Read Sharp CD-PC651H (serv.man5) Service Manual online
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CD-PC671H/651H
Figure 19 BLOCK DIAGRAM (1/3)
27
1 2 3 4
1
8
6 7
18
24
40
20
4 5
15
23
16 26 27
7
2
25
20
20
29
21
22
35
14
38
39
28
41
42
37 36
PU-IN SW
XL1
XIN
LD0
FIN2
JP–
CV+
SLC
SL1
FIN1
E
F
TO
FD
SPO
NC
SLD
SL–
SL+
DRF
CL
DAT
CE
VCC1
6
+5V
PICKUP IN
SW4
FOCUS COIL
TRACKING COIL
M1
SPINDLE
MOTOR
M
M
M2
SLED
MOTOR
PICKUP UNIT
9
IC2
LC78622NE
SERVO/SIGNAL
CONTROL
+B1
IC3
M63001FP
FOCUS/
TRACKING/
SPIN/SLED
DRIVER
IC1
LA9241M
SERVO AMP.
RES. CQCK. COIN
SQOUT. RWC. WRQ
~
~
~
CL, DAT, SELIAL CONTROL/CE
Q51
SL+. SL–. DRF
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
+B1
62
64
45
36
23
43
37
31
38 39 40
24
25
10
1 2
2 1
3
3 2 1
4 5 6
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
Q52
+4.3V
Q81
+7.3V (B1)
REGULATOR
TO MAIN SECTION
(TO IC601)
XOUT
EFMO
EFMIN
CLV+
JP–
CONT2
CONT1
LCHO
LVSS
RVSS
RCHO
VVDD
VDD
LVDD
RVDD
XVDD
SW1
OPEN/CLOSE
SW2
MECHA UP
SW3
DISC No.
M3
LOADING
SOLM1
TO MAIN
SECTION
SECTION
CNS10
+B5
~~
CNP11
BI1B
2 1
BI1A
CNP99
+5V
2 4 8
33
38
39
46
~
64
62
51
11
22
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