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TROUBLESHOOTING
GUIDE
30
Troubleshooting Guide
31
Please check the following items before asking for repair service.
Symptom Check items
Neither picture
nor sound.
Picture is OK,
but no sound.
Sound is OK, but
no color.
The picture is
overlapped image.
Picture has “snow
noise”.
Stripes on
picture.
Bad stereo or SAP
sound.
Remote control
does not
work.
- Check the contact of sockets is all right.
- Check the TV main power is on.
- Check the Volume control is set to minimum or mute.
- Check the color control and adjust it properly.
- Check the program is in color or in black & white.
- Check the antenna is installed correctly and if not, adjust the
antenna toward the broadcasting station.
- Check the “FINE TUNE” is set up correctly and if not, adjust the
fine tuning properly.
- Check the antenna or its connection is correct and if not,
correct the antenna fault or connection cable fault.
- Check if car traffic or neon sign disturbs the sound effect.
- Check the susceptible interference by other electronic devices
such as radio and television and keep magnetic or electronic
devices away from the TV.
- Long distance from the station or other radio waves can
generate bad sound reception. If so, change the mode to
Mono.
- Check if the batteries in the Remote control die.
- Check if any object between IR sensor of the TV and the
Remote control does not obstruct.
IN PC MODE
Symptom Check items
“OUT OF RANGE”
appears on the
screen.
“NO SIGNAL” appears
on the
screen.
Image is not
clear.
Image is not
centered.
- Check the resolution and frequency of your PC. Then, adjust
them to optimum condition for LCD TV ; 1024 x 768 and 60Hz.
- Refer to the table of PC mode input format indicated on page
22. (Not being registered resolution and frequency on the table
won’t be displayed.)
- Ensure that the signal cable is firmly connected to PC and TV.
- Adjust the PHASE control. (Refer to the PC ADJUSTMENT of
page 23.)
- Adjust the H-POSITION, H-SIZE and V-POSITION control. (Refer
to the PC ADJUSTMENT on page 23.)
polaroid LCD1550/1750(NT) 03.6.19 9:59 AM ˘ ` 30 mac001 1200DPI 90LPI