Block Diagram - Sharp CD-PC1881V Service Manual

TO MAIN SECTION
1 2 3 4 5 6 CNP11
R L
7 1
IC4
BA4558F
4
OPE AMP.
5 3
R L
17 26 50 51
56 49
54 XVDD
+5V LVDD
47
IC2
27 VDD
LC78631E
6 AVDD
SERVO/SIGNAL
CONTROL
52
53
4 9
10 12 16 11 13 15 19 20 23 24 28 29
+B1
32
22
AGND
Q52
IC1
+5V
64 VCC1
LA9241M
SERVO AMP.
LASER
Q1 62 LDO
DRIVER
PICKUP UNIT
CNS10
10
CNP10 10
Q51
P0/DFCK 39
P1/DFIN 38
45
41
72
67
80
78
77
64
40 4344
53
CE
52
DAT
CL 51
42
54
DRF SL+. SL–. DRF
31
SL+
SL– 30
SLD 29 25
20
SP 23
SPO 27 17
FD 16 2
1
TO 15
1 2 3 4
Figure 15 BLOCK DIAGRAM (1/3)
M
TO MAIN
SECTION
9 8 7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
+B1
+B5
+B1
41 20 40 24 18 28 39 38 37 36
IC3
35
M63001FP
29
FOCUS/
22
TRACKING/
21
SPIN/SLED
14
DRIVER
8
6 7 4 5 16 26 27
23 15
M1
SPINDLE
MOTOR
M
M2
SLED
MOTOR
M
PICKUP IN
SW4
– 15 –
JKV1
VIDEO OUT
1
6
36
DQ12
ICV4
39
DQ15
VIDEO
OPERATION
AMP.
NJM2267M
1 ~
2 5 7
~
38 42 45 48 49 52
86
VOUT1
68 MD12
65
MD15
14 X2
XV2
27MHz
MPEG DECOEDER
13 X1
35
AUDO
32 AUBCK
33
AULRCK
CDC2PO
95
CDLRCK
97
99 CDI
~
1 15
17 23
13 12
QV1
QV2 QV3 15 PWR_MPEG
40
X2
XV1
MPEG CONTROLLER
4.19MHz
41 X1
18 MDI
19
MDO
20
MCK
22
MBUSY
CD SOL
6
CNPV2 1 2 3 4
TO MAIN SECTION
CD-PC1881V
+B1
QV4
6 20
VDD
21
27
ICV3
35
DRAM
40
SDM4260C
UCAS 28
LCAS
29
~ ~ ~ ~
10 13 14 16 19 22 26 31 34
~ ~ ~ ~
54 56 58 62 70 73 53
6 57
11 64
12 69
18 74
26
76
30 91
ICV2
37 94
43 96
D61012GC
50 100
HD7 2
5
HD4
7
HD3
VDD,CKSEL,HSELX,
HD0 10
HSELAAVDD,
~
25 63 75 83 84 92
36 44 51
~
11 64 57
ICV1
IX0313AW
~ ~ ~
7 9 25 45
14 16 17 33 39 42 50