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 derails 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 | H | ❒ Positive | ❒ Negative |
| V | ❒ Positive | ❒ Negative |
SYNC mode |
| ❒ Separate ❒ Composite | |
|
| ❒ Sync on Green | |
Input resolution | X |
| |
Refresh sheet |
| Hz |
|
❒Information (video)
Lamp ON Time H
Video signal system ❒ AUTO ❒ NTSC ❒ Others
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)
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( )
Connector
❒Is it plugged in firmly?
Operation ❒
Lamp ❒
Temperature ❒
Connector
❒ Is it plugged in firmly? ❒ Computer
❒
❒
❒ Composite ❒ S port
❒ Component
Power cable
❒ Is it plugged in firmly? ❒ Power switch on
Computer cable
❒Specially designed
❒Length m
Model number( | ) |
❒Wiring, additional equipment
Model number( | ) |
❒ Switching unit |
|
Model number( | ) |
Always occurs when _______ is performed, etc.
Time of occurrence ❒ Before use. ❒ Frequency of occurrence ❒ Always.
Immediately after the start of usage. ❒ During usage. ❒ Other.( | ) |
❒ Sometimes ( __ times per __ usage). ❒ Other.( | ) |