Read Sharp CD-C440H (serv.man2) Service Manual online
– 21 –
CD-C440H/CP-C440H
Figure 21 SCHEMATIC DIAGRAM (2/14)
7
8
9
10
11
12
• The numbers
1
to
12
are waveform numbers shown in page 41.
8
9
10
11
12
13
14
15
16
17
18
19
20
21
7
6
5
B
M
+B
+B
+B
+B
+B
+B
4
3
2
1
+B
+B
+B
+B
+B
2
2
1
1
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
43
44
45
46
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
LOADING MOTOR
DRIVER
SERVO/SIGNAL
CONTROL
1BIT
DAC
MUTEL
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
4FS
DIGITAL
FILTER
MUTER
XVDD
XOUT
XIN
XVSS
EFLG
SBSY
PW
µ
-COM
INTERFACE
SQOUT
TEST11
/RES
/CQCK
COIN
RWC
WRQ
FSX
SUB-CODE
X-TAL
GENERATOR
2KX8
RAM
VCO
CLOCK
OSC
CONTROL
ERROR
COERECT
FLAG
CONTROL
HLF
TES
TEST4
TEST3
DIGITAL
OUT
EXTERNAL
OUTPUT
CONTROL
LEVEL
SLICE
EFM DEMODULATE
SYNC-DETECT
CLV
DIGITAL
SERVO
SERVO
COMMAND
CD_SL–
CD_SL+
CD_DRF
CD_RES
CD_RWC
CD_WRQ
CD_CQCK
CD_COOUT
CD_SQIN
TO MAIN SECTION
P24 1–B
TO DECK SECTION P27 12–H
TO MAIN
SECTION
P24 3–H
M_12V
CD_GND
CD_7V
REGULATOR
SWITCHING
DRIVER
TO MAIN/DECK
SECTION
P25 7–H
P27 12–B
TO MAIN
SECTION
P25 8–H
CD_GND
N
D_GND
SOLENOID
DISC NO
MECHA UP
TRAY MOTOR
PWB-G
T/T
UP DOWN
+
–
OPEN
CLOSE
MAIN PWB-A1(1/3)
TO DECK
SECTION
P27 12–E
TO MAIN
SECTION
P25 9–A
TO MAIN
SECTION
P24 1–B
P25 9–A
CD_MUT
CD_R-CH
CD_L-CH
A_GND
CD_LD_M+
3
2
1
+7.3V
3
2
1
SPEED_HIGH/LO
CD_4R3V
D_GND
CD_D_NO
D_GND
D_GND
M+
M–
SOL
16M
4M
TEST5
/CS
TEST1
SFSY
SBCK
NC
DOUT
C2F
EMPH
CONT5
CONT4
CONT3
CONT2
CONT1
VDD
FSEQ
PCK
JP_
JP+
TGL
TOFF
DEF1
PDO
VVSS
ISET
ISET
VVDD
FR
VSS
EFMO
EFMIN
TEST2
CLV+
CLV_
V/P
TA1
GND(D)
MECHA UP
GND(D)
DISC NO.
OPEN CLOSE
GND(D)
M–
M+
M+
GND(M)
SOL
+5V
CD_LD_M–
CD_D_NO
CD_TRAYEND
CD_U/D
R38
33K
C31
0.0027
R37
47K
C90
0.01
CNS5
SW3
SW2
SW1
M3
SOLM2
BIM05
CNS10
R73
2.7K
C67
10/50
R74
2.7K
C68
10/50
R61
220
XL1
16.93MHz
D8
1SS133
D9
1SS133
C92 0.022
CNP10
R86 1K
Q93
KRC102 M
C21
/50
D2
1SS133
R60
1K
33
C50
0.1
R87 1K
R88 1K
IC2
LC78623E
R58
680
C41
0.047
C42
0.047
R57
27K
R56
1.2K
C53
220P
C57 100P
C55 100P
C54 100P
R34
1K
R18
3.3M
D91
1SS133
R96
10K
Q91
KTA1271 Y
ZD81 MTZJ5.6B
R81
220
R84
22
R92
2.2K
A
R82
150
L1
0.82H
C51
0.022
R98
6.8K
C91
47/16
R93 3.9
IC91
TA7291S
C94 47/16
Q94
KRC107 M
R94
6.8K
R97
3.9K
A
C56 100P
C58 100P
C52
100/16
C81
100/16
Q81
KTC3203 Y
C43
330/6.3
R76
390
R75
390
C69
220P
C70
220P
R80
4.7K
R79
4.7K
Q83
KTC3199 GR
Q84
KTC3199 GR
KTC3199 GR
C82
1/50
R77 1K
R46 1K
R46 1K
R45 1K
R47 1K
C22
0.01
R48 1K
R78 1K
D7
RL104A
C46
0.022
R49
10K
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