Service manual

19" LCD Color Monitor I-INC AG191A
21
BL_EN
R54
NC
R48
1K 1/16W
5V
R47
NC/ 4.7K 1/16W
BK_EN
1.8V
D33
LL4148WP
C46
NC / 0.1uF/16V
MU TE
R229 100 1/16W
C32
0.1uF
+
C42
47uF/16V
D32
LL4148WP
C48
10uF/16V
STBY
R55
0 1/ 16W
BL_ADJ
STBY
5V
5V
BL_ON/OFF
AMP_MUTE
R230
10K 1/16W
VOLUME
+
C40
100uF/16V
R538 NC
KEY2
C47
0.1uF/16V
5V
Q1
NC / PMBS3904
R38 100 1/16W
C33
0.1uF/16V
Q16
PMBS3904
Modify R544,542,541,543 and
C164_20060427 by ref_Nick
C171
1uF/16V
BL_BRIGHT
R41 22 1/16W
AOC Sam request Audio control method
+
C31
47uF/16V
R51
10K 1/16W
BL_ON/OFF
R50
NC/ 4.7K 1/16W
Q4
PMBS3904
AMP_STBY
5V
5V
U301
G1117-33
3
1
2
4
VIN
GND
VOUT
VOUT
R40 47 1/16W
R45
NC / 10K 1/16W
C44
0.1uF
R544 4.7K 1/ 16W
5V
PWR _LEDB
C303
10uF/16V
MUTE
5V
C37
0.1uF/16V
POWER
0.1
I-MOD E L-HS D
67Thursday , April 27, 2006
Title
Size Document Number Rev
Date: Sheet
of
VDD+5
R46 NC
KEY1
VOLUME
VCC
BL_ADJ
R39 22 1/16W
C38
0.1uF/16V
R303
10K 1/16W
C45
NC / 0.1uF/16V
STBY
C302
0.1uF/16V
R59
10K 1/16W
R542
NC / 4.7K 1/16W
AMP_STBY
C164
1uF/16V
R174
NC
R57
51K 1/16W
R228 10K 1/16W
C35
0.1uF/16V
Q17
PMBS3904
R49 NC
3.3V
C39
0.1uF/16V
C30
0.1uF
R302
0 1/ 16W
R540 4.7K 1/16W
PWR _LEDO
R541
10K 1/16W
R537 10K 1/16W
Q3
AO3401
G
D
S
PWR_EN
Q2
NC / PMBS3904
R539 0 1/16W
C34
0.1uF/16V
5V
C165
1uF/16V
C301
10uF/16V
BK_PWM
R58
4.7K 1/16W
C172
1uF/16V
C43
0.1uF
C36
0.1uF/16V
C41
0.1uF/16V
PWR
MU TE
C49
0.1uF/16V
R543 4.7K 1/16W
CN3
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
VDD+5
U4 NC / RT9164A18PG
1 2 3
ADJ/GND VOUT(TAB) VIN
U3
AIC 1084-33PM
3
1
2
VIN
GND
VOUT
R227 100 1/16W
R301
0 1/16W