Question about Toshiba 50H82 50" Rear Projection Television

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50h82 red convergence ic replacement

Need the numbers for the replacement ic`s and where to order them.


thanks

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The quick answer is part number 23135090 from tritronicsinc.com or any nearby supplier. However, if the problem is intermittent (or even if it's not), you should be sure to check the solder connections along each end of the black or brown jumper wires near the IC's as they have caused problems in the past. Also, if the symptom you have is with the Red Convergence grid bowed at the top of screen, check Q783 p/n 23205037 as well. Good Luck and have Fun!

Posted on Feb 02, 2008

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4 Answers

Toshiba 50h82 convergence problem?


Need to replace STK392-110 convergence locate these two chips on the left side near the inputs attached to huge heat sinks.


Thanks for using Fixya

Sep 28, 2008 | Toshiba 50H82 50" Rear Projection...

1 Answer

Will a REBUILT PTS PART number pd0637 toshiba hyper, number on part MVPU14 2L20DD work as a hyperboard in a 2002 50h82


Most of these hyperboard are inter changeable.But must Check the 2 STK convergence ICS munbers on the ICS parts have the same printed #---?

Apr 01, 2010 | Toshiba 50H82 50" Rear Projection...

1 Answer

RED HORIZONTAL CONVERGENCE OUT.INSTALLED NEW STK 392 110.SAME PROBLEM


Please check does STK IC getting +22 and -22 volts supply to work properly, check pico fuses that might blew off / open, replace it and check.
Thanks.

Oct 29, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

Hi I have a toshiba 50h82 tv that is 7 years old with a convergence problem with the red and green lines that is going to cost $400 to fix but now that I am thinking about it before the convergence problem...


You are describing 2 different problems. The convergence problem can be fixed by either resoldering the convergence ICs or replacing them. These ICs cost about $25 each and there are 2. I suspect that the $4oo is for replacing the convergence board. This should not be necessary as the board can be fixed. Also, the brightness problem can be dirty CRTs, dirty mirror or faulty coolant fluid on the CRTs. If the picture was good prior to the convergence problem, the set is probably worth the repair if you can get the board fixed. While the board is being repaired, the service shop should be able to tell whether or not the brightness can be adjusted.

Dan

Oct 12, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

50H82 red wavy convergence (stks didn't fix)


If the tin can module you are referring to is the hyper module, it is common to replace all 11 caps because the factory caps ****. Check for bridged solder connections at STK's search the forum at electromaniacs for 50h81 :)

Sep 15, 2009 | Toshiba 57H82 57" Rear Projection...

1 Answer

Toshiba 42wh46p convergence problem


Yes Replace Both STKs also CK all low ohm resistors.

Feb 15, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

Convergence for toshiba 50h82


Either mode is fine...just save your session when done!

Projection sets have two very common problems.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Nov 16, 2008 | Toshiba 50H82 50" Rear Projection...

1 Answer

Convvergence problem w/ Toshiba 50H82


You need to replace following ICs, may be 2 pieces in your tv for convergence problem.
IC, STK392-110T

Toshiba Part Number: 23135090X
Please search on net for availability in part stores

Sep 27, 2008 | Toshiba 50H82 50" Rear Projection...

1 Answer

50h82 red convergence ic replacement


Q783 is a 2SJ512 (FET) with part number 23205037. These are not the easiest to test. If you suspect that it is bad, just replace it. It costs $2.48. I only have a listing for one convergence IC (STK-392-110), but if there are 2, replace the one labeled RVBVGV or just swap the two to see if the convergence shifts from vertical to horizontal.

Keep us posted.
Dan

Apr 17, 2008 | Toshiba 50H82 50" Rear Projection...

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