ViewSonic PJ870 Service Manual - Page 59

Function, Troubleshooting

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PJ870 Color Adjust Procedure : Notice : PC shall run R.G.B. gray scale pattern (3:169 pattern) ofDMU Program. 1. Press menu button and power on simultaneously. Hold menu button until View Sonic logo is showed on the screen. 2. Press menu button again and OSD will appear on the screen. 3. Choose service function. 4. Choose "displaying hours" function. 5. Press "-", "+" and "-" buttons in turn. 6. Press "+" or "-" button to adjust. Note 1 : It may need to be used when you replace Main Board or Optical Engine alone. 6-2.3 C. Function Troubleshooting ( Start ) Does OSD show up ? Yes Can function be adjusted ? Yes End ViewSonic Corporation Is KeyPad Board OK ? Yes Is Remote Yes Change Controller Main board OK? No Change KeyPad board Change Main board Change battery N Change Remote Controller [ 6-6 ] Confidential - Do Not Copy

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PJ870
Color
Adjust
Procedure
:
Notice
:
PC
shall
run
R.G.B.
gray
scale
pattern
(3:169
pattern)
of
DMU
Program.
1.
Press
menu
button
and
power
on
simultaneously.
Hold
menu
button
until
View
Sonic
logo
is
showed
on
the
screen.
2.
Press
menu
button
again
and
OSD
will
appear
on
the
screen.
3.
Choose
service
function.
4.
Choose
"displaying
hours"
function.
5.
Press
"-",
"+"
and
"-"
buttons
in
turn.
6.
Press
"+"
or
"-"
button
to
adjust.
Note
1
:
It
may
need
to
be
used
when
you
replace
Main
Board
or
Optical
Engine
alone.
6-2.3
C.
Function
Troubleshooting
(
Start
)
Does
show
OSD
Is
KeyPad
Yes
Is
Remote
Controller
OK?
Yes
Change
Main
board
up
?
Board
OK
?
No
Yes
Change
Change
KeyPad
board
battery
N
Can
function
be
adjusted
?
Yes
End
Change
Main
board
Change
Remote
Controller
[
6-6
]
ViewSonic
Corporation
Confidential
-
Do
Not
Copy