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TROUBLESHOOTING GUIDE
Check the following guide for a possible correction to a problem before contacting customer service.
Symptoms
No power
No picture
No sound
No TV signal
Stripe or purple
interference appears in the
screen.
Picture becomes
snowy.
Picture with multi-image
TV channel not received
Black box appears on
screen.
Remote control
doesn't operate.
• Connect the power plug into the wall outlet securely.
• If a component is connected to the TV, make sure the video cables are firmly
connected. Then switch the TV to the appropriate Video mode.
• Verify coaxial cable from antenna is connected to the ANTENNA IN jack on the TV.
• If a receiver is connected to the TV, make sure the audio cables are firmly
connected. Then switch to the appropriate mode on the receiver. Refer to your
audio amplifier owner's manual.
• Mute feature may be enabled.
• Check whether the antenna is firmly connected to the TV.
• Unplug the TV from the wall for 30 seconds, then plug in and try again.
• Unplug the antenna connection from the back of the TV, unplug the TV from
the wall, wait 30 seconds, then try again.
• Interference may come from high frequency sources such as a broadcasting
station, poor ground connection in cable used, or non shielded audio speakers
too close to the picture tube.
• Check the antenna lead wire to see if it has open circuit or not.
• Check the connection of antenna lead wire to the TV set input.
• Check whether there is any damage to antenna.
• Change the direction of antenna to minimize the multi-image.
• The video frequency radiated from TV station can be reflected by tall buildings,
high tower, etc.
• Make sure the Air/Cable setting is correct.
• Channel may be locked with the block channel feature through Parental Guide.
• Check Add/Erase feature, as channel might have been erased during set up.
• Closed Caption feature might be activated.
• Batteries may be weak. Replace batteries.
• Make sure remote sensor is not blocked including deflection from curved glass
cabinet.
Correction
14
MR53R400
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