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Inverter manual we have a samsung smart inverter s-plasma ion when wee turn it on it automatically turns back off with the top and bottom light flashing

Posted by Anonymous on

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Anonymous

  • 84 Answers

SOURCE: Pioneer Elite Plasma TV

This a factory issue and usually requires service. Most cases it is a bad power supply caused by a surge or powering off and on too fast ... sorry I wish I had better news

Posted on Sep 20, 2008

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Anonymous

  • 63 Answers

SOURCE: 42 inch plasma wont turn on

I may have the fix.... Fixed two of my 50 inch plasmas that stopped turning on 1 year after I bought them. They both wouldn't turn on.... LOL Just gave me the black screen of death and a red blinking LED when I tried to turn on. I have pics and step by step instructions. Your time and under 40 bucks is what you'll need. I fixed both my sets for 80 cents. You can fix yours too.... I too got the it would be better to replace it than to have it fixed lie told to me too. I held out to the bitter end. Glad I did....

Posted on Feb 08, 2009

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Anonymous

  • 1 Answer

SOURCE: 50" phillips plasma wont turn on

I'm having the same problem and am about to try this solution. I truly believe this is going to work. I hope this helps!
http://www.youtube.com/watch?v=OsJSzYVUWVA&feature=related

Posted on Jan 01, 2010

Anonymous

  • 11 Answers

SOURCE: sony 42 inch plasma tv standby light just flashes tv

You might have a bad B board. What's worse is that the power switch is connected to the Q board which works in conjunction with the B board. Replace B board, You can send your B board for repair to a company called modus link pts. They are the largest part supplier of after market parts and repair.

Posted on Apr 07, 2010

Anonymous

  • 1 Answer

SOURCE: Problem with Hitachi P50H401 Plasma TV - Will not

I have the same model, P50H401 and it developed the same problem two days ago. This set is 2 1/2 years old in service, being purchased in December 2007. The original manufacture date was October 2007.

The set was turned on and operating at the time and then promptly shut down by itself. The front blue LED power indicator began flashing four times in a loop or cycle.

The flashing LED sequence in this instance points to a problem with one of the following boards: PSU, X-Sus, Y-Sus or SDRs (there are two SDR boards, SDR-U and SDR-D, both are connected off of the Y-Sus board on the left hand side of the frame when rear facing). The set shuts down to prevent further damage to other boards or components.

I could power cycle the set but it would shut down after after a few seconds. Power LED would stay solid, I could hear the PS relays switching, and audio would output through the speakers. Then as the screen was just about to illuminate, the entire set would just shutdown. The blue LED would again go into the 4X flashing sequence.

I could not visually detect any signs of severe component damage on the main PS board. The two large electrolytic capacitors which have been mentioned as problematic in other threads seems fine. The where slightly raised on the top surface, but not blistered or completely blown open.

The only indication of component damage that I could detect visually was on one of the small surface mounted ICs on the SDR-U board.

Through reading other posts on this site, I learned that I was able to remove the suspect SDR-U board and then re-power the set. Doing this proved that the PS, X and Y Sus, and the SDR-D boards where o.k. The PS held, and the lower half of the screen illuminated. (I would only do this for as brief a period as required to determine if the the other boards would function and the screen would illuminate. Do not pro-long operation in this state so as to not cause further damage.)

It was somewhat difficult to locate the correct SDR-U board. My local service rep did not have one in stock, and the Canadian parts distributor was also out of stock. They estimated 10 - 14 business days to order one up from the U.S.A. (Hitachi closed their consumer electronics division in Canada back in 2009.)

By chance, I checked with another service rep in an adjacent town. He had a board for the P55. We did a visual comparison on the two boards and determined that it would be compatable.

The easy part was removing the defective SDR-U board and installing the replacement. The hard part was re-alinging the three ribbon tabs into the respective connectors on the SDR board. Be careful with these ribbons. The other end of each is fused to the plasma panel screen, so if you damage them, your screen is rendered useless.

I initially had the same problems as others have posted with having black or gray lines on the screen when the SDR-U was replaced. After gently adjusting the position of the ribbons as they are seated in the connectors, the lines disappeared. This was a slow and frustrating procedure, but it worked, Be patient.






Posted on Jul 03, 2010

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Picture on smart tv is not turn on but sound it on my samsung tv


. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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SAMSUNG 42" TV screen/picture fades to dark. Only comes back if I press volume control!? First noticed image darkens shortly after turning on the tv, now its constant.


like Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
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1 Answer

I have a dark shadow on the bottom half of the screen. Still can see the picture it is just darker than the top half


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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My Samsung Plasma TV screen doesnt always turn on. Often I have to turn it on and off several times before the picture appears on the screen.


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced

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My Samsung model pn64f8500afxza tuns on and off buy its self it makes a funny noise just before it happens


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Why is top third of screen darker than bottom two-thirds?


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http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

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Back-light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/

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1 Answer

The tv goes to turn on then the green light come up then flashes then the red light comes on then the green agin it does this a few time then turns off at no time is there a picture or sound. thanks


Probably some bad capacitors in the power supply or inverter/RF circuitry for the back-lights.
look for electrolytics with the top bubbled up on them, or bulging plug at the bottom or leaking electrolyte...these caps all need to be replaced.

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