Question about Toshiba 55H70 55" Rear Projection Television

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Toshiba 55" TheaterWide TV powers on, then loses image

The TV will power on, and hold a steady image for a few minutes, then at random times a colour will fade, and at many times only small slivers of the images are available. Anybody know why this would happen and how to fix it? If a repairman is needed a quote would be nice, so im not getting ripped off.

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Normal repairs are 200-400 dollars service calls are75-150 depending on area and should go towards estimate but not refundable. It sounds like a problem that a tech should see first.

Posted on Apr 12, 2009

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Posted on Jan 02, 2017

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If the light is on a steady red, thats an indication that the lamp is bad, or the lamp circuit is bad. If you replace the lamp, and the set still does not come on, this is going to be a tough one if you are trying to trouble shoot it without a manual. You can get a manual here http://www.servicemanuals.net/results.aspx?type=SM&brand=0&model=62HM94e Start with the power supply, and see if the regulator is working. If so move on to the lamp ballast circuit. If you need an owners manual, you can get one from here http://www.tacp.toshiba.com/tacpassets-images/models/62HM94/docs/62HM94_om_e_rev1.pdf Good Luck

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I have a toshiba 52hm84 green light blinks 10 but the red lights steady i change the lamp still same.no picture


Hello,

Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

I hope this will help in solving the problem.....

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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.

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52-52 HM84 there is sound no picture there is flashing green light and steady red light. Television shuts down after a few minutes. Thanks Felipe philnedy@yahoo.com


Seems like you might have a bad CAP " capcitor in your powers supply unit. How you can tell this? Opening up the unit and do a HI POT test on your power supply unit and check for faults. You have to be qualified to check this and know what your doing otherwise you could recieve a nice jolt and pay a few hundred for a EMS to revive your heart. So leave this one to the experts if you do not know the logistics of this issue. Assuming your asking me a repair tech would consitute you do not know whats going on seek qualified help.

1. replace powersupply unit
or
2. Rebuild power supply by replacing the caps inside that have tested bad.


Good luck to you on whatever your situation may be but as always Thanks for asking me first!!!

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

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Badge #7067 is giving you a load of bunk. I have had one for 8 months and the only time I have reprogrammed it was when all TV was to go digital. Even when our power goes out the converter remains programmed.

I would keep calling back. Chances of getting the same guy is slim. Insist on a replacement.

You can also go online at http://www.funai-corp.com

Wayne

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I have red power light blinking,tv wont turn on


I'm not sure of a Toshiba TV but my Phillips and a friend of mine's Mitsubishi TV do this very same thing when the system has detected a voltage spike. Usually this is caused by static discharge (let me guess you have carpeting). Unplug the unit and hold the power button for 10 seconds and leave it unplugged for 5 minutes. Then plug her back in and give it a whirl.

Give us an update.

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No image


sounds like the power supply has gone down poss. one of the electrolytic capacitors. common problem if the lampunit does not work

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