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CD-MPX880H
4 – 3
[2] CD Block Diagrams
Figure 4-3: CD BLOCK DIAGRAM
18
19
68
52
51
74
78
75
76
8
7
6
5
21
37
26
20
40
32
24
25
22
23
54
55
56
77
71
67
57
73
72
49
48
47
46
45
44
43
PUIN
DRIVER
SPIN/SLIDE
FOCUS/TRACKING/
LA6261
IC2
VIN4
FWD6
VO6+
VO6-
VO5+
VO5-
REV6
VIN3
VIN2
PVCC1
SVCC
PVCC2
VCONT6
VCONT5
VIN1
REV5
REG IN
REG OUT
FWD5
IC1
LC78690E
CD SERVO
LCHO
RCHO
CONT1
CONT0
SLDO
SPDO
FDO
TDO
LDD
LDS
DIN
BIN
14
13
FIN
EIN
CIN
AIN
LR
VDD
XVDD
DVDD
DVDD
DVDD
36 41
AV
D
D
XIN
XOUT
INTB1
INTB0
66
38
DVDD 1.8
DVDD 1.8
RESB
DO
DI
CL
CE
TO DISPLAY SECTION
TO MAIN SECTION
CNP3
CNP7
M1
TRA
Y
MOT
O
R
MGND
PICKUP
UNIT
IN
PICKUP
NSW 1
+3.3V
MOTOR
SPINDLE
NM1
MOTOR
SLED
NM2
COIL
TRACKING
FOCUS COIL
16.9344 MHz
XL1
+7.5V
DRIVER
LASER
+3.3V
CONSTANT
VOLTAGE
+3.3V
+3.3V
Q1
R-CH
AGND
L-CH
D_+5V(+B5)
+5V
GND
PHOT
O
MO_A-
CD_RES
MO_A+
CD_DI
CD_DO
CD_CLK
CD_CE
+
-
-
+7.5V
7
27
28
24
21
9
17
15
13
11
23
22
32 33
31
34
30
19
20
26
8
10
4
5
6
Q2
Q3
3
36
35
2
1
7
1 2 3 4 5 6
10
MP3_INT
11
CD_INT
12
TRA
Y
SW1/SW2
GND
RX1
SW3 TRA
Y
SW2
SW2 TRA
Y
SW1
SW1 CLAMP
SW4 DISC
PHOT
O
5V
13
DISC/CLAMP
14
3
1 9
8
7
6
5
2 4
CNP4
10 11
3
1 9
8
7
6
5
2 4
53
M
M2
MAIN CAM
MOT
OR
+
M
M
M
42
DGND
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