Question about Protron PLTV-26 26 in. HD-Ready LCD Television

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No picture on TV

Protron, PLTV-26. Power & source has green light but no picture. Last week it was off & on but eventually I could get it to work. Now Nothing.

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First place to look will be the power supply module, check the 5vdc standby voltage and all other voltages as well.
http://www.shopjimmy.com/catalogsearch/result/?q=Protron+PLTV-26

If you are going to DIY and have proper tools and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Jul 08, 2010

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1 Answer

My pltv 26 plugs in i have turned the switch near the power plug on the standby light comes on but when i push power it turns green for a second or two then shuts off


Sounds like a built in protector kicking in. Something probably has shorted. Try disconnecting the inverter (should look like this: http://marcoselectronics.com/images/48.V1448.001.JPG) to see if you can get the TV to power on without a picture. Be careful - this is a high voltage board.

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faulty poer supply, check for bad caps in the power board, and fix or get a new one

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When I turned on TV, sound was ok, but there's a black screen


Same thing happened to me. I turned TV off. Then turned it back on holding down both On button & Source button & got the picture back. Doesn't fix it for good. But when it happens, I "fix" it the same way. Happened twice in last three weeks, I'd say. Better than junking it for now.

May 10, 2009 | Protron PLTV-26 26 in. HD-Ready LCD...

1 Answer

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Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or not steady, fainting, etc.
2. TV not turning ON properly.
3. TV turns OFF by itself.
4. Needs to be unplug to many times to make it work.
5. Humming or high pitch noise heard through speakers or at the back of the TV.

I repair these power supplies. Write to jah2mil@hotmail.com

Jan 20, 2009 | Protron PLTV-26 26 in. HD-Ready LCD...

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LOOKING FOR A AC ADAPTIR MODEL :090-02180-13

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WHEN I TURN ON MY TV THE LED IS RED THEN GREEN AND GOES BACK TO RED AND NO IMAGE. WHAT COULD IT BE, i ALSO DID A HARD RESET BY REMOVING THE WIRES AS THE TECH HAD SAID AND NOTHING.

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