Question about Toshiba 42HP84 42 in. Plasma HDTV

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42hp84 toshiba plasma

The set turns on and plays great sound but there is no picture only sound
intermittenly picture pops on for few seconds

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  • Anonymous Nov 16, 2008

    same problem, on for 1 sec, off 1 sec, on 1 sec, then stays off, but i hear sound the whole tme!



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One of the fuse proballly broken in Board Z- sus due to short cicuit inside the single IC (STK 795-***) hidden under a single heat sink. This big IC was hard to remove.Be gentle when removing the 2 flexiboard.................Tarogo

Posted on Dec 31, 2010


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I have a Toshiba 42hp84 plasma TV. replaced the y-sus and buffers,the colors are now correct, the splotchyness is gone. the picture is faded. Cannot adjust brightness, sound is great.

Have you checked the Va & Vs voltages to this set has the exact value as it should be? These voltages are adjustable. If any one among it go beyond normal, this kind of fault can occur. Check it. Its adjustment pre-set are at the main power regulator board. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.

Oct 25, 2015 | Toshiba Televison & Video

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Toshiba 42HP84 going dim and faded

Check and replace its back-light inverter board. Contact any service technician. If you wish to get some details, check the site linked here. Surf the site in "MOSAIC" view. It will make surf easy.

Jan 23, 2014 | Toshiba 42HP84 42 in. Plasma HDTV

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There are vertical 1" to 2" black lines that come and go. They are on the top half of the screen only. Also, the TV takes 40 min of flashing before the picture comes on. Our TV is about 5 years old. ...

Yes,This tv have two problems.One is the power supply board have dead capacitors,need it to replaced,the other is the vertical lining board on the bottom near the speakers need all the old lining to resolders.The shop will cost u $ half to repair,it to buy a new tv.

Apr 04, 2010 | Toshiba 42HP84 42 in. Plasma HDTV

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We have a Toshiba 42 HP66 no sound or picture heard a popping noise before this happened

Hi, You need to call a qualified service technician, something burnt or exploded inside probably a capacitor.

These sensitive equipment needs to be plunged into surge protector.
Hope this helps..

Jan 26, 2010 | Toshiba 42HP84 42 in. Plasma HDTV

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Snowy Picture, Toshiba 42HP84 plasma tv

Similar problem with my Toshiba. I was told it was the power supply and that it would cost about $900 to replace parts and labor

Nov 21, 2007 | Toshiba 42HP84 42 in. Plasma HDTV

1 Answer


I gather there is no picture in that portion at all? If it is totally black then you have a addressing issue to the plasma panel itself. Can you post a picture of the issue?

Apr 17, 2007 | Toshiba 42HP84 42 in. Plasma HDTV

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