10. Before you request for repair
Phenomena below does not necessarily mean failure with TV set. Please check following
before you request for repair.
Phenomena
Possible Causes
No picture, no sound
No image
No sound
Dark picture
Unclear or unstable image
Improper connection with AC adapter or Care adapter. Use of
unauthorized power supply. TV set is on standby status.
Whether the correct Channel selected. Automatically set up the
Receiving Channel again. Any new place is subject to re-setup
of channels.
Whether the volume is turned to the end or the Sound System is
incorrect. Whether earphone plugged in. Whether ERASE
functions under too weak signal.
Whether brightness and contrast adjusted correctly; Whether
environment temperature is too low.
Whether antenna adjusted correctly;
Maybe too weak signal received at the receiving place.
Whether the antenna is in proper direction;
Maybe received the building or reflected signals nearby.
Superposed image
Maybe under wave interference of automobile motor, train, high
voltage line and neon light.
Snowstorm
Achromatic or flashing color
Whether color adjusted well, whether the decoloration actions
under the Color system with too weak proper signal.
Upside down or lateral inverted
picture
Improperly adjusted Horizontal or Vertical in the remote control.
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