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Check Sheet - 119
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■ 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
❒ 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?