Power Board - Optima L903AD+ Service Manual

19" lcd color monitor
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19" LCD Color Monitor

6.2 Power Board

715G1142 5AUE
BD901
GBU405
2
3
C905
+
150uF/400V
2
3
L902
1
4
C904 0.47uF/275V
2
3
L901
N.C_But jump 043,025
1
4
C903 0.1uF/275V
R901
R902
1M/1206
1M/1206
NR901
61L58-050-WT
F901
2.5A/250V
ZD901
C901
C902
RLZ20B
102PF/250V
102PF/250V
R917
100/0805
FG
SW901
J901
SW SPST
JUMPER1
2
1
CN901
R906
R904
C906
1M/1206
1M/1206
152P/1KV
R907
R905
1M/1206
1M/1206
D902
PS102R
+
C908
C907
0.1U_50V
22UF/50V
R909
10/1206
4
IC901
8
1
RI
GATE
R911
SG6841
24K/0805_1%
R910
5
6
RT SENSE
0/0805
C909
N.C
R913
R912
20K/0805
20K/0805/N.C
C910
102P_50V
R915
4.7K/0805
D903
1N4148/SMD
C911
R916
Q902
0.1uF/50V
4.7K/0805
2N3906
Q903
2N3904
C912
R918
0.1U/0805/Y 5V
4.7K/0805
R919
47_1/2W_M
R920
C913
47_1/2W_M
102P_500V
D910
MOSPEC20100
T901
PQ26/22.5
4
O
12
11
R903
+
+
100K_2W
D911
C914
C915
MOSPEC20100
2200UF/16V
2200UF/16V
8
O
D901
7
FR107
6
80LL19T-3-T
3
C921
R908
4700PF/250V
3R3/1206
O
2
C950
Q901
N.C
2SK2996
FB901
BEAD
R921
240/1206
R914
0.3_2W
IC902
R922
PC123FY2 4P
1K/0805
C918
0.1U/50V/X7R
R923
0/0805
IC903
HTL431
C919
0.01U/50V/X7R
24
+12V
F902
5A/24V/1206
L903
73L-253-91L
FB902
+
C916
470UF/16V
C917
BEAD
0.1UF/0805/Y 5V
C920
+
1000UF/16V
+12V
ON/OFF
BRIGHT
10
12
STBY
14
VOLUME
16
PC_R_IN
ZD902
connect pitch 2.5mm
12V/SMD
R924
1K/0805
R926
9.31K/0805_1%
R925
1K/0805
R927
2.43K/0805_1%
<Title>
INTERNAL POWER
Size
Document Number
B
Date:
Thursday , February 19, 2004
Optima L903AD+
V12A
V12B
+5V
3.3V
CN902
2
1
4
3
6
5
8
7
9
11
A_L
13
A_R
15
PC_L_IN
CONN
Rev
2
Sheet
1
of
3

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