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Troubleshooting guide
Before calling a technician, please check the following items to see whether you can easily diagnose and fix
the encountered symptoms on your own.
Symptoms
No picture, no
sound, and no
indicator light
Picture and sound
with abnormity
Picture is spotted
or with snow
Blue background
PC Picture is not
in the middle of
the screen
No sound
The RC does not
work
The causes of interference
Incorporated in your TV receiver are the most up-to-date devices to eliminate interference. Local radiation
however, can create disturbances, which visibly affect your picture. Proper installations, a good aerial are
your best safeguards against these disturbances.
RF INTERFERENCE
Moving ripples across the screen are caused by nearby transmitting or receiving short-wave radio equipment.
DIATHERMY
Herringbone pattern and partial picture loss can result from the operation of diathermy equipment from a
nearby doctor's surgery or hospital.
SNOW
Weak TV signals from long distant stations result in an instead picture and give the effect of falling snow.
An antenna adjustment or antenna amplifier may be needed.
GHOST
Multiple image, caused by TV signals reflected back from surrounding buildings, hills, aircraft, etc. is
minimized by correct aerial positioning.
CAR IGNITION
Nearby cars and electrical motors can cause small streaks across the picture or make the picture roll.
Possible Cause
The power cord is not plugged in.
Contrast, brightness, sharpness, color
and volume are all in the minimum
value or TV is in mute mode.
Contrast and color are set improperly.
Color system is set improperly.
Sound system is set improperly.
Signal source is low-grade or the signal
is in a lower quality.
No video signal or the signal cord is
improperly/not connected.
Picture is not well adjusted.
No audio signal or the signal cord is
improperly/not connected.
Batteries are improperly installed or
exhausted.
Plug the power cord in.
Alter the value of contrast, brightness,
sharpness, color and volume.
Set the value of Contrast and color
properly.
Set the sound system properly.
Use the qualified signal cord.
Connect the signal cord properly.
Press the CH+/CH- buttons at one time to
adjust it.
Adjust H/V- position manually to adjust it.
Connect the audio signal cord properly.
Set the sound system properly.
Make sure the positive and the negative
polarities are correct.
Reattach the battery lid.
Replace the batteries.
14
Correction
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