Zenith Z56DC1D Installation And Operating Manual, Warranty page 43

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T
roubleshooting Checklist
T
roubleshooting Checklist
No output from one of
the speakers
Unusual sound from
inside the TV
Poor TV input
signal
Poor Video
signal
No channel or a few
channel
Unsuitable
Aspect Ratio
• Adjust
Balance
in the
AUDIO
• A change in ambient humidity or temperature may result in the unit turning off
and does not indicate a fault with the TV.
• Check ANTENNA and CABLE connection.
• Check ANTENNA and CABLE connection.
• Start EZ Scan.
• You can adjust the RATIO button or
menu. (Refer to p.25)
Aspect Ratio
in the
OPTION
menu.
Owner's Manual 43

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