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CD-SW250DVD
DVD MECHANISM
UNIT ASSY
CD_DVDB
GND_PD
VR_CD
VR_DVD
CD_LD
DVD_LD
GND_LD
SPINDLE
MOTOR
M
M
PICKUP
SLED
IN_SW
MOTOR
DGND
TRAY SW1/SW2
DISC/CLAMP
PHOTO
MO_SPEED
MOT_A+
MOT_A-
MOT_B+
MOT_B-
M2
M1
RX1
SW4
SW1
SW2
SW3
F-
24
F+
23
T+
22
T-
21
C_c
20
D_d
19
18
RF
17
A_a
16
B_b
15
F
14
13
Vref
12
RF5V
VCC
11
DGND
E
10
NC
9
8
Q3102
7
Q3101
6
Q3104
LASER DRIVER
MD
5
RF5V
HFM
4
NC
3
LASER DRIVER
2
Q3105
1
CN3001
DGND
+8V
SP+
2
SP-
1
CN3002
IC3001
LA6261
FOCUS/TRACKING
SPIN/SLED DRIVER
LED
7
FG
6
AGND
5
SL+
4
SL-
3
DGND
MGND
PUIN
2
1
DGND
CN3003
+5V
10
9
GND
8
7
6
5
4
3
2
1
CN3004
11
1
CAM-
2
10
CAM+
TR-
3
9
4
8
TR+
5
+7V
7
PHOTO
6
6
5
DISC
7
4
CLAMP
8
TRAY SW1
9
3
10
2
TRAY SW2
11
1
GND
CN3005
11
D3.3V
10
A3.3V
9
D1.8V
RF5V
8
+8V
7
6
5
A5V
DGND
4
L-CH
3
2
MGND
R-CH
1
CN3006
AGND
Figure 4-2 BLOCK DIAGRAM (2/3)
INVERTER
26
2,29,63
Q3103
IC3101
1,3-7,
LA9703W
9,10,13,
52,58,59,
DVD PLAYER
61,62,64
FRONT END
PROCESSOR
DGND
VREF
25
197
SLDO
12
205
SPDO
14
206
TDO
18
207
FDO
16
208
159
SDA
162
SCL
163
176
XL3001
33.8688MHz
IC3701
LA73054
D3.3V
VIDEO
BUFFER
IC3203
M24C04
4K BIT
EEPROM
1-4,7
DGND
4 – 3
RF5V
48
A3.3V
2
DGND
IC3
LC742
(Serial No. to
LC74
(Serial No. fro
SINGLE
FOR
177
DGND
A5V
2,6,8,
11,14,16
7,17
22,2
29,32
21,23,25,
AGND
28,31,33
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