Dc-Dc - ViewSonic VE150m Service Manual

10.5

DC-DC

C171 C172 C173
0.1u 0.001u 10p
L3
R6H6(BED-R6H63-TS11)
VIN
C174
F1 FUSE/DIP 0.1u
DC12V R135 R136
CON10
1
0R 0R
2
2PIN 2.54mm DIP HOUSING(OPEN)
J1
DC power jack(CNN-P001H-3401)
VCC5 VCC3-1
U15
AIC1084-3.3
I O VCC3-1
VIN OUT
C186
0.1u
C187
0.1u
U11
8050SD(SK)
VCC12
FEEDBACK
1
VIN
C159 C160
0.1u 100u / 16V
R92 0(NP)
C175 C176
0.001u 10p
9.0
10.7
VCC3-DCV
FB85 BED-151M1-3501(1206)
C188 C189 C190 C191 C192
220u / 16V 220u / 16V 10p 0.001u 10p
ViewSonic Corporation
R90 10K(NP)
4 R91 0R
L1 150UH@3A (DIP)
2 VCC5-6 L2 33UH@3A (SMD)(NP)
OUTPUT
D9 C161
IN5822 220u / 16V
VCC5
U13
AIC1084-3.3
I O VCC-PANEL1
VIN OUT
C179
10u / 25V C180
0.1u
OPTIONAL
56
Confidential -
VCC5
FB93 BED-121L1-2601
VCC5-5 FB82 BED-121L1-2601
C162 C163 C164 C165 C166
220u / 16V 0.1u 0.001u 10p 220u / 16V
VCC5
FB83 BED-121L1-2601 VCC-PANEL
C177
0.1u
R137 4.7K R93 4.7K
C181 3 8
2 U14 7
1 6
100u / 16V 5
Si9433DY
R94 330
C185
B
1,3 VDDCTRL Q4
2N3904 10u / 25V
R95
75
Title
Size
Custom
Date:
- Do Not Copy VE150m/mb
FOR THE MAIN POWER
NOTE: ONLY ONE SET OF POWER
SUPPLY WILL BE USED
5V 3A
C167 C168 C169 C170
220u / 16V 0.1u 0.1u 10p
C178
220u / 16V
FB94 BED-121L1-2601
LCDV FB84 BED-121L1-2601
LCDVDD
C182 C183 C184
220u / 16V 0.1u 0.1u
ViewSonic Corporation
DC/DC
Document Number Rev
VE150m/mb
V0.1
Friday, August 09, 2002 Sheet 5 of 6