Block Diagram - Sharp CD-BK2100V Service Manual

Video cd mini system
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CD-BK2100V
2127 3545
DQ15
DQ12
DQ11
DQ8
ICV3
SDM4260C
DRAM
RAS
WE
20
DQ7
6
1
DQ4
DQ3
DQ0
ICV4
JK671
NJM2267M
VIDO OUT
CNPV3
VIDEO
6
OPERATION
AMP.
2
7
+B3
M3
T/T
UP/DOWN
BI4
CNS4
CNP4
MOTOR
-
6
6
6
SW3
M
DISC
5
5
5
NUMBER
4
4
4
SW2
CLAMP
3
3
3
2
2
2
1
1
1
SW1
OPEN/
CLOSE
CNP12
GND
10
CLAMP SW
9
CD RES
8
CLK
7
6
DI
DO
5
CE
4
DRF
3
WRQ
2
1
CDINT
CNP11
5
+5V(+B5)
4
DGND
L-CH
3
AGND
2
1
R-CH
All manuals and user guides at all-guides.com
XV2
27MHz
14
13
10
7
5
2
73
MD8
39
MD11
70
ICV2
36
68
MD12
34
D61012GC
65
MD15
31
62
MD0
MPEG DECODER
26
A8
MD4
58
A4
22
56
MD5
A3
19
MD7
54
16
53
MCAS
A0
14
52
MWE
13
49
MRAS
10
48
MA0
7
45
MA3
5
42
MA4
2
MA8
38
86
35 32 33 9597 98 99
1
56
55
54
35
57
59
33
40
30
CONT2
CONT3
31
Q2
CONT4
32
RCHO
48
IC2
RFEV
RVSS
47
LC78636E
46
LVSS
SERVO/SIGNAL
CONTROL
45
LCHO
53
76
CONT7
75
CONT6
65 66 67 68 69 70 71 72
Figure 16 BLOCK DIAGRAM (1/4)
+B3
18
10 24 35
57
HD0
92
64
HD7
84
83
76
ICV1
75
63
MPEG CONTROLLER
51
IX0352AW
44
36
25
23
17
15
1
15
QV2
QV3
+B5
35
39
38
42
FOCUS/TRACKING/
41
SPIN/SLED DRIVER
25
17
2
1
26
25
24
23
19
TE
16
22
FE
15
21
RFEV
14
20
7
HFL
19
3
18
XVDD
50
17
RVDD
49
44
LVDD
+3.3V
36
VDD
ADAVDD
18
VVDD
5
+5V
73
52
51
Q1
CONSTANT
XL1
VOLTAGE
16.9344MHz
– 16 –
XV1
4.19MHz
40
41
50
45
42
33
25
17
16
14
9
7
20
18
19
22
29 22 21 14
8
27
26
16
IC3
M63001FP
15
7
6
5
4
40
24 23 28
18
M
M1
SPINDLE
MOTOR
+5V
+3.3V
TRACKING COIL
LASER
FOCUS COIL
Q3
DRIVER
FE-
FE
LDD
8
TE-
7
PD
IC1
TE
LA9235M
HFL
4
TIN2
SERVO AMP.
3
TIN1
FIN2
2
FIN1
1
30
23 11
9
+5V
+3.3V
SW4
PICKUP IN
M
M2
SLED
MOTOR

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