Sharp CD-C401H Panduan Servis - Halaman 5

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Halaman Cetak
K
K
K
+B
R18
3.3M
C41
0.047
(ML)
C42
0.047(ML)
C53
220P
C59
0.022
(ML)
4
5 6 7 8 9
10
11
P12 5 - H
TO DISPLAY PWB
7
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R60
C22
1K
0.01
µ-COM
INTERFACE
DEF1
1
TA1
2
PDO
2KX8
3
RAM
R58
680
VVSS
4
ISET
5
VCO
ERROR
CLOCK
COERECT
OSC
R57
FLAG
CONTROL
27K
CONTROL
VVDD
6
FR
7
R56
VSS
8
1.2K
EFMO
9
SLICE
SYNC-DETECT
LEVEL
EFM DEMODULATE
EFMIN
10
CONTROL
TEST2
11
CLV+
CLV
12
DIGITAL
CLV_
13
SERVO
V/P
14
HLF
EXTERNAL
15
SERVO
OUTPUT
TES
COMMAND
16
R99
3.9
C52
100/10
CD-LD M+
LOADING
MOTOR DRIVER
IC91
TA7291S
R97
12K R98
C91
47/16
5.6K
R91
10K
35
8
9
Figure 5 SCHEMATIC DIAGRAM (2/9)
+B
EFLG
XL1
48
16.93MHz
SBSY
SUB-CODE
47
XVSS
46
XIN
45
X-TAL
XOUT
GENERATOR
44
C71
XVDD
43
330P
MUTER
42
C68
RVDD
41
10/16
RCHO
40
RVSS
39
C67
LVSS
38
10/16
LCHO
37
LVDD
36
MUTEL
35
C43
NC
34
100/10
TEST4
33
IC2
DIGITAL
LC78623D
OUT
SERVO/SIGNAL
CONTROL
+12V
R82
L2
100
27µH
L1
0.82µH
+B
C51
0.022
D_GND
Q91
KTA1271 Y
11.3V
0V
2
3
0V
Q93
KRC102 M
1
0V
R94
56
CNP4
SOL
1
GND(M)
2
M+
3
L3
M–
4
47µH
GND(D)
5
OPEN CLOSE
6
DISC NO.
7
GND(D)
8
MECHA UP
9
GND(D)
10
R92
10K
17
10
– 5 –
CD-C401E,CP-C401E
MAIN PWB-A1(1/4)
+B
CD_R
12
R74
R76
C70
4.7K
1K
220P
CD A
13
GND
C69
R75
220P
1K
CD_L
14
R73
4.7K
+12V
15
DRIVER
C72
0.001
+B
+B
D81
1SS119
+4.3V
+5V
16
(uCOM)
D_GND
17
C74
0.001
+B
+5V
18
(SERVO)
AUDIO GND
CD SIGNAL
MOTOR
PWB-C
CNS4
SOLM2
1
SOLENOID
1
2
2
M3
+
3
3
T/T
M
4
UP/DOWN
4
–
MOTOR
5
5
SW1
6
6
OPEN/CLOSE
7
8
9
SW2
MECHA UP
10
1
SW3
2
DISC NUMMER
CNS5
11
12