Sharp CD-BP2000W - Block Diagrams

CD-BP2000W/210W/2000A/BK2000W/210W
– 18 –
Figure 18 BLOCK DIAGRAM (1/4)
CNP12
CNP11
Q2
+3.3V
+5V
CONT5
CONT2 CONT3 CONT4 CONT7 CONT6
SLDO
SPDO
FDO
TDO
+5V
TO DISPLAY SECTION
CLAMP SW CDINT
WRQ
CE DO
CLK
DI CD RES GND DRF
CNS4
BI4
CNP4
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
M
M
TRACKING COIL
FOCUS COIL
PICKUP UNIT
TE FE RFENV HFL VVDD ADAVDD VDD LVDD RVDD XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V
Q1
LDD PD
TIN2 TIN1 FIN2 FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
R-CH
L-CH AGND DGND +5V(+B5)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.93MHz
6
5
43
3
2
5
4
1
12
34
7
8
217
89
10
12
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
T/T
UP/DOWN
MOTOR
6
12
4
3
56
12
4
3
56
75
76
45 46
47 48 32 31
30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DEF
52
51
XOUT
XIN
73
5
18
36
44 49 50 7 14 15 16
23
24
25
26
33
3
13
19
40
64
74
17
18 19 20
21
22
30
23
11
9
1
4567
15
16 26 27
2 1725 4142 3839
35
29
22
21
14
8
40
24
23
28
SW4
PICKUP IN
Q3
LASER
DRIVER
CONSTANT
VOLTAGE
+3.3V
+5V
VCC4
18
VCC1
VCC2
VCC3