Question about Toshiba 50HX81 50" Rear Projection Television

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Hyperboard repair Toshiba TSB

Could you please send me the Toshiba TSB on replacing the capacitors on the hyperboard (squiggly line symptom). I am a semi-retired tech and can handle the job. I just don't know which caps need attention. Your help would be greatly appreciated.

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Best way is to check in circuit with ESR meter........
EDS-88 CapAnalyzer..... www.eds-inc.com .........................

Posted on Mar 28, 2008

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My 57h82 picture has picture noise in form of small jagged/wavy lines at edge of objects - particularly noticable for text or numbers. This appears on all channels and with all input sources. How to fix?


Is a common problem. Your hyperboard has failed. You can get a repair kit from www.TvRepairKits.com or buy a used hyperboard - but it will also fail someday unless it has been repaired with better parts than what the factory supplied.

Dec 22, 2010 | Toshiba 57H82 57" Rear Projection...

1 Answer

The tv has red images, I cannot get the red convergence line vertically to straighten, it is squiggly, the horizontal is straight, and the blue and green lines are both okay


the 43h71 has a pair of convergence ics that commonly go bad and cause this problem. replace original stk392-110 with stk392-120. the upgrades have a collector rated at 4 amps vs the 110's 3 amps and should be more reliable.

also know that they hyperboard in this set can cause squiggly lines throughout but will not affect the convergence.

Jul 06, 2010 | Toshiba 43H71 43" Rear Projection...

1 Answer

How to fix wavey lines on toshiba 57hdx82


when it is cold is when it acts up mostly i have seen them never to crrect themselves until the caps have been replaced

Jan 03, 2010 | Toshiba 57HX81 57" Rear Projection...

2 Answers

Toshiba 57hx81, has a slight squikgly line near the top of screen, colors seemed faded, not bright. i did the convergence adjustment and adjust the colors/focus with front lower right screws..Is there a...


jhinsincity: you dont need to be here, do you? the problem are the caps on the hyperboard, 10 -16v@ 10uf, rear access right hand green board, model 57hx81, the hyperboard must desoldered from main board. read the post on wavy lines,,

Dec 30, 2009 | Toshiba 57HX81 57" Rear Projection...

1 Answer

Toshiba 50H82 with wavy lines at the top when in HD mode


Found this person on eBay who repairs the hyperboard for $75 quickly with very positive feedback.
http://myworld.ebay.com/kcarrigan/
I have the same problem and will probably send mine after the holidays.

Dec 03, 2008 | Toshiba 50H82 50" Rear Projection...

2 Answers

Wavvy lines, wiggy


Dougers, I am next door, in Alberta. I have fixed my hyperboard by replacing the surface mount caps myself in my workshop for a fraction of the cost of a replacement board.
See my other thread for more information.

Oct 23, 2007 | Toshiba 57H82 57" Rear Projection...

1 Answer

Toshiba 50h13 hyperboard


You need part #23148024.  The part is NLA.  I have 1 in stock or you can send yours to PTS electronics 800-844-7871 for rebuild.

Oct 15, 2007 | Toshiba 42H83 42" Rear Projection...

2 Answers

Toshiba 42h81


Hello, one of possible solutions is to replace capacitors (10uF/50V) on HYPER (PD0246) module. Please ask the tech to check/replace them. If you need more info please advice.

Apr 27, 2007 | Toshiba 42H81 42" Rear Projection...

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