Question about Toshiba 42HP83 42 in. HD-Ready Plasma Television

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My plasma has got a sound but no ppcture sn ;42wp46p

My toshiba ty plasma 42wp46p has got a sound but no picture

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Power come on but no picture.
stand by is on and when you switch the button on and not doing anything.

Posted on Jul 15, 2009

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I have a tosh plasma hd66 no picture on sound
chris nctx2@hotmail.com

Posted on Jun 08, 2009

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There is a lot of mis-information out on the web with EVERYONE pointing to power supplies. I was able to fix this EXACT issue (sound but no picture and 2 blink LED error) simply by replacing the Scaler board. Oddly enough, it is one of the easiest boards to get too. Hope this helps others seeking a solution.

Posted on Jan 01, 2012

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Posted on Jan 02, 2017

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1 Answer

What part/board should I replace.


-no picture caused by the Y-Sus deflection circuit
-you will need 1ea. Y-Sus Main
-1ea. Y-Driver upper
-1ea. Y-Driver lower
It is best to change these as a set
Part numbers are dependant on the tvs Product Code which on the back of the unit.

May 26, 2015 | LG Televison & Video

1 Answer

I have a Toshiba 50hp66 that the power light cycles from red to green with a simultaneous clicking of a relay on the power board. I check for power at a few points per the Toshiba service manual and iy is...


Check the fuses on the ysus & zsus boards. Are any fuses on boards open . Disconect power cabels to ysus board first {board on left} . put tv on . if the light is green the ysus board must be replaced.

Mar 28, 2010 | Toshiba TheaterWide 50HP16 50 in. Plasma...

2 Answers

Sound no picture


I have the same problem, did you fix it?

Oct 10, 2008 | Toshiba 42HP83 42 in. HD-Ready Plasma...

1 Answer

42hp84 toshiba plasma


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

Sep 14, 2008 | Toshiba 42HP84 42 in. Plasma HDTV

1 Answer

42" Toshiba Plasma TV no picture or sound


My experience with 42" plasma tv's with no picture or sound was a missing power supply voltage. On the power supply board check voltages on the plug. The voltages should be marked on the board,

Mar 01, 2008 | Toshiba 42WP27 42 in. Plasma Television

2 Answers

Toshiba 42wp46p


just repaired one of these with the same fault. at the bottom of the plasma panel you will see a row of ribbon connectors, on the back of the ribbon connectors are some surface mount components. resolder these components on the offending connector, clean the contacts on the ribbon connector and reconnect. unfortunately getting to the connectors is quite a job, so give yourself plenty of time. if this doesn't cure the fault then the poor connection is on the plasma panel which you cannot repair, the only option then would be to replace the panel.

Oct 30, 2007 | Toshiba 42HP84 42 in. Plasma HDTV

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