ViewSonic PJ1000 Service Manual - Page 14
O. O., ViewSonic, Corporation, PJ1000
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UPC - 766907204018
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Picture is not displayed only when the RGB signal is input Is picture displayed when selected RGB1 and RGB2 input? NO YES 5 the 1/2 selected signal changed at pin of PIM2 NO on the PWB ass'y input terminal RGB YES PWB ass'y signal "I:=RGB1, 'El'=IRGB2 ('l-r=5V) PWB ass'y input terminal RGB Is a voltage input at pin 0 of NO PIM2 on the PWB ass'y input terminal RGB? YES 3 +5V PWB ass'y signal Are the input signals output at pins O. O. (2), Os of PIM2 on the PWS NO 'y input terminal ROB? YES 0 R signal e G signal B signal H sync / C sync 0 V sync • PWB ass'y input terminal RGB PWB ass'y signal ie ViewSonic Corporation Confidential - Do Not Copy PJ1000
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Picture
is
not
displayed
only
when
the
RGB
signal
is
input
ie
Is
picture
displayed
when
selected
RGB1
and
RGB2
input?
NO
Is
a
voltage
input
at
pin
0
of
PIM2
on
the
PWB
ass'y
input
terminal
RGB?
YES
5
the
1/2
selected
signal
changed
at
pin
of
PIM2
on
the
PWB
ass'y
input
terminal
RGB
YES
NO
PWB
ass'y
signal
"I:=RGB1,
'El'=IRGB2
('l-r=5V)
PWB
ass'y
input
terminal
RGB
YES
3
+5V
Are
the
input
signals
output
at
pins
O. O.
(2),
Os
of
PIM2
on
the
PWS
'y
input
terminal
ROB?
NO
PWB
ass'y
signal
NO
YES
0
R
signal
G
signal
e
B
signal
H
sync
/
C
sync
0
V
sync
PWB
ass'y
signal
•
PWB
ass'y
input
terminal
RGB
ViewSonic
Corporation
Confidential
-
Do
Not
Copy
PJ1000