Block Diagram - Sharp CD-BK260V Service Manual

M3
-
T/T UP DOWN
6 6 6
LOADING
M
5 5 5
+
SW3
4 4 4
DISC No.
3 3 3
SW2
CLAMP
2 2 2
SW1
1 1 1
POEN/CLOSE
CNP4
+
M1
6 6 6
SPINDLE M
5 5 5
-
+
M2 4 4 4
M
SLED
3 3 3
-
2 2 2
SW4
PICKUP IN
1 1 1
CNP3
+10 V 1
2
+5 V
3
CD-GND
4
L-CH
5
A_GND
6
R-CH
CNP11
CNP12
GND 9
CLAMP SW 8
7
CD RES
6
CLK
5
DI
4
DO
3
CE
2
DRF
1
WRG
89 79 74 71 37 33 23 90 78 73 66 60 59
80
86
92
98
8
81
85
93
99
17
24
OE_
21
CE_ 22
15
23 13
25
12
30
2
32 1
A
B
56 55 54 35 57 ~
Q2
40
30
CONT2
31
CONT3
32
CONT4
Q9
41
RCHO
LC78636E
Q10
47
RVSS
SERVO/SIGNAL
46
LVSS
CONTROL
53
LCHO
76
CONT7
75 CONT6
65 66 67 68 69 70 71 72 52
Figure 19 BLOCK DIAGRAM (1/3)
CD-BK260V/CD-BK2700V/CD-BK280V
XL1
27MHz
ICM3
ES3889F
VCD COMPANION
6 1 25 26 31 41 43 51 56 57 62
47 ~
100 80 50 30 45 44 43 41
55
62
64 ICM2
LOE#
ES3880F
VCD PROCESSOR
65
LROMCE#
66
LSC1#
68
79
82 ~ 87 88 ~ 91 93 94
ICM3
17,19,21,22 PIN
59 33 26 25 24 23
19
3
16
TE
15
FE
14
RFEV
IC2
7
HFL
50
XVDD
49
RVDD
44
LVDD
36
VDD
18
ADAVDD
5
VVDD
73
VDD
+5 V
51
XL2
CONSTANT
16.934MHz
VOLTAGE
– 19 –
64
QM1
53
32
16
5
100
91
77
75
72
63
~
32
12
19
16
4
10
28
6
13 5
81 2
51
20
31
1
1
95
35 ~ ~
29 22 21 14 8
39
CAM. M+ 27
SP-
38 26
CAM. M- SP+
16
SL+
42
CAM. M+
15
SL-
41
CAM. M-
7
TR-
25
SPDO
6
TR+
17
SLDO
5
FO-
2
FD
4
FO+
1
TO
18 40 24 23 28
-5 V
+3.3 V
LASER
Q3
DRIVER
22
RFEV
21 8
FE- LDD
20
FE
7
PD
19
TE-
18
TE
17 4
TIN2
HFL
3
TIN1
2
FIN2
1
FIN1
30 23 11 9
+5 V
Q4
+3.3 V
JK702
VIDEO OUT
22
26
31
34
36
39
21
35
40
B
A
TRACKING COIL
FOCUS COIL
PICKUP UNIT