BenQ E2220HD, Service Manual

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