Block Diagram - Sharp CD-XP500 Service Manual

TO MAIN SECTION
1 2 3 4
CNP7
61
CE
62 CLK
63
DI
64 DO
65
WRQ
66
RES
67
DRF
XOUT
48
XIN
49
5 38
18
+3.3V
Q2
+3.3V
CONSTANT
VOLTAGE
+5V(+B7)
TO DISPLAY SECTION
1 2 3 4
5 6 7 8
Q3
42 68 25
IC1
LC78645NE
CD SERVO
47 77 41 46
7 8 9 10
ZD1
3.3V
Figure 19 BLOCK DIAGRAM (1/3)
5 6 7 8 9 10 CNP8
70 71
75
69
57
56
55
51
50
44
43
40
37
28
19
CONT5 26
SLDO 23
SPDO
22
FDO 21
TDO 20
79 80
LASER
DRIVER
Q1 +3.3V
– 19 –
CD-XP500/CD-XP5500
SW3
SW2
DISC
SW1 CLAMP
NUMBER
OPEN/
M3
CLOSE
T/T UP DOWN
M
LOADING
MOTOR
+ –
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 17 25
40
VCC4
IC2
M63001FP
18
VCC1 FOCUS/TRACKING/
+5V
24 VCC2
SPIN/SLED
23
DRIVER
28
VCC3
4 5 6 7
+
M1
M
SPINDLE
MOTOR
–
–
M2
M
SLED
+
MOTOR
41 38 39
42
35
29
22
21
14
8
15 16 26 27
SW4
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