Sharp CD-C1W Service Manual page 35

+B
C28
C29
0.1
4.7/25
+B
C39
0.047
R51 3.3M
R44
33K
C40
0.047
C26
0.033
R52
1
27K
R41
R42
47K
47K
R40 C25 R39
5.6K 27P
1K
R53
1.2K
R43
56K
R38
C23
470
0.0027
HF
C22 C57
220P 0.001
+B
0
D1
1SS133
R47
100K
C37
0.022
D2 D3 D4
1N4004S 1N4004S 1N4004S
+B
+B
9 8 7 6 5 4 3 2 1
25 24 23 22 21 20 19 18 177 16 15 14 13 12 11 10
TO MAIN PWB P22 1-C
CFW2
The numbers 1 to 12 are waveform numbers shown in page 42.
7
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R57 1K
R58 1K
R59 1K
R60 1K
R61 1K
R62 1K
R63 1K
C38
0.01
63 62 61 60 59 58 57 56 55 54 53 52 51 50 50
TEST1
0V
DEFI
1
TA1
2
SUB-CODE
0V
µ-COM
R50
INTERFACE
680
3
IC2
PDO
0V
LC78622K X-TAL
4 VVSS
GENERATOR
0V
2K x8BIT
5
RAM
ISET
1.8V
4.0V
VCO CLOCK ERROR CORRECT
6 VVDD
OSC CONTROL FLAG CONTROL
0V
7
FR
4FS
0V
DIGITAL
8
VSS
FILTER
2.0V
9
EFMO SLICE LEVEL
SYNC-DETECT
2.0V
CONTROL
EFM DEMODULATE
10
EFMIN
0V
11
TEST2
CLV+
0V
12
CLV
CLV–
0V
DIGITAL SERVO
13
4.0V
14
V/P
0V
15
SERVO EXTERNAL
HFL DIGITAL
0V
COMMAND OUTPUT
16
TES
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
3
0V
0V 1
+B
+B
+B
CFW1
27
FW1
27
8 9
Figure 35 SCHEMATIC DIAGRAM (11/15)
+B
IC2
SERVO/SIGNAL
CONTROL
+B
49
EFLG 1.8V
48
47 0V
SBSY
0V
XVSS 46
XIN 1.8V
45
1.8V
44
XOUT 4.0V
D82
XVDD 43
1SS133
C53 D81
4.0V
0.022
1SS133
42
MUTER
3.9V C72
41
RVDD
10/16 (OS)
1.7V
40
RCHO
C74
0V R74
R72
39
RVSS
2.7K 39 220P
1BIT
0V
DAC LVSS 38
C43
R73 C73
100/10
39 220P
LCHO 1.7V
37
3.9V
R71 C71
LVDD
36
2.7K 10/16
MUTEL
35 4.0V
(OS)
0V
PCCL 34
0V
33
TEST4
OUT
32
+B
Q52
KTC3203 Y
VOLTAGE
REGULATOR
Q51
4.0V 7.2V
KRC107 M
+B
2
SWITCHING
7.2V DRIVER
4.7V
L61
2.2µH
+B
R64
C55
22
C51
3.3/16
100/10
(OS)
R80
3.9K
+B
R83
1
R81
3 7 4 6 2
2.7K
IC81
TA7291S
MAINCAM
MOTOR DRIVER
1 9 5 8
R82
1M
+B
R84
1
R85 GND(D) GND(D)
3 7 4 6 2
2.7K
IC82
TRAY SW1
TA7291S
TRAY SW2 TRAY SW2
TRAY
TRAY SW3 TRAY SW3
MOTOR DRIVER
1 9 5 8
TRAY SW4 TRAY SW4
+B
10
– 35 –
CD-C1W,CP-C1W
CD SIGNAL
+B
3-TRAY MOTOR
CNP11 BIM1
–
1 1
MOB1
M
+
MAIN CAM MOTOR
2 2
–
MOB2
3 3
M
+ TRAY MOTOR
4 4
TRAY SWITCH PWB-F
BIM2
CNP12
SWB105
1 1
1
CD EJECT
2 2
2
SWB106
CD TRAY
3 3 3
CLOSE
4 4
4
SWB107
5 5
5 CD IN
SWB108
CNS2
CD SET
CNP13
BIM3
CAM SWITCH
1 GND(D) 1 1
SWB101
CAM SW1
2 2 2 CAM1
SWB102
3 CAM SW2
3 3
CAM2
4 GND(D) 4 4
CAM SW3
5 5 5
SWB103
CAM3
6 CAM SW4 6
6
SWB104
CAM4
11 12