Hyundai PDP511UDVBT Instruction Manual page 99

BEfoRE You REquEst foR REPAiR
Before you request for repair
Phenomena below does not necessarily mean failure with TV set.
Please check following before you request for repair.
Phenomena
No picture, no sound
No image
No sound
Diamonds in picture
No signal
Dark picture
Diamonds in picture or inferior sound during
driving.
Possible causes
Improper connection with AC adapter or Car
adapter. Use of unauthorized power supply.
Power Switch is on OFF position.
Whether antenna adjusted correctly;
Whether the correct Channel or Countryse-
lected. May need to reset or search.
Whether the sound is turned to the end.
Whether earphone plugged in.
Whether press speaker button? Whether
press mute button? Sound system correct set
in ATV mode?
Whether antenna adjusted correctly; Maybe
too weak signal at the receiving place.
Whether the correct Country selected; Maybe
signal too weak.
Adjust Brightness, Contrast correctly
The signal too weak at that place
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otHER