Curtis LCD2277 Flat Panel Television User Manual


 
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APPENDIXAPPENDIX
According to the device species, it is possible to display image normally.
In this condition, please adjust as following steps.
DEFECT JUDGEMENT
TROUBLESHOOTING
Phenomena
No picture, Indicator
light if off.
Display “NO SYNC
SIGNAL”, no picture,
Indicator light is green.
Display “Invalid Scan
Fred” on the screen
when you connect
to a computer.
1. Check the signal cable is properly connected.
2. Make sure the power switch of computer and video
Device is on.
3.Make sure
the computer is not under electricity-saving
Mode.
4. Check input whether match the interface.
Check Parts
Could not receive the input signal normally.
1. Check whether the computer resolution has been out of
Television resolution range.
2. Check the signal cable is properly connected.
1.Check the connection of Power cord.
2. Connect to the power switch.
Power indicator light is
normal, but no picture.
The image appears distorted.
The text on the screen appears
vertical streaks, and character
is not clear.
The text on the screen is not
clear. The picture appears
shaking when display.
The remote control
doesn't work.
1.Check the contrast ratio and brightness setting
(increase
the contrast ratio and brightness setting)
Adjust point pulse rate and phase position.
(First to adjust Point pulse rate, then adjust
the phase position.) (RGB input)
Adjust the point impulse phase position to
get optimization effect. (RGB)
1. Check whether the remote control has installed
with the batteries and polarity.
2. Check
whether the batteries are good.
3. Check whether the batteries have been dead.
TROUBLESHOOTING
Attempt the following steps to diagnose the symptom you have seen. If the
symptom couldn’t be corrected, please contact the dealer.
The Symptom of Trouble
Possible causes
Correct measures
Symptom
There are spots on the
screen, and the sound
is not clear when you
watch TV.
The picture is doubled
or tripled,
but sound is good.
Disturb Intermittent
No picture & No sound
1. The antenna cables may be
disconnected.
2. The antenna cables may be
disconnected or cankered.
3. The
antenna cables may be
weak.
4. The weather is bad.
5. The transmitter is wrong.
1. The antenna cables may be
weak.
2. The television could not
tune correctly.
3. The weather is bad
4. The transmitter is wrong.
5. Television input incorrectly.
Your unit is being affected by
other television, automobiles,
fluorescent lamps,
portable radio.
1. Television is under AV mode.
2. The picture and volume are
set to minimum.
3. The television is under sleep
mode or electricity-saving mode.
1. Connect antenna cables
again or change the plug.
2. Connect antenna cables
again or change new cables.
3. Adjust antenna again.
4. There is no need to correct.
5. Check with local operator.
1. Adjust antenna again.
2. Search channels again or
adjust television.
3. There is no need to correct.
4. Check with local operator.
5. Check the outside devices.
Check the shield contains of
television and put the
television as far away
as
possible through cables.
1. Check the picture/sound
control (enter main menu).
2. Make sure power in on.
NOTE : Consumer should not repair by yourself, high-voltage is in unit, please
request professional worker to repair if meet trouble.