Question about Toshiba 65HDX82 65" Rear Projection HDTV-Ready Television

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Arcing Picture tube

I have the 65HDX82 Toshiba . First problem picture arcing inward out of focus. Tech came fixed convergence.T.V. still did'nt work right tech had to order parts took 2 weeks to get.T.V worked fine about 1 week ,touch focus error plus same bending .Picture is know unviewable. Store where I purchased T.V is saying they wont send tech out no more the problem sounds like arcing picture tube and they dont want to replace it.They ars offering me my 350.00 dollars back.The t.v was better off before they attemped to fix!

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  • dec29 Feb 24, 2008

    The tech already replaced the convergence ic's says they keep burning out.They say thats caused by arching picture tube.

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Get a different tech from a different store to come out, needs to replace convergence ic's good luck
please mark the post with a fixya

Posted on Feb 21, 2008

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1 Answer

The picture on my rear projection tv has an hour glass appearence. Both side of the picture are curved inward towards the center of the screen.


Hi , i will suspect your convergence board is defective you have 2 ic call stk for convergence correction and pin cushion
and some low value resistor and different bad soldering ,all this needs to be replaced and then reajust ,you must have a digital
array button on the front panel button some an automatic set up call majic focus wheres you must be able to realing this but if you dont have this button is probably locate on the convergence board anyway the circuit needs to fix befor any attempt to make any adjustement ,you may need a tech to do it, ic cost about 20 box each theres two on the board and s its an hour jobs about , depend on the tech experience...
hope that will help
regards Alan

Nov 01, 2010 | Toshiba 57H81 57" Rear Projection...

1 Answer

My TV was snapping or arcing then no picture at


Sorry to hear this. What has happened is that CRT coolant has leaked from one or more CRT's down onto the Main bd and or the Power Supply bds and shorted them. You must replaced ALL three CRT's and the shorted Main bd and or the Power Supply boards. Then a Full Convergence Alignment must be done by a very good and experienced tech. Not cheap.

Apr 04, 2010 | Samsung PCL545R 54" Rear Projection...

1 Answer

ARCING AT NECK OF PICTURE TUBE ALONG CONVERGENCE ADJUSTMENT


arcing may be cause of prolonged dusts holds near the anode cap. so you have to clean the area by removing the cap. see also if the cap has been damaged by arcing. if damaged like cracks please change. when you remove the cap you must be aware of high voltage that is stored in the picture tube so you have to discharge it first.

Nov 22, 2009 | Televison & Video

1 Answer

Warped picture Toshiba 65HDX82


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 12, 2008 | Toshiba 65HDX82 65" Rear Projection...

1 Answer

Convergence problem?


The convergence anp ICs are usually what go bad in that unit. They are two ICs both are STK392-040 and they are at board location ICZ103 and IZC103 on the Sub Board attached to large heat sinks. You can get replacements with free installation instructions and free on line tech support at the following link.
http://servicemanuals.vstore.ca/
let me know if you need further assistance.

Apr 10, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Blurred picture with lot of static


This model has a chronic problem with the crt socket arcing and causing this problem. The only true fix is to replace the crt socket locate on the small bd. that plugs on the back of your picture tube. You can however have some success by locating the focus control on the flyback transformer and slighly adjusting it until the unit stops arcing. If you are not familiar with high voltage safety then please have a qualified service tech perform this repair.

Jan 28, 2008 | Emerson EWF2004 20" TV

1 Answer

Picture problem Model Toshiba 61H71


Hi, convergence circuit has failed, IC`s and probably 1 or 2 precision resistors will have to be changed, not really something you can fix if your not an electronics tech, BMW Rider

Jan 09, 2008 | Toshiba 61H71 61" Rear Projection...

1 Answer

Toshiba 57H81


Check all fuses in the power supply and look for any bad connrctions on the PCB. You are probably missing the 130 volt supply to the horizontal circuit. Common reasons are: Shorted horiz output transistor; flyback transformer, picture tube arcing , bad power regulator IC. In short, you need to get a qualified tech for this symptom. Hope this helps.

Oct 29, 2007 | Toshiba 57H81 57" Rear Projection...

2 Answers

Convergence problem?


That board, P/N Bp94-00155a should fix the problem and be fairly easy to replace. Make sure you unplug the TV before starting the repair though. Duh!

Mar 11, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

During dark images on my TV, several green lines are visible across the TV.


You may have an arc in the screen and focus circuits. Water may have gotten into these circuits causing a delayed reaction. (Circuits Corroded). These circuits at least part of them are a part of the high voltage transformer (flyback). Your picture tube socket has spark gaps inside of it too which may be arcing. You need to have it checked by a tech to find out just what is arcing. Stargazer

Mar 11, 2007 | Samsung TX-R2765 TV

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