Sharp CD-DP2500W

– 17 –
CD-DP2500W/DK2500W
Figure 21 BLOCK DIAGRAM (1/3)
CNP12
CNP11 CNP5 CNS99
Q2
+3.3V
+5V
CONT5
CONT2 CONT3 CONT4 CONT7 CONT6
SLD0
SPD0
FD0
TD0
+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 RFEV 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/SLIDE DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
CD DIGITAL OUT
IC99
R-CH
L-CH AGND DGND +B6(+5V)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
43
3
2
5
4
1
3
21
3
21
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
DOUT
37
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