Read Sharp CD-C420H Service Manual online
– 13 –
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
Figure 13 BLOCK DIAGRAM (1/3)
1
2
3
4
5
9
8
8
6
7
20
12
13
24
25
30
31
32
22
22
34
35
36
10
11
27
26
28
29
PU-IN SW
XL1
XIN
LD0
FIN2
JP–
CV+
SLC
SL1
FIN1
E
F
TO
FD
SPO
SP
SLD
SL–
SL+
DRF
CL
DAT
CE
VCC1
6
+5V
PICKUP IN
SW4
FOCUS COIL
TRACKING COIL
M1
SPIN
MOTOR
M
M
M2
SLIDE
MOTOR
PICKUP UNIT
9
IC2
LC78623U
SERVO/SIGNAL
CONTROL
+B1
IC5
M56748FP
DRIVER
IC1
LA9240M
SERVO AMP.
6
1
9
5
+B1
+12V(+B5)
( TO IC401 )
RES. CQCK. COIN
SQOUT. RWC. WRQ
~
~
~
CL, DAT, SELIAL CONTROL/CE
Q93
Q91
SL+. SL–. DRF
7
3
9
8
7
6
5
4
3
2
1
GND (D)
MECHA UP
GND (D)
DISK NO.
OPEN/CLOSE
GND (D)
M–
M+
GND (M)
9
8
7
6
5
4
3
2
1
CNP10
M
+5V
62
64
45
36
23
43
37
38
39
40
24
25
10
10
26
58
53
10
12
20
32
40
43
44
53
52
51
54
31
30
29
23
27
16
16
15
41
44
Q1
+5V
Q81
+5.6V (B1)
REGULATOR
TO MAIN SECTION
IC91
TA7291S
LOADING MOTOR
DRIVER
XOUT
EFMO
EFMIN
CLV+
JP–
CONT2
CONT1
RCHO
RVSS
LVSS
LCHO
VVDD
VDD
LVDD
RVDD
XVDD
SW1
OPEN/CLOSE
SW2
MECHA UP
SW3
DISC No.
M3
LOADING
SOLM1
TO DISPLAY
SECTION
CNS10
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