Block Diagram - Sharp CD-K1861V Service Manual

TO MAIN SECTION
(TO IC601)
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
Q52
IC1
+5V
64 VCC1
LA9241M
SERVO AMP.
Q1 62 LD0
LASER
DRIVER
10
Q51
10
39
38
45
41
72
67
80
78
77
64
40 43 44
CE 53
52
DAT
CL 51
42
54
DRF
SL+. SL–. DRF
SL+ 31
SL–
30
SLD 29 25
17
SP 23
7
SPO 27
FD 16 2
1
15
TO
1 2 3 4
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
JK2
MIC 2
JK1
MIC 1
Figure 13 BLOCK DIAGRAM (1/3)
TO MAIN
SECTION
M
9 8 7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
+B1
+B1
+B5
PICKUP IN
41 28 39 38 37 36
20 40 24 18
SW4
IC3
35
M63001FP
29
FOCUS/
22
TRACKING/
21
SPIN/SLED
14
DRIVER
8
6 7 4 5 16 26 27
15 23
M
M
L
27 26 R
1
6
ICK1
2
7
MIC AMP.
18
M65845FP
5
10
VRK3 20K(B) VRK2 20K(B)
DIGITAL
MIC2
ECHO
LEVEL
– 13 –
+B1
QV4
JKV1
VIDEO OUT
1
VDD
6
36
DQ12
ICV4
39
VIDEO DQ15
OPERATION
AMP.
NJM2267M
1
~ ~
2 5 7
~ ~
38 42 45
86
VOUT1
MD12
68
65 MD15
14
X2
XV2
27MHz
MPEG DECODER
13 X1
35
AUDO
32 AUBCK
33 AULRCK
95 CDC2PO
CDLRCK
97
99 CDI
1 ~
15 17 23
2
13 12
QV1
3
1
QV2 QV3 15 PWR_MPEG
40
X2
XV1
MPEG CONTROLLER
4.19MHz
41 X1
18 MDI
19
MDO
20
MCK
22
MBUSY
CNPV2 1 2 3 4
6 CD SOL
1
TO MAIN SECTION
(TO IC701)
33
ICK41
MIC AMP.
M65840FP
3 5
29
28
2
11
25
ICK44
L
1
7 KIA4558P
R
VRK1 20K(B)
OPE AMP.
MIC1
LEVEL
CD-K1861V
6 20
21
27
ICV3
35
DRAM
40
SDM4260C
~ ~ ~
10 13 14 16 19 22 26 31 34
~ ~ ~
48 49 52 54 56 58 62 70 73
6
57
11 64
12 69
18 74
26 76
30 94
ICV2
37
96
43
100
D61012GC
50
HD7 2
5
HD4
7
HD3
VDD,CKSEL,HSELX,
HD0
10
HSELAAVDD,
~
25 36 44 51 63 75 83 84 92
~
11 64 57
7
9
14
16
17
25
ICV1
33
39
IX0313AW
42
45
50
2 4 5
~
QK41
QK42
5
ICK42
7 ~ 9
BU4066BC
SWITCHING
1
15
3 8
10
21
22
17
7
ICK43
KIA4558P
6
OPE AMP.
2 4
~