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Samsung plasma picture goes out after 5-10 minutes but still has sound. already replaced t-con board but same issue what board should I try next?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: sound no picture, which component is tcon board? where all audio/video/cable/hdmi plug in to?

for bn94-00963b go and change your backlight inverter

Posted on Oct 05, 2008

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Shuttle83
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SOURCE: samsung plasma ppm42s3 , picture wobbling,sometimes screen goes blank

Hello arunaik_6,

This looks as if a component has become thermally sensitive. The best way to find this is to use component cooling spray. It looks as if the problem is localized to the tuner section. Take the back off of the TV and turn the TV on, wait until the problem occurs and lightly spray the tuner section with the component cooling spray watch for any reaction, then if this does not work spray the Microprocessor and the LVDS section and watch for a reaction. The set should go back to normal when it does that section is the problem, try to localize the problem to one component. Then replace that component.

I hope this helps,

Thank you,

Shuttle83
http://www.electron-age-technologies-llc.com

Posted on Dec 16, 2008

  • 111 Answers

SOURCE: Samsung 50in Plasma tv picture issues.

buffer board needs replaced need to replace both

Posted on Feb 04, 2010

  • 6 Answers

SOURCE: HPT5054 50 in. HDTV-Ready Plasma Television: Samsung HPT5054X/XAA - No picture, Sound OK, Have ...

It's not the x main. 90% of the time it's a y buffer that goes out. It's usually the top buffer. 3/4 of the time the buffer takes out the y main board too. You cannot just replace the y-main or buffer because it will just burn out the other within seconds. Also about 1/4 of the time it'll take out the top transformer on the power supply too. The solution? First disconnect the power to the y main board. turn on the television and check the voltages coming off of it. Careful it's high voltage 208V! Remember it's DC too. Then disconnect the buffers from the y main board. You can try powering the y-main up to see if the little LED lights up. This does not indicate it's working though but it'll tell you if it is possible to fix. The fixes for these boards is only for electronics guys. It usually involves replacing 1-3 capacitors and 1-4 FET's. Since a bad buffer can take out a good y main in seconds it's usually recommended that one replace all 3 boards at the same time. It's a $250 fix. How do I know all this? I've now repaired 5 of these televisions. I owned one and spent close to 600 repairing it. I bought misc parts and broken sets online for months before I had 2 different repair guys walk me through the process of repairing them. I had so much cash tied up in parts that I bought 3 more dead sets and repaired them to justify all my spending. I've never had an x board fail. I've had EVERY top buffer fail. I've had all but 1 y-mains fail. and 1 lower buffer fail. I've also had the y buffer fry it's top chip, blow a capacitor and FET on the y-main, and fry the top transformer on the power supply before my eyes. It only took 5 seconds. Replacement of the 3 y boards will almost always fix the sound but no picture problem. Hope this helps!

Posted on May 26, 2010

TV #1
  • 129 Answers

SOURCE: Samsung plasma hpt5054x/xaa California no sound no

If you got no picture replace the buffer boards.

Posted on Mar 20, 2012

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1 Answer

Samsung has standby light, it blinks tone sounds no green light. Replaced t-con, power supply and control boards.


Hi Patrick,

have a close look at your LVDS cable and screen ribbons for signs of failure or heat damage, and you could try to pull a picture from an AV output in various formats to see if it's the screen itself is failing in some way,

regards

George

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I have a Samsung TV model UN50H6350AFXZA which has sound but no picture. Backlights work. Replaced t-con board with new one, but not fixed. What next?


Main board. T con board is only involved with video issues. Main board goes both ways and since you already replaced the T con board that is your only alternative. U got backlite so inverter board is good.

Nov 13, 2015 | Samsung Televison & Video

1 Answer

I have sound but no picture any one know why


U have sound so it could be either the T con board - video only issues or your backlighting (inverter board). If set has slight light in a dark room I would go with the t con board.

Nov 11, 2015 | Samsung 50 in. Plasma TV

1 Answer

Samsung PS-50C91H 50" plasma no picture


If this set has a cable box, satellite box or even a receiver hooked up to it remove power from them and the set for a while and power back to see if a reboot cures this issue.

short of that someone who is willing and knows how to check things is going to have to look inside and test things, repair if not what I have suggested consists of replacing boards which can either fix the set or not and gets expensive.

Dec 06, 2012 | Samsung Televison & Video

1 Answer

10month old samsung plasma sound but no picture


Hello there,
There is just one possible cause of the problem which simply is the t-con board of the television. Have the t-con board replaced and the televisions picture will be restored.
All the best. Elect_Comp

Sep 11, 2011 | Cell Phones

1 Answer

Picture goes dark after about 10 minutes. sound ok


Use a flashlight about 2 in from tv to see if you see a picture, if you have a picture then it's your inverter boards bad, or atleast caps on these boards. If no picture then logic or video board or even con T

Dec 15, 2010 | RCA P42WHD33 42 in. Plasma HDTV

2 Answers

My LCD tv model LN46A650A1FXZA picture turns green after about being on for 5 minutes. Then is gets fuzzy and green


I have the same issue. TV is ~ 2 yrs old. Ruled-out cable-box & HDMI cables (green present in menu mode with no cables attached).

Screen turns mostly green, with a crappy picture. After a few days, a normal picture just appeared. Today I powered-on, the green screen stuff came up, then a minute later a good picture for about 20 minutes, back to green-stuff for 10 seconds, then good picture.

Did chavez_debi get her issue resolved?

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2 Answers

Samsung 50in Plasma tv picture issues.


buffer board needs replaced need to replace both

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2 Answers

Samsung plasma 42 inchs with sound no picture


Most likely your Y Sustain panel has gone bad. I would have a qualified service center evaluate it to be sure.

Nov 07, 2009 | Samsung PS42P2S 42 in. Plasma Television

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