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94 - Check sheet
Check sheet
Kindly take a copy of the check sheet and fill out the relevant items before contacting us in
order to provide us with details on the systems of the trouble that has occurred with your
projector.
Images
Inquiry details
The power supply cannot be switched on
Nothing is displayed on the screen
A message is displayed
NO SIGNAL
The image signals are not being input
The projector is not able to receive the
signals
Blue screen (blue back)
Projection pattern
Logo (the message is not displayed)
The image breaks up or is too small
An area on which nothing is displayed exists
The image is smaller than the screen
The screen is distorted into a trapezoid shape
Certain dots are missing
The image is not clear
The image is blurred or cannot be focused.
Stripes are displayed
Flickering
Certain characters are missing
The color or the image is bad or too dark
Dark
The color is bad or dark (computer)
The color is bad or dark (video)
The color is different on a TV and CRT
Menu
The menu is displayed
Setup Sleep Mode ON
Information (computer)
Lamp ON Time H
Frequency H Hz
SYNC polarity
SYNC mode Separate Composite
Input resolution X
Refresh sheet Hz
Information (video)
Lamp ON Time H
Video signal system
H Positive Negative
V Positive Negative
AUTO
NTSC
Others
Sync on Green
Describe the problem
EMP
Serial number
Purchasing time
Year, month
Indicator
(Describe the color of the indicator lamps and
the status of illumination and blinking)
Operation
Lamp
Temperature
Computer settings (screen property)
LCD display exists
Resolution X
Refresh sheet
Hz
Computer
Win MAC EWS
Manufacturer's name( )
Model ( )
Note, desktop, single unit
Panel resolution( X )
Video board ( )
Video equipment
Video, DVD, camera
Manufacturer's name
( )
Model( )
Computer cable
Specially designed
Length m
Model number( )
Wiring, additional equipment
Model number( )
Switching unit
Model number( )
Connector
Is it plugged in firmly?
Computer
D-Sub15 pin
BNC
DVI-D
Video
Composite
S port
Component
Power cable
Is it plugged in firmly?
Power switch on
Time of occurrence Before use. Immediately after the start of usage. During usage. Other.( )
Frequency of occurrence Always. Sometimes ( __ times per __ usage). Other.( )
Always occurs when _______ is performed, etc.
Connector
Is it plugged in firmly?
96


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