Scaler Board Schematic Diagram - Philips 220VW8FB/00 Service Manual

23 220VW8 LCD
1 2 3
CN1 CN1 CONN 4x2-R CONN 4x2-R
1 2
3 4
5 6
+5V
A 7 8
R1 R1
0/1206 0/1206
VCC3.3
B
R5 R5 10K/6 10K/6
R9 R9
C6 C6
1uF/8/NC 1uF/8/NC
C
PC5V
3 PC5V
D
+5V
3,4,5 +5V
D3 D3
D4 D4
BAT54C-GS08 BAT54C-GS08
SSM12LL SSM12LL
L1 L1
CX201209813/8 CX201209813/8
E
F
G
1 2 3
Schematic Diagram(Scaler Board - Power)
4 5
VCC12
VCC12 5,6
VCC3.3
R2 R2 R3 R3
0/6 0/6
10K/6 10K/6
Q1 Q1
R4 R4 1K/6 1K/6
on_BACKLIGHT 4
MMST3906 MMST3906 C3 C3
VCC3.3
0.1uF/6/NC 0.1uF/6/NC
R6 R6
10K/6 10K/6 R8 R8
1K/6 1K/6
0/6 0/6
Q2 Q2
2N3904 2N3904
R11 R11 2.2K/6 2.2K/6
2
Adj_BACKLIGHT 4
U3-A1 U3-A1
3 2
VIN VOUT
1 4
ADJ/GND OUT
LT1117/TO252/NC LT1117/TO252/NC
U1 U1 VCC3.3
3 2
VIN VOUT
R17 R17
1 4
ADJ/GND OUT
+ +
LT1084/TO263 LT1084/TO263 200/6 1% 200/6 1%
R18 R18
330/6 1% 330/6 1%
4 5
6 7 8
VCTRL 4
R7 R7
47/6 47/6
VCC1.8
+ +
C5 C5
4.7uF/16V 4.7uF/16V
D1 D1
R10 R10 0/6 0/6
SSM12LL SSM12LL
B
Q3 Q3
R12 R12
2SB1132PT 2SB1132PT
2K/6 2K/6
D2 D2
1N4148 1N4148
R13 R13
VCC3.3
100/6 100/6
VCC3.3 4,6
D1 SOT-89
B C E
+ +
6 7 8
9 10 11
VCC1.8 4
9 10 11
220VW8 LCD 23
12
S-A2
S-A3
A
CN1 A2
C1 A3
C3 B4
C4 B2
C5 A7
C6 C3
C7 E3
C8 E6
B
D1 B7
D2 B6
D3 D2
D4 D2
L1 E3
Q1 B3
Q2 C3
C Q3 B6
R1 A1
R2 B3
R3 B4
R4 B3
R5 B2
R6 B3
R7 A7
D
R8 B3
R9 C3
R10 B8
R11 C4
R12 B7
R13 B6
R17 E6
R18 E4
E
U1 E4
U3-A1 D4
F
G
12