Question about Sanyo HT30744 TV
Open it up and check to see it the circuit board attached to the tube is seated all the way down. Both of mine were not attached that well so I pushed them back down and have not had any problems since.
Posted on Mar 03, 2009
Open it up (remove the 8 or 10 screws) and clean the dust (by compressed air or vacuum cleaner hose) off the circuit board. It fixed mine like a charm! A dust buildup creates a short across the closely spaced circuits and disrupts your picture. You may need to do this every few years, especially in dusty environments. Works for computer motherboards and power supplies too! You have nothing to lose, and it's very easy. Just be gentle with the circuit board.
Posted on Feb 12, 2011
It's a known problem covered by Sanyo, even out of warranty sets... call them
Posted on Feb 06, 2008
Junk it got it two years ago and did same thing won't repair the red bulb is going out
Posted on Nov 19, 2007
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