Question about Toshiba 36HF72 36" TV
I have a Toshiba 36HF72 that when turned on for about the first 5 minutes has a horizontal flashing/jumping/jittering that "tiles" or scrambles the picture. After it warms up the picture has slight vertical (up & down not side to side) wavy lines throughout the picture but mainly noticable at the top. The picture continues to flash every once in awhile (especially when the vcr is playing). The horizontal & verticle deflection sections have been resoldered as well as the power supply section. Freeze spray has no effect on the board after warm up. Tapping, shaking, or flexing the board has no effect nor does probing with a plastic stick. The problem seems to be gradually getting worse. Any suggestions would be greatly appreciated, Thanks :-)
I had the same problem and followed the instructions from Jack and my 57h81 is bak up and running. Thanks Jack. RonD
Posted on Oct 09, 2007
How are you able to get underneath the main board so that you can detach the main part of the silver "box" from the board so that you can unplug the module? this is where i'm stuck. also, the solution lists number cx241 twice but counts it toward the total of 11 caps to replace, can anyone confirm this?
Posted on Apr 29, 2010
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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...
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