Schematic; Main Board - AOC 511Vwb Service Manual

15" LCD Color Monitor

6. Schematic

6.1 Main Board

CN501
1 +12V
2
3
4
5
CONN
CN501 2pin change to 5pin
+12V
C508
100uF25V
CN502
1
2
3 ON_OFF R505
4 220R 1/10W
5 BACKLIGHT
CONN +5V
R508
4K7 1/10W
R507
4K7 1/10W
C511 Q502
1uF/25V
PMBS3904
+3V3 +3V3
R510
10K 1/10W
Q505
PANELPOWER_ON/OFF
PMBS3904
ADD Q505 for AC on flashing
+12V
L501
3 4
2 5
1 6
BEAD
C501 C502
100uF25V 100uF25V
C522 C503
0.1uF 0.1uF
C509
0.1uF +5V
R506
4K7 1/10W
C510 Q501
INVON
0.1uF PMBS3904
R509 NC
VBRI
VLCD
VLCD
+3V3
R512
10K 1/10W
Q504
R513 AO3401
0R05 1/10W
Q503 C514
PMBS3904 0.1uF/16V
C513
0.1uF/16V C515
+
10uF/16V
U501 SI-8050SD
1 2
+VIN VOUT
L502
4 150uH R501
VOS
0R05 1/10W
D503
SR34
C504
0.1uF
+5V TO-263
U502
3
VIN VOUT
1
ADJ
C516
0.1uF/16V AP1084K33LA
+5V
7
C519
0.1uF/16V
R514
0R05 1/10W
U503 change to SOT-252 for temperature issue
R515
10K 1/10W
15
+5V
C505 C506
+ +
C507
0.1uF/16V
220uF/10V 220uF/10V
VCC3.3
2
VCC3.3
C517
+
100uF/16V
C518
0.1uF/16V
TO-252
U503
3 2
Vin Vo2
C520
+
100uF/16V
C521
AIC1084-33PE 0.1uF/16V
Title
G2417-C-X-X-1-20061225
Size Document Number
B
Date: Friday , January 26, 2007
AOC 511Vwb
4
+3V3
Rev
POWER A
Sheet 2 of 7