Sanyo DS25320 Owner's Manual page 15

Press and hold
Do you hear any sound now?
the Volume
key.
Is the program
you are watching
closed-captioned?
Change Channels.
Did the black box disappear or disappear briefly then reappear?
Be sure to point
Does the remote control work now?
the remote control
at the TV.
Press the RESET key twice
(personalized settings will
be reset to factory defaults).
This is a normal condition during the warm-up and cool down of the plastic cabinet parts.
Yes. Mute function was activated or Volume was turned down.
No. Change Channels.
Do you hear any sound now?
Yes. Problem is with program or signal (station, cable, or satellite reception).
No.
Yes. Set captioning on. Press the Caption key then press the 0 key to display C1.
No. Tune to a channel that is broadcasting a closed-captioned program.
Yes. TV station is broadcasting a Caption text signal without any textual data.
Press the RESET key twice (customized settings will be reset to factory defaults).
To retain customized settings, just turn captioning off (see page 10).
Yes. There may have been an object between the Remote and TV.
No. Replace the batteries or confirm that the batteries are properly installed.
Did the problem go away?
Yes. It may have been the channel scan memory or V-Guide settings.
Adjust antenna direction/alignment.