Sharp CD-MPS900 Service Manual page 49

IC6
SI3033LUS
VOLTAGE
REGULATOR
1
2
17 15 11
13
28
PVCC2
27 SVCC
9 PVCC1
10 REGOUT
1 2 35 36
NM2
M
SLED
-
NSW1 MOTOR
PICKUPIN
NM1
M
SPINDLE
-
MOTOR
IC4
L8316V35
D-RAM
MDATA0
MDATA3
23
MDATA4
39
MDATA7
44
DWEB
DRASB
1 VCC
ADRS0
VCC
3 6
ADRS3
22
VCC
ADRS4
ADRS8
29 D0EM
MDATA8
DCASUB
30
MDATA11
31
DCASLB
MDATA12
MDATA15
19 23 22
20
21
15
24
16
18
33
19
34
25
32
31
5 6 3 4
IC2
LA6261
FOCUS/TRACKING/
SPIN/SLED DRIVER
Figure 4-2 BLOCK DIAGRAM (2/4)
4 – 2
CD-MPS900/CD-MPS99
80 79 9 7 5
2
5
MDATA0
23
7
30
MDATA7
10
MDATA8
33
15
16
IC3
MDATA15
40
18
LC78683E
RASB
41
21
WEB
42 MP3 DECODER
24
ADRSB
50
28
ADRS7
53
35
ADRS0
60
38
40
43
43 44 45 68 61 51 31 21 11 77 73 66
43 17 29 14 12 30
SYS-CE
SYS-CL
SYS-DO
SYS-DI
IC5
IXA006AW
RESET
MICROCOMPUTER
CE 10
CL
11
X1 X2
27 26 28 44 37 24 23 9 1
XL2
4.19 MHz
4 3 2 1
6
8
10
12
14
20
22
32
52
62
69
76
75
Q3
Q4
Q5