ViewSonic VP150M Service Manual - Page 24

Service, Manual, THEORY, CIRCUIT, OPERATION

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ViewSonic September 2000 - Version 1.0 THEORY OF CIRCUIT OPERATION Service Manual VP150m 4. I.23 212 ov + X06 H 10V C77 .16 NT C8 >4, otcour SOS , kT4- 33,.. X.,. L30 .684,1 E,TMI. 6 1,1. - 3 22 ...I " •0.1 otY'fr -.0 jr-•+. • 200 T°4 10.0 021009 C52 061 M "' 1 0.0 1 '0 lea, IC51531 GO P2.0 07 (0 05) r 6 ;w O-C3-0 Cet auffi SA25 47 ;Aw/o 824 48u 486 •1 . BA TA 22,1 " IH EcE 06 22 0.36 C47 048 DC 66 47 tiv PRA, NW 78 L40 oco 0,00 PST> ¢87 ICS1531 is a triple 8-bits A/D converter optimized for XGA LCD monitor with maximum sampling rate of 100 MSPS. It can support both single-channel and dual digital output .The analog input ICS1531 is a highly integrated analog interface. The analog input from DSUB R, G, B signal are first sampled by six channels of ND converter. ICS1531 chooses dual-channel digital output to AM101-1 and the 48 bits R, G, B data. Confidential - Do Not Copy Page 23

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ViewSonic
September
2000
-
Version
1.0
Service
Manual
VP150m
THEORY
OF
CIRCUIT
OPERATION
4.
I.23
212
ov
10V
C77
.16
C8
+
X06
H
GO
r
NT
>4
,
otcour
lea,
IC51531
kT
4-
33,..
X.,.
L30
E,TMI.
.684,1
6
1,1.
3
22
...I
-
"
•
0
.1
otY'
fr
SOS
,
—.
0
jr-•+.
200
•
22,1
"
BA
TA
O
-C3-0
Cet
auffi
48u
486
•1
.
T°4
IH
EcE
06
021009
C52
061
M
"'
10.0
1
0.0
1
'0
22
0.36
C47
048
66
(0
05)
6
;w
;A/o
w
SA25
47
824
47
P2.0
07
DC
78
L40
oco
0,00
PST>
ti
v
PRA,
NW
¢87
ICS1531
is
a
triple
8
-bits
A/D
converter
optimized
for
XGA
LCD
monitor
with
maximum
sampling
rate
of
100
MSPS.
It
can
support
both
single
-channel
and
dual
digital
output
.The
analog
input
ICS1531
is
a
highly
integrated
analog
interface.
The
analog
input
from
DSUB
R,
G,
B
signal
are
first
sampled
by
six
channels
of
ND
converter.
ICS1531
chooses
dual
-channel
digital
output
to
AM101-1
and
the
48
bits
R,
G,
B
data.
Confidential
—
Do
Not
Copy
Page
23