Schematic Diagram - BenQ E2220HD Service Manual

21.5" LCD Color Monitor

Schematic Diagram

Main Board
CN701
+5V1
10
9 R713
8
7 0R05 1/4W
6 DIM
5 ON/OFF
4 R714
3 0R05 1/4W
2
1
CONN C702
+
C701 100uF 25V
0.1uF/16V
+5V
C708
0.1uF/16V
+5V
R710
3.3 OHM 2W
VCC3.3
+5V
R701
10K1/16W
R702 100R 5% 1/16W
VCC3.3
C715
100pF 50V
R703
10K1/16W
C703
+
100uF 25V
C704
0.1uF/16V
C705 R705
0.1uF/16V
Q701
2N3904S-RTK/PS
U702
3 2
VIN VOUT
AP1117E33LA
VCC3.3
U701 NC/G1084-33T43Uf
3 2
VIN VOUT
C709 C714
+
0.1uF/16V
100UF25V
TO-252
Close to U703
lay
U703
3 2
VI VO
U704
VCC1.2
3 2
VCC1.2
VIN VOUT
C713 C712
+
100uF 25V
0.1uF/16V
AP1122DL13
TO-252
lay
Adj_BACKLIGHT {4}
VCC3.3
R704
10K1/16W
22K1/16W
on_BACKLIGHT {4}
R707
10K1/16W
R709 22K1/16W
{4} on_PANEL
{4}
T P V ( Top Victory
G3550-M0G-X-X-2-090624
絬 隔 瓜 絪 腹
Key Component 1.0.COVER
Date Friday , July 03, 2009
55
VLCD
FB410
120 OHM
+5V
R706
10K1/16W
Q702
R708 68KOHM 1/16W +/-5% AO3401
Q703
2N3906S-RTK/PS C710
R712 220nF 16V
47K1/16W
C711
R708 100K--68K
10uF 6.3V
R712 NC--47K
improve I-rush
current
E2220HD
Electronics Co . , Ltd. ) OEM MODEL
HI9ASBD89XBQPN
TPV MODEL
PCB NAME 715G3550-M0G
Sheet 2 of 7
BenQ E2220HD
+5V
U301
NC/AO4411
R711
10K1/16W
B
Size
Rev G
<称爹>
称爹