Question about Samsung DLP HL-P5663W 56" TV

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I have a 55hds69 plasma TV with no picture or stanby light. Have already installed a new power supply which did not fix the problem. What next?

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Posted on Jul 23, 2009

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1 Answer

Hitachi 55" plasma: No picture, no sound


Perhaps the seller forgot to mention the basic power supply problems and who knows what else

Jun 12, 2013 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

55hds69 plasma tv


It sounds like a shutdown circuit is being activated. This is normal in cases where the power supply id drawing excessive current. I would suggest that you get this looked at by a qualified professional. This is because this problem may be in the power supply and the voltages can get dangerous in this section of the TV set.

In any event if this is a power supply problem chances are the technician will just have to replace the power supply.

I hope this helps

Oct 11, 2008 | Hitachi 55HDS69 55 in. Plasma Television

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Hitachi plasma p55t551 screen went blank but still power on n good sound


Any number of issues including power supply to main board are possible------Have you removed power from the set and or a box if used for a while?

Nov 05, 2012 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

Hitachi 55hds69 has sound but no picture


someone has to open and start by testing voltages into and out of the power supply board to rule it in or out.

May 14, 2012 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

I have a 55HDS69 and the red stand-by indicator lamp flashing, No sound and no picture.. Has anyone else had this problem ? Thanks !!


Tries tv unplug,replug it back like about an hour later by letting the tv resetting itself back to the factory setting.The tv now should be working again,if not the tv still have the same problems.Mean the tv power supply board it is the causes and the problems.The tv power supply board that the board where the tv power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for the replacement.

Sep 26, 2011 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

When i turn the power on my 55 inch plasma tv, my screen stay black no picture


If you take the back off you might see a couple of electrolytic caps that might be bulged on the power supply board. The power supply board is getting weak, and if you replace the electrolytic caps that will fix the problem. You can also replace the power supply, and you can check at www.partstore.com for a power supply.

Feb 14, 2011 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

Powers up but picture doesn't appear.


Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

I hope I shed some light on the subject for you.

Jul 08, 2009 | Hitachi Televison & Video

2 Answers

Hitachi 55" Plasma HDTV, 1 yr old, suddenly lost picture and sound, but power light still on.


It sounds like a shutdown circuit is being activated. This is normal in cases where the power supply id drawing excessive current. I would suggest that you get this looked at by a qualified professional. This is because this problem may be in the power supply and the voltages can get dangerous in this section of the TV set.

In any event if this is a power supply problem chances are the technician will just have to replace the power supply. Which should cost from 150-250 dollars.

I hope this helps

Shuttle83

Jul 14, 2008 | Hitachi 55HDS69 55 in. Plasma Television

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