Question about Toshiba 43H70 43" Rear Projection Television

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I have a tp43h60 tv an it's having some problems going on an off an the red light flashs is this someing i can do to fix the problem

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This may be that the power supply has failed, or there is a short somewhere. Many times, the problems occure in the scan amplifiers and in the power supply.

The set will require shop service to get it working again. Considering the type of set and age, I would be seriously considering a new LCD or Plasma set. Your set may be fairly expensvive to service, and with its age its reliability will be lower.

Jerry G.

Posted on Jun 13, 2008

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I have a Mitsubishi WD-62525 TV the lamp red light started to to flash red so i replaced the lamp did not fix the problem so i replaced the lamp ballast light is still flashing red...can someone please...


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This may sound odd but try moving the remote further from the set. I have seen similar issue with my 42H81.

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Good Day;

I would suspect the convergence IC's, to confirm this unplug the convergence yoke, all three. If TV comes on IC's are bad. Also, check the little green pico fuses. Good Luck, big IRISH.

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what year was your set manufactured. The other site I work for as atech has a vast collection of toshiba service info

Mar 28, 2008 | Toshiba TP43H60 43" Television

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If the set is a TP43H60 like the posting says it is I show it as a CRT based Projection. And this one does not have a lamp in it. So if you could verifiy the model number

Feb 20, 2008 | Toshiba TP43H60 43" Television

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You need to trouble shoot your power supply. There is a toshiba power supply and shutdown circuit troubleshooter available for your model at the following link for 10.99 They will also provide free unlimited assistance after you purchase a manual. They will either mail it or email it. If you'd like it emailed you must return to the site after purchase and click on the contact link and request that they email it along with the info on how to obtain the free support. just provide the email address you want it sent to. Hers the link. http://servicemanuals.vstore.ca/

Dec 31, 2007 | Toshiba TP43H60 43" Television

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No picture, sound and flashing red power light...


Pull off the back pressboard. At the bottom left hand corner is the power cord that attaches to the power supply board. There is a white plug that attaches directly to the power cord. With the TV power off, pull this white plug up to disconnect. Then push it back in. Then plug your TV back in and press the power button on the front of the TV. I just did this and it is working fine.

Sep 16, 2007 | Toshiba TP43H60 43" Television

1 Answer

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I have the same issue with my toshiba 32" circa 2000. I am told that it is a burned out diode of some sort and it is a horrendous repair job.

Aug 27, 2007 | Toshiba TP43H60 43" Television

2 Answers

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You have a bad regulator IC or something in the seweep power supply is blow out. if you can read a schematic, i suggest you get one to troubleshoot the solid state circuits in this TV set. if you do not have any solid state repair experience or no electronic background, play it safe and call in a pro to assist you in the repair of this TV set. Good Luck.

Mar 17, 2007 | Toshiba TP43H60 43" Television

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