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Re: screen blanks out
A digitalizing picture is most likly a bad connection on a screen driver cable or the driver itself is intermittant or the power supply has an intermittant filter on the substain B+ line. hope this hellps.
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Tries tv and those pay boxes unplug,replug it back like about an hour later.For the tv resetting itself back to factory setting and those pay boxes reboot and upgrading it software.The tv now should be working again.
Try a hard restart, which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. This technique reprograms the electronics, to a certain extent. If things do not improve after you replug it, then your TV has a more serious problem, that requires the attention of a repairman.
Reset the cable/sat box and tv by turning them off, unplugging them both from the wall outlet, and replugging them after 30 seconds. See if you get pictue back when they get the correct handshake. also, make sure that there are no loose cables going into the TV or into the cable/sat box. You can try using a different type of connecting cord from the cable/sat box to the tv to make sure it is not a bad connecting cord.
What type of cable is connecting your cable/sat box to the TV? Is it HDMI?
I have a 42" LG LCD TV and just experienced this today. Watching cable,
then the screen went to black, but audio continued. I pressed the guide
button on my remote and pic came on with my guide menu. But then went
to black again 10sec later and has remained that way for nearly an
hour. Tried switching off both cable box and TV, disconnecting and
reconnecting cables, but no luck. Finally unplugged mains, waited a
minute, then turned back on. Everything seems normal now after the