TROUBLESHOOTING GUIDE

If the unit does not perform properly when operated as instructed in this Owner’s Manual, check the unit, con- sulting the following checklist.

PROBLEM

CORRECTIVE ACTION

No power

• Make sure the power plug is connected to an AC outlet.

 

• Make sure the power is turned on.

No operation by infrared remote

• Check if the power plug is connected to an AC outlet.

control

• Check the batteries in the remote control.

 

• Aim the remote control directly at the remote sensor. If necessary,

 

remove all the obstacles between the sensor and the remote control.

 

• Refer to the infrared signal on page 34.

 

• You have to be within 23 feet (7m) of the unit.

 

• Check if the correct mode is selected. If not, switch the mode by

 

pressing [SELECT], whichever you need.

 

 

TV Mode

Sometimes a performance problem can be easily solved by checking seemingly apparent but often overlooked possibilities. Before arranging for service, check these items. It could save your time and money.

PROBLEM

CORRECTIVE ACTION

 

 

No picture or sound

• Make sure the AC cord is connected to an AC outlet.

 

• Check antenna connection.

 

• Press [SELECT] to select TV mode.

 

Then try other TV feature.

 

• Let the unit program its tuner memory.

No picture or poor picture on the

• Adjust direction or replace antenna.

unit

• Adjust picture controls.

 

• Check for broken pin of the antenna cable.

 

 

No sound or poor sound

• Adjust volume control on remote control or main unit.

 

• Press [MUTE] to restore sound.

Bars on screen

• If outside antenna is being used, check for broken wire.

 

• Check for local interference.

Picture distorted or blurred

• Try a new channel, if OK, then possible station trouble.

 

• If outside antenna is being used, check for broken wire.

Picture rolls vertically

• Try a new channel, if OK, then possible station trouble.

Lines or streaks in picture

• If outside antenna is being used, check for broken wire.

 

• Check for local interference.

No color

• Try a new channel, if OK, then possible station trouble.

 

• Is antenna connected to jack on the back of the set?

 

• If outside antenna is being used, check for broken wire.

 

• Adjust “COLOR” control.

Poor reception on some channels

• Try a new channel, if OK, then possible station trouble.

Ghosts in picture

• Is antenna connected to jack on the back of the set?

 

• If outside antenna is being used, check for broken wire.

 

• Check for local interference.

Weak picture

• Try a new channel, if OK, then possible station trouble.

 

• Is antenna connected to jack on the back of the set?

 

• If outside antenna is being used, check for broken wire.

 

• Adjust “CONTRAST” & “BRIGHTNESS” control.

 

 

EN

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Sylvania 6620LDT owner manual Troubleshooting Guide, Adjust Contrast & Brightness control