Question about Toshiba 57H81 57" Rear Projection Television
Toshiba 57H81 is 5 yrs old. Have checked around on the internet, but can't find help. I've purchased a service manual, but it isn't much help. I can't get service tech to come to my home. Any advice?
Unstable picture, wavy, jittery, and loss of sync are a symptom of bad capacitors in the hyper module. The problem is worse when the set is cold, but when warm the sympton gets less or goes away. In the latter stages the problem never gets better even after the set has been on for hours. There are about 6 surface mounted caps (10mf/16) inside the shielded Hyper module. The module is vertically mounted behind the jack panel and can be unplugged from its socket after unsoldering the 4 anchor tabs on the bottom side of the PCB. This type of repair should be made by a qualified technician do to the complexity of chassis removal and expert soldering skills.
Posted on Nov 25, 2007
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Posted on Jan 02, 2017
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Bounce horizontally usually means up and down,which relates
to the vertical output IC. Solder IC301, IC401 pin connects==try
again.You can easily isolate "bounce" problems by lightly
tapping on the vertical IC heatsink....Let me know if you need
PS. Though hard to find, a qualified tech could do that repair
in home for 300. to 400.00...
Oct 20, 2007 | Toshiba 57H81 57" Rear Projection...
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