Question about Hitachi 42HDT52 42 in. Plasma HDTV

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Hitachi 42hdt50m plasma no picture but the green light comes on when powered on

Need help on trouble shooting the problem so i can replace the fuses or the board that is causing the issue. have the back off already just not sure where to start.

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 579 Answers

SOURCE: Hitachi 32LD8700 - TV won't turn on although has power

The general problem with LCD type TV's is that the power supply fails. They are very sophisticated designs that are difficult to troubleshoot and generally best to just replace the module, but sometimes there is visible damage in some of the electrolytic capacitors (visibly bulged) and high voltage rated parts can be substituted.
Hope Ya Fix It

Posted on Feb 10, 2008

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SOURCE: Hitachi HD 1080 has blue power light on but no picture

Press the reset button...it's on the bottom to the right (underneath the TV). Same thing happened to me.

Posted on Feb 24, 2008

  • 2 Answers

SOURCE: Hitachi 50" Plasma (P50X01AU), power light comes on but no screen

Hope you already resolve it, if not, here what I went through 1. Try to get a service manual for your model ($10-18) from http://www.service-docs2.com or similar place. 2. Open the back and follow instructions how to remove and test the SDR-D and SDR-U board on the far left (take one off, see if you could see half the picture). Inpsect the chips on those two boards, you might be able to spot the burned out holes (that would be the defected board, seemed to be a known issue for particular models) 3. If it is the board, go to ebay and get the pulled out board replacement ($70-90) I fixed my 50 inch plasma this way

Posted on Jun 12, 2009

  • 1 Answer

SOURCE: intermitten problem with hitachi plasma on power up

well aparently all you do is fish for customers to buy into your sevice!
I DIDNT GET ANY HELP FROM YOU GUYS, TAKE YOUR "FREE" TECH SUPPORT AND SHOVE IT UP YOUR ***!!!!!!!

Posted on Nov 13, 2009

sethdileswar
  • 253 Answers

SOURCE: Hitachi 42PD7200 Plasma TV gone dead

this problem is from smps power supply of your tv circuit, may be power capacitor may be short , power transister may be short pls check some spair of power supply

Posted on Apr 06, 2010

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Hitachi Model 50DX20B No Sound or picture


GOOD question and well asked----Start at the beginning.

if light on main fuse is good---do you hear the power relay click on and off?

These sets for trouble shooting use a number of green and one red LED inside on the board--the red one should be on when power is connected and the others at turn on all should light--if do this with back off look for the Green ones---when set turned on do all light and then go out--look for one that goes out first or last---each is connected to a specific voltage coming out of the power supply---they will lead you to the area where the trouble is---this set is old enough you may be able to find a service manual online.

I have fixed a lot--going to need a volt/ohm meter for any real tests.

I am ready to help if you need it.

Apr 22, 2012 | Hitachi 50DX20B 50" Rear Projection...

2 Answers

My 50 inch plasma hitachi went black while watching it and now all i have is a blue blinking light (3X's then 5 seconds and then again the blue light) no sound, no picture.


Tries to tv unplug,replug an hour later let the tv reset itself.See,if it work.Not the power supply board is dead.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Aug 19, 2010 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

Wont come on and there is a blue light flashing


for more info on this set please check out http://www.hometheatershack.com/forums/hitachi/38229-hitachi-p50h401-led-flashes-3-times.html
if will tell you how to trouble shoot this tv. these tv's are known for two caps in the power supply to go bad and they need replaced then you have to test the sdr buffer boards if they are bad you need replacement boards or you can send them off to be repaired.( Repairing the buffer boards is a lot less then replacing them ) the link for the repair guy is on the page. this guy also sells the repair on ebay but if you contact him directly i beleave the price is lower. just tell him you were send over by home theater shack.

Jun 26, 2010 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

I have no power to my 40 inch panasonic plasma tv. there is no red or green light


hi, no power has to do with your tv,s power supply, the trouble may be as small as a fuse or it may be the power supply needs replacing, this is your best bet, I would check that part first, if you had blinks or lights flashing then your problem would be with the other boards if your attempting to fix this set yourself it is dangerous voltages inside and you will need a service manual for trouble shooting, once you replace the power supply if something else dosent work then you will have flashing lights that will pin point the board affected. hope this helps. happy holidays

Dec 25, 2009 | Panasonic TH-42PWD6UY 42 in. HD-Ready...

1 Answer

LG 50px4dr plasma tv turns off immediately after turning on. There is a red light that comes on rather than a green light.


The problem could come from the power supply at the first suspected one. If you have a knowledge of trouble shooting, open the cover then examine if any caps there look poping up. Use your finger touch on the top of caps you will feel it. If not, check all the fuses there then disconnect all the cables from power sup to other boards, except the main board. Check Va and Vs according to the label attached on the back of panel. If the power sup shut down, replace it with a new one. Hope it helps.

Aug 12, 2009 | LG 50PX4DR 50 in. Plasma TV

1 Answer

My plasma screen wont turn on


THERE IS TOO MUCH TO EXPLAIN ON HOW THE PANEL IS TURNED ON AND THE VARIOUS CAUSES. TAKE IT TO AN AUTHORIZED SERVICER.

Apr 03, 2009 | Hitachi 42HDT50 42 in. HD-Ready Plasma...

3 Answers

42HDS69 plasma Hitachi


My had the same problem, red light on bule led on but no sound or picture ...can any one help??? I appreciate

Apr 09, 2008 | Hitachi 42HDT52 42 in. Plasma HDTV

2 Answers

Plasma wnt stay on


I have had this problem in some models of plasma sets before. In most cases the power supply and main drive boards had to be replaced. In a small number of cases the failure was the screen itself.

In all cases, the cost of the repair was expensive. For the screen failure, the set was scrapped.

Jerry G.

Dec 30, 2007 | Hyundai ImageQuest HP4240 42 in. Plasma...

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