ViewSonic VP191b-1 Service Manual page 73

10. Schematic Diagrams
+12VA
CN1
+12VA
1
2
C6 C7
3
C5
4
0.1uF
470uF/16V 0.1uF
TU2001WNR-5P
GND
+12VA
JP2
1
2
BNC-2
Debug
NC
+12VA
U4
L4 22uH
1
+VIN
C27 C28
100uF/16V 0.1uF
LESR
C33
0
+5V
L8 22uH
C38
C36
0.1uF 100uF/16V
+5V
R12
10K
C50
NC
C52 R13
1
3 PNL_EN
NC
33
Q3
C54 2N3904
NC
R14
NC
ViewSonic Corporation
+12VA
+12VIN
L1 22uH
C8 C10
0.1uF 2200uF/16V
R5 1K
3 BRIGHT
C13
NC
+5VIN
AP1501 L3 150uH
L5 22uH
2
VOUT
4
VOS
C29 C30
5V_MAIN=2.5A
D1
0.1uF 1000uF/10V
IN5822
+12V
C39 Q1
C176 R9 AO3400
0.1uF
0.1uF 100K Power NMOS
NMos
R11
R10
100K 750R
0805 0805
C49
NC
C51
1
0.1uF
Q2
C53 2N3904
NC
C
3
1 2
B E
Confidential - Do Not Copy
70
R2 R3 C11 C12 BRI
NC 4.7K 0.1uF 0.1uF
0805
ON
C14 C15
NC 100uF/16V
R6 0
3 BLON
C20 C21
NC 10k
+5V
C31
0.1uF
VPL
C44 C45 C46
0.1uF 0.1uF
1000uF/10V
VP191b/s
U1
AIC1084
3 1
+5V VIN VOUT
JP1
C1 C2
1
330/1%
2
100uF/16V 0.1uF
3
4
5
6
7
8
9
10
330/1%
HEADER 10-2.0
U2
XC6201
3 1
+5V
VI VO
C16 C17 C18
0.1u
100uF/16V
0.1u
U3
AIC1084
3 1
+5V
VIN VOUT
C22 C23
100uF/16V 0.1uF
3.3V_MAIN MAX 5A
+3.3VD
L6 BEAD 0805
C34
0.1uF
+3.3VA
L9 BEAD /0805
C40
0.1uF
L10 BEAD /1206
+2.5VD
C42
0.1uF
L11 BEAD /0805
C47
0.1uF
Close to GM5120
Title
POWER
Size Document Number
VP191 for FJ-11AA
Date: Tuesday, October 12, 2004
+2.5VD
R1
C4
C3
100uF/16V
0.1uF
R4
+3.3VA
C19
100uF/16V
+3.3VD
R7
200/1% C24 C25
0.1uF 100uF/16V
R8
330/1%
3.3V_DVDD
(GM5120)
C35
0.1uF
3.3V_AVDD
(GM5120)
C41
0.1uF
2.5V_VDD
C43
(GM5120)
0.1uF
2.5V_AVDD
C48
0.1uF
Rev
C
1
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