Kapitel 4. Schaltbilder - Sharp CD-SW200H Serviceanleitung

KAPITEL 4. SCHALTBILDER

[1] Blockschaltbild
TO MAIN SECTION
1 2 3
43 CE
CL
44
45 DI
DO
46
RESB
47
48 INTB0
49 INTB1
72 XOUT
XIN
73
21 36 41
+3.3V
CONSTANT
VOLTAGE
TO DISPLAY SECTION
1 2 3 4 5
4 5 6 7
75 78 51
IC1
LC78690E
CD SERVO
68 74 76 5 6 7 8 13
LASER
DRIVER
Q1
+3.3V
Abb. 4-1 BLOCKSCHALTBILD (1/3)
6 7 8 9 10 11 12 13 14 1 2
52
77
71
67
57
56
55
54
53
42
40
37
26
20
PUIN 32
24
SLDO
SPDO
25
FDO
22
23
TDO
14 19 18
28
9
+5V
27
4 – 1
M M
- -
3 4 5 6 7 8 9 10 11
11 13 15 17 22
23 31 32 33 34
FWD5
19
REV5 20
PVCC2
IC2
LA6261
30
FOCUS/TRACKING/
7
SPIN/SLIDE
DRIVER
26
1 2 35 36 3 4
5 6
NM1 M
SPINDLE
MOTOR
NSW 1
PICKUP
IN
NM2
M
SLED
MOTOR
CD-SW200H