ViewSonic VS11618 Service Manual page 71

11.2 Power
+5V +12V
CN701
3,4 +5V
1
2
3
4
5
6
7
8
9
C702
CONN + + C701
100uF/50V
100uF/25V
New Power port define
D701 C707 U701
LD1117S33
For 15" 0.1uF
SMAL140
SOT-223
Over 15" X X
+5V
5
R708 R710
10K 1/16W 10K 1/16W
R711
R709
4K7 1/16W 51K 1/16W
Q704
4 on_Panel
PMBS3906
C709
0.1uF/16V
The type of R709 ,R712
ARE 0603
ViewSonic Corporation
+5V
R701
R702 1K 1/16W BL_ADJ R31 C32
+12V 4
P W M 47 N.C
4K7 1/16W
D C 4K7 1uF
R703 4K7 1/16W
C703
1 F 6.3V Q701
PMBS3904 R718
NC/1K 1/16W
+5V
R716
R717 NC/1K 1/16W
NC/4K7 1/16W
C713
NC/1uF Q705
+5V
NC/PMBS3904
R704
10K 1/16W R721
10K 1/16W
C704
0.1uF/16V Q702 R705 4K7 1/16W
PMBS3904
R720
11/16/06 : 發 癹隔
NC/1K 1/16W
C705 R713 R714
100uF/25V X X
X X 0 0
VLCD
VLCD
Q703
+5V
AO3401
C710
0.1uF/16V
C711 R712
+
10uF/16V
10K 1/10W 5%
Confidential - Do Not Cop
The type of R707 and
The type of R713 and
SOT-223
Adj_BACKLIGHT 4
R707
+5V
U701
D701
3
3,4 +5V
VI
SMAL140
R706
R715 NC/4K7 1/16W
Adj_BL2 4
NC
R719
SOT-223
NC/1K 1/16W
U702
3
VI
C707
0.1uF/16V
on_BACKLIGHT 4
For 15", Power Board will support +3.3V.
And D701, C707, U701, C705, C709 should replace
to R713 and R714.
- 71 –
R706 are 1206
R714 are 1206
NC
VCC3.3
2
VCC3.3 4
VO
The Current of VCC3.3 ( with
C706
+
support 1.8V) is arround
10uF/50V
382.6mA. U702 is n't safe to
use 1117 SOR223.
AP1117E33LA SOT223-3L ATC The Current of VCC3.3 (
without support 1.8V) is
arround 196.6mA. U702 is
safe to use 1117 SOR223.
VCC1.8
2
VO VCC1.8 4
The Current of VCC1.8 is
+ C708
arround 184.9mA. U? is safe
10uF/50V
to use 1117 SOR223.
IC AIC1117A-18PY TR-R SOT223
G2467-B-X-X-1-20061124
Title
Power
Size Document Number
B 715G2467-A for VA1903WM
Date: Wednesday , Nov ember 29, 2006 Sheet
VA1903wb/VA1903wm
Rev
A
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