Zenith Concierge H27C35DT Installation & Operating Manual page 37

Troubleshooting
Some quick and easy tips to resolving problems
SYMPTOMS
Snowy picture and unclear sound.
Multiple images or 'ghost shadows.'
Interference: Sharp lines across
the screen and lousy sound.
Normal picture but no sound.
No picture and unclear sound.
No picture and no sound.
No color, but the sound is O.K.
Picture has a big black box
on it, but the sound is O.K.
Remote control doesn't work.
Menu options can't be
changed or selected.
No picture or sound
when any non-cable source
is selected.
206-3489-O
SOLUTIONS
• Check your antenna connection or location.
• Check your cable input.
• Check to see if the TV/VCR button on your VCR has the TV selected.
• Check your antenna direction and/or location.
• Check your cable input.
• Make sure the cable from the antenna to the Entertainment Machine is
properly connected.
The following may cause image problems or distortion:
Electrical appliances, powerful lights, cars, trucks; computers or
portable phones; medical equipment
• If possible increase the distance between the Entertainment Machine and
the offending appliance. Or turn one of them off.
• Check volume levels.
• Make sure the TV is not Muted.
• Try another channel. The problem may be the broadcast, not your
Entertainment Machine.
• Are the Audio A/V cables properly installed?
• Are the wires for external speakers (if you have external speakers)
properly installed?
• If the audio mode is set to SAP, that channel may not have a SAP program.
• Are you in TV or cable tuning mode, and should be in the other?
• Make sure output channels on all A/V equipment are on the same channel (3 or 4).
• Check that all connections are tight.
• Is the AC power plugged in?
• Check that your AC power outlet works. (Test it by plugging in something
else or try another outlet.)
• Make sure brightness and audio controls are set properly.
• Try another channel. The problem may be with the broadcast.
• Check the color control in the Video menu.
• Try another channel. The problem may be with the broadcast.
• The CC (closed caption) option may be in Text mode. Select Caption 1, or OFF
in the Captions menu.
• Make sure the batteries are fresh and installed properly (see page 10).
• Make sure the batteries are fresh and installed properly (see page 10).
• Try unplugging the TV for a few minutes, then plug it back in.
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