Question about Toshiba 57H83 57" Rear Projection HDTV
I get sound from all channels. No video. Checked all other inputs and also get sound but no picture.
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Posted on Jan 02, 2017
Sounds like a problem in the deflection circuits either vertical or horizontal. You may also want to check the solder connections in the tuner as they have been known to develop cracks over time. But the prior shrinking tends to say deflection problems.If I can assist you further please let me know.
Posted on Feb 03, 2008
SOURCE: toshiba tv - no picture
Convergence amp ic bad
Or send to ptscorp.com
please mark the post with a fixya
Posted on Mar 14, 2008
This is one of the sets with bad HYPER boards. If it clears up after a while this is your trouble;I just checked a site in LA--the only way to get the board is to go to PTS electronics and send them the original board for repair--part alone is over 200 and is soldered in--a lot of these sets are having this problem.
I know I am not giving you good news but I am pretty sure this is what is wrong with your set--seen dozens of them.
if you think I helped you in some way--give me a vote here I do this for free. IF YOU HAVE QUESTIONS OR NEED MORE HELP contact me by responding to this post.
SD TECH (SAN DIEGO)
Posted on Aug 29, 2009
Have the tuner signal board replaced. HDMI does not use the regular tuner bands, it is bypassed when using hd inputs.
Posted on Oct 24, 2009
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