Service manual

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CD-C831W
Figure 13 BLOCK DIAGRAM (1/3)
27
1
2
3
4
1
8
6
7
18244020
45
15
23
16 26
27
7
2
25
20
29
35
14
21
22
3839284142 37 36
PU-IN SW
XL1
XIN
LD0
FIN2
JP–
CV+
SLC
SL1
FIN1 E F
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
2
4 8
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
38 39 40
33 38 39 46
24 25
10
1
2
3
4
5
6
10
26
58
53
~
64
62
51
10 12
11
22
20
32 40 43 44
53
52
51
54
31
30
29
23
27
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
CNS10
+B5
~~
CNP11