Service manual

MVP3-SCH-001 1.0
POWER SUPPLY
5
8
Wednesday, May 21, 2003
MRT, Inc.
Title
Size Document Number Rev
Date: Sheet
of
VDD
VCC
VDD2V
VAA2V
VDC2V
VAA3V
VAA3RGB
VDD3V
VCC
+12V
DC_VIN
VCC+5V
DC_VIN
LL1
C4426-060128YB
C50
0.1uF
C57
0.1uF
U12
AIC1084-33CM
TO263
3 2
1
4
IN OUT
C
OUT1
C60
0.1uF
EC38
220uF/16V
+
EC40
220uF/16V
L27 BE0805
C62
0.1uF
L26
BE0805
C51
0.1uF
U10
AMC2576-5
1
3 5
2
4
6
VIN
GND ON/OFF
OUTPUT
FEEDBACK
GND1
L19
L20
C61
0.1uF
C59
0.1uF
L16
R83
0
C58
0.1uF
JUMP1
EC20
47uF/16V
U13 LT1117CST-2.5&ADJ
1
23
4
ADJ
VOUTVIN
TAB
L18
C55
0.1uF
C53
0.1uF
L17
EC23
220uF/16V
EC22
47uF/16V
+
EC11
22uF/16V
C63
0.1uF
EC18
47uF/16V
F1
125V/5A
2
3 4
1
EC14
47uF/16V
C49
0.1uF
C48
0.1uF
EC10
47uF/16V
EC9
220uF/16V
C54
0.1uF
C52
0.1uF
R1
120_1%
R126
120_1%
C56
0.1uF
+
EC39
220uF/16V
D3
1N5820
2 1
34
+
EC12
220uF/16V
DC_VIN1
Keep feedback wire away from inductor flux
I
O
3
O
1
G
4
2
GI
LT1117CST-2.5
31
O
SOT-223
4
2
GND
6
AMC2576-5
2
3
1
4
5
IN
GND
SW
FB
OUT
O
修改 2
5/18 追加