LM721A
Service Manual Rev: A
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6.2 Inverter/Power Board
1.
CONVERTER SCHEMATICS
IDPC7425A6(715L963-1-2)
A
1.POWER
AOC (Top Victory) Electronics Co., Ltd.
A
2
1
Friday, August 16, 2002
Title
Size
Document Number
Rev
Date:
Sheet
of
DIM
+5V
GND
ON/OFF
+A5V
GND
+A2.5V
+2.5V
GND
+12V
+A3.3V
+3.3V
+A5V
+12V
GND_F
+5V
+2.5V
+5V
+A3.3V
+5V
+3.3V
C0N102
33A8009-12G-H
1
2
3
4
5
6
7
8
9
10
11
12
C109
0.1 uF/25V
L103
600(1206)
TP101
TP_SMD
1
R101
OPEN
TP102
TP_SMD
1
TP104
TP_SMD
1
TP103
TP_SMD
1
TP110
TP_SMD
1
TP111
TP_SMD
1
TP112
TP_SMD
1
L102
150UH
C113
470 uF/16V
R102
0
C108
0.1 uF/25V
C110
0.1uF/25V
R109
1K(OP)
R103
0(OP)
D101
SR34 OR SMAL340
C103
470 uF/16V
U101
SI-8050SD
TO263
1
5
4
3
2
VIN
/ON
FBK
GND
Vout
R104
3K(OP)
C101
220 uF/25V
TP105
TP_SMD
1
C104
470 uF/16V
R105
open
C111
0.1uF/25V
L104
600(1206)
U102
AIC1084-33CM
3
1
2
VIN
ADJ
Vout
C105
OPEN
R106
0
TP106
TP_SMD
1
TP107
TP_SMD
1
TP108
TP_SMD
1
TP109
TP_SMD
1
220 uF/25V
C102
C112
0.1U/25V
R107
150
C106
470 uF/16V
R108
150
C107
470 uF/16V
U103
AIC1084CM
3
1
2
VIN
ADJ
Vout
L105
600(1206)
F101
5A/63V(88A304-1S)
L101
INDUCTOR(71L55-28)
CON101
+12V_POWER( 88A304-1S)
GND
+5V
GND
+A3.3V
+3.3V
GND
ON/OFF
+12V
DIM
+2.5V
+A2.5V
+A5V
is power GND
is signal GND
2.
INVERTER SCHEMATICS
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