ViewSonic VX500 Service Manual - Page 46
Vx500, Vlcds22825
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P.AiM0. ‹1 RB33 RAIM0_0 100K R834 100K CB42 100nF CB41 100nF RB37 RB36 100K 100K 'S7 UB4B LM358 7 12V CB40 100nF RB35 OR BR CTRL UB3 12V LM2596S-5 0 0 VIN _ CB34 * CB35 220UF/25V 220UF/25V CC RB32(X)l.24K(1%) FEEDBACK uu__ OUTPUT O to RB40 OR FBX3 33UH(DIP \IOU 1 2 FBB3 33UH(SMT) DB1 1N5822 003 470uF/ 6V RB31 OR OUT1 +5V 5V O FBB4 1 2 BCM453215A121 CB39 470uF/16V CB37 CB38 470uF/16 470uF/1 V
CB42
100nF
CB41
100nF
RB37
RB36
RB33
P.AiM0.
1
‹
RAIM0_0
100K
R834
100K
100K
CB40
100nF
100K
'S7
UB4B
LM358
7
RB35
12V
OR
BR
CTRL
12V
0
_
CB34
*
220UF/25V
12V
CB5
10PF
CB35
220UF/25V
UB3
LM2596S-5
0
VIN
FEEDBACK
u_
u_
OUTPUT
O
to
\IOU
FBX3
33UH(DIP
1
2
LB1
1
330
CC
RB40
OR
12V
FBB3
RB32(X)l.24K(1%)
RB31
OR
OUT1
33UH(SMT)
DB1
1N5822
003
470uF/
6V
R6H610*0.85-3Ts,DIP
CB33
220UF/25V
CB3
10PF
B53
CB54
10P•
100nF
1ilnF
CB5
(X)
C852
6(X)
1
2
2.5mm
1
2
3
CB37
470uF/16
B2B-EH(2.5mm,DC
JACK)
AD
INPUT
FROM
POWER
SUPPLY
Confidential
-
Do
Not
Copy
CB38
470uF/1
V
+5V
FBB4
1
2
BCM453215A121
CB39
470uF/16V
1
2
3
4
5
6
7
8
HOLE
3.5MM
5V
O
1
2
3
4
5
6
7
8
HOLE
3.5MM
PENEWL
<<PENEIKI.
RB38
BR
CTRL
RB39
1
2
3
4
5
6
7
8
HOLE
3.5MM
1
2
3
4
5
6
7
8
HOLE
3.5MM
12V
CB5
CB5•
100PF
100PF
2
3
4
5
6
7
HEADER
7(1X7,90',2.0)
ViewSonic
Corporation.
Title
DC/
DC
VX500
(VLCDS22825-
XY)
Date:
Monday,
June
18.
2001
Sheet
I
7
of
8
ViewSonic
Corporation
43
VX500-1