Question about Toshiba 51H84 51" Rear Projection HDTV-Ready Television

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My Toshiba 51H84 has a pinkish purplish tint to the screen with dark wavy vertical lines. What could the problem be?

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Posted on Jan 02, 2017

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techman
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SOURCE: toshiba 51H84

I would not replace the convergence ic's just yet. first, pull off the CRT sockets off the picture tubes and lay them aside, making sure they are not touching anything. Next disconnect the Plugs off the convergence board, where the STK IC's are. Next see if the set will turn on now with sound. if it does, replace the convergence IC's. If it does not check the sweep power supply and or the main regulator IC and circuit. Good Luck Please do not forget to rate this thread.

Posted on Dec 15, 2006

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yambo
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SOURCE: Samsung HCN653W 65 has wavy vertical lines

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Posted on Oct 27, 2007

SD Tech
  • 14553 Answers

SOURCE: toshiba 50H82 has wavy lines in screen for about

this is a very common problem in a lot of Toshiba sets of this type----bad caps(filter capacitors) on the "Hyper" board---it processes all signals in the set---it will start out where it clears up after warmup and as time goes by it will take longer and longer to clear up----the board is no longer available and the only way to repair is remove the one in the set and send it out for rebuild---most of the time this costs 3-4 hundred parts and labor(not worth doing)

Posted on Aug 07, 2009

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1 Answer

Toshiba hyper module. Vertical lines on screen.


change the 10 or so surface mounted bad filter caps in the Hyper module this set uses--the board is no longer available--it can be sent out for rebuild (not toshiba) but that is rather costly (200+)

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Sony KDL-52WL130 Dark and blurry on left side of screen . Also vertical lines on left side of screen


The TV requires thorough servicing and this might require attention by a qualified service technician.

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1 Answer

Toshiba Model 51h84


The wavy when cold is a issue with a board in the set--Hyper board--the warmup until it begins to work will gradually get longer and longer.

The blue: look at set on a unused video input--if see faint curved blue lines with some blue visable on the screen the blue screen control needs to be adjusted just slightly down until the blue and curved lines are not seen.

May 15, 2012 | Toshiba 51H84 51" Rear Projection...

1 Answer

Wavy virticle lines pink and pirple picture hard to see?


virticle lines left to right and takes a long time to warm up to see picture. clears a bit

Sep 22, 2010 | Toshiba 51H84 51" Rear Projection...

1 Answer

Toshiba Theaterwide HD 51h84


It is your projector tub if you are getting alot of blue in the picture. Those guns are very expensive to replace. I am sorry to tell you that. It would be cheaper set from wal-mart for your kids to play on.

Nov 23, 2009 | Toshiba 51H84 51" Rear Projection...

1 Answer

Switching from HD to Standard screen gets a pinkish/purplish tint in SD only


It is the cable box. Using the HDMI or DVI output on cable boxes is a bad proposition; for some reason the cable box makers have not figured out how to make the HDMI/DVI output work consistently, something that rarely happens with satellite boxes. Use the component output. You will probably not be able to see a difference in picture quality and your problem will disappear. If you liked this solution, please be sure to rate it. Thanks!

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1 Answer

Lines across the screen


the dark lines could be what is called hum bars these are caused by ground differences between cable and your AC ground. check to see if these lines appear using a dvd and removing the cable from the cable box. if the lines disappear then call the cable company and your electricain. in the mean time you can use a plug adaptor that is the 2 prong (ground less) until you can have the problem fixed. but don't use the adaptor as a fix, for your TV is a computer and needs proper grounds.

Apr 14, 2008 | Mitsubishi Diamond WD-65831 65" Projection...

1 Answer

Philips 28PW6515-05 flat screen TV


You have a bad connection on the CRT board thats mounted on the end of the picture tube it sounds like, or the socket on that board that plugs into the TV set is intermittant or has a bad solder connection on it. Good Luck

Mar 27, 2007 | Philips 28PW6506 28" TV

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