Read Sharp CD-C451H (serv.man9) Service Manual online
– 23 –
CD-C451H
Figure 23 SCHEMATIC DIAGRAM (2/14)
7
8
9
10
11
12
2
CNP11
D1
1SS133
1SS133
C44
100P
C45
100P
C47
100P
C22
220P
220P
C23
0.0027
0.0027
8
R53
1.2K
1.2K
C74
220P
C73
220P
R73
390
390
R74
390
390
C43
330/6.3
C48
100P
C49
100P
C81
47/16
C57
0.001
0.001
D4
RL104A
RL104A
R62 1K
R63 1K
R63 1K
C38
0.01
0.01
R61 1K
R57 1K
3
R60
1K
1K
R52
27K
27K
C40
0.047
0.047
C39
0.047
0.047
R50
680
R90 1K
R91 1K
R89 1K
R83
3.9
3.9
C83
0.022
D82
1SS133
D81
1SS133
C72
10/50
10/50
C71
10/50
10/50
R93
220
220
C42
15P
15P
C41
12P
12P
C35
/50
R88 1K
C28
0.1
0.1
CNP10
R51
3.3M
3.3M
R42
47K
47K
R44
33K
33K
R39
1K
1K
IC2
LC78622K
SERVO/SIGNAL
CONTROL
C46
100P
C53
0.022
R47
10K
C37
0.022
Q91
KTA1271 Y
KTA1271 Y
Q93
KRC102 M
KRC102 M
R87
10K
10K
R86
2.2K
2.2K
D91
1SS133
1SS133
R82
6.8K
6.8K
C82
47/16
47/16
L61
0.82
0.82
µ
H
C51
100/16
100/16
ZD61
MTZJ5.6B
R66
220
220
R64
22
22
C52
100/16
Q52
KTC3203 Y
KTC3203 Y
C56
0.022
0.022
R72
2.7K
2.7K
R71
2.7K
2.7K
C50
0.022
0.022
R55
150
150
R81
2.7K
2.7K
R85
56 (1/2)
56 (1/2)
C75
0.001
0.001
4
3
2
9
8
7
6
5
1
14
13
12
11
10
1
2
2
1
1
2
3
4
5
6
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
3
2
1
2
1
CNP99
6
1
2
3
4
5
46
47
49
56
60
61
1
13
24
38
37
36
35
34
33
32
31
30
29
28
27
26
25
23
22
21
20
19
18
17
16
15
14
12
11
10
9
8
7
6
5
4
3
2
64 63 62
59 58 57
55 54 53 52 51 50
39
40
41
42
43
44
45
48
1 2 3 4 5 6 7 8 9
R59 1K
R58 1K
Q51
KRC107 M
KRC107 M
R80
6.8K
6.8K
R54
330
330
12V
6.5V
0V
0V
0V
6.4V
1V
6.5V
6.5V
2.9V
BIM5
FSEQ
EMPH
CONT5
C2F
TEST3
LVSS
MUTEL
MUTER
SBSY
EFLG
UP/DOWN
DISC NO.
OPEN/CLOSE
PUIN SW
SLD–
SLD+
D_GND
DRF (ASP)
RES(DSP)
CQ CK(DSP)
SQ OUT(DSP)
CO IN(DSP)
WRQ(DSP)
RWC(DSP)
UP/DOWN
GND(D)
DISC NO.
OPEN/CLOSE
GND(D)
M+
GND(M)
SOL
GND(D)
CNS10
SW3
DISC NUMBER
DISC NUMBER
CNS5
SW2
MECHA UP
MECHA UP
SW1
OPEN
CLOSE
OPEN
CLOSE
SENSOR
PWB-F
PWB-F
CD SERVO PWB-C
M3 T/T
UP/DOWN
LOADING
UP/DOWN
LOADING
LOCK
SOLM2
SOLENOID
SOLENOID
0V
12V
CD_LD_M–
CD_LD_M+
R-CH
TO MAIN PWB(2/3)
P32 6-A
CNS11
A_GND
L-CH
D-GND
7.3V
M_12V
6.5V
5.5V
CD_LCH
4.9V
+5V
A_GND
CD_RCH
XL1
16.934MHz
X-TAL
GENERATOR
4M
16M
/RES
/CQCK
COIN
SQOUT
RWC
WRQ
FSX
PW
SFSY
SBCK
TEST11
U-COM
INTERFACE
SUB-CODE
XVSS
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LCHO
LVDD
NC
TEST4
TEST1
1BIT
DAC
4FS
DIGITAL
FILTER
DOUT
DIGITAL
OUT
ERROR COERECT
FLAG CONTROL
VCO CLOCK
OSC CONTROL
SLICE LEVEL
CONTROL
SYNC-DETECT
EFM DEMODULATE
EXTERNAL
OUTPUT
CLV
DIGITAL SERVO
CONT4
CONT3
CONT2
CONT1
VDD
PCK
JP–
JP+
TGL
TOFF
DEF1
PDO
VVSS
ISET
VVDD
FR
VSS
EFMO
EFMIN
TEST2
CLV+
CLV–
V/P
HLF
TES
SERVO
COMMAND
2KX8
RAM
M
TA1
/CS
TEST5
0V
0V
12V
3
2
1
IC81
TA7291S
LOADING MOTOR DRIVER
TO DISPLAY PWB(2/3)
P32 2-A
CNS12
+B
+B
+B
+B
+B
+B
+B
+B
+B
3
1
2
2.9V
2.9V
0V
0V
–
+
M–
0V
0V
0V
1.9V
4.8V
0V
0V
2.5V
2.5V
0V
0V
0V
4.8V
0V
0V
0V
0V
0V
0V
4.8V
0V
2.5V
0V
0V
0V
0V
4.8V
2.5V
0V
0V
4.8V
4.8V
2.4V
2.5V
4V
4V
4V
0V
0V
0V
2.4V
0V
2.4V
0V
0V
0V
0V
0V
0V
4.8V
4.8V
0V
2.2V
0V
2.1V
2.2V
4.8V
4.5V
2V
0V
2V
4.5V
0V
0V
CD SIGNAL
CD SIGNAL
11
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