1.2K
0V
VSS
8
2.5V EFMO
SLICE
9 SYNC-DETECT
LEVEL
EFM DEMODULATE
2.4V EFMIN
10
CONTROL
0V
TEST2
11
0V CLV+
CLV
12
SERVO/SIGNAL
0V DIGITAL
CLV-
13 CONTROL
SERVO
5.0V
V/P
14
0V
HLF
15
SERVO
0V TES
COMMAND
16
18 19 20 22 23
17 21
C56
0.022
+B
+B
R82 R80
390 820
R81
R83
820
390
D92
1SS133
2 3
Q51
1
KRC102 M
R84
SWITCHING
2.2K
REGULATOR
8
Figure 31 SCHEMATIC DIAGRAM (14/15)
49
2.3V
NC EFLG
48
SBSY
SUB-CODE 47
NC 0.1V
0V
XVSS 46
XIN 2.1V
45
X-TAL
XOUT
44
GENERATOR
2.1V
5V
XVDD 43
MUTER 5V
42
NC
4.6V
ERROR
RVDD 41
1.9V
RCHO
FLAG 4FS 40
DIGITAL 0V
RVSS 39
FILTER
0V
LVSS 38
1BIT
LCHO
DAC
37
1.9V
LVDD
36
MUTEL(NC)
35
5V
34
PCCL
DIGITAL
0V
OUT
TEST4 33
0V
EXTERNAL
OUTPUT
28 30 31 32
24 25 26 27 29
+B
PIN27
TRY SPEED
HIGH
LOW
D91
1SS133
M+
M–
CD_D_NO
9 10
– 31 –
CD SERVO PWB-B
CD SIGNAL
+B
X1
16.93MHz
R93
220
C72
CD_RCH
10/50
R72
2.7K
A_GND
C71
R71
10/50
2.7K
CD_LCH
4.9V
VOLTAGE
REGULATOR +B
R55
100
C43
R66
330/6.3
220
R64
22
R65 L61
1K 0.82µH
C51
C50
100/16
0.022
+B
+B
+B
CNP10 CNS10
BIM5
SOL+
1 1 1
SOL–
2 2 2
3 M+ 3 3
4 M– 4 4
–
5 GND(D) 5 5
6 OPEN CLOSE 6 6
7 DISC NO. 7
8 GND(D) 8
9 MECHA UP 9
TRAY MOTOR
GND(D)
10 10
PWB-D
SW2
MECHA
UP CNS5
1
2
11
CD-C811W/821W
CNP11
R-CH
1
A_GND
2
L-CH
3
D-GND
4
+7V
5
+12V
6
C75
0.001
+B
SOLM2
SOLENOID
M3
TURNTABLE
+
M
UP/DOWN/
LOADING
MOTOR
SW1
OPEN CLOSE
SW3
1
DISC
2
NUMBER
12