Question about Samsung Pn50a450 Pn50a450p1dxza 50" 720p Hd Plasma For Repair Or Parts

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Samsung PN50A450P1DXZA won't turn on. Black screen backlit when power button pushed, menu won't come up; sound is fine, but no pic.

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6ya6ya
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Posted on Jan 02, 2017

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  • 192 Answers

SOURCE: Samsung sp-p4231

This is how I approach this problem: I check for menu appearing on the screen: If it has menu, I look at connections. If it does not have menu then I check voltages from the power supply. I check for the following voltages. VSCAN, VS, VE, VSET and VA. If only one voltage is there, then, the PCB that needs to be replaced is normally the SMPS and/or the Logic. If all the voltages are there, the Digital PCB should be replaced. If it is missing one voltage, I disconnect the Y Main and X Main from the power supply and check if the voltage reappears. This symptom is normally caused by one of these two boards having a short on the missing voltage line. The defective PCB and/or the Power Supply (SMPS) need to be replaced. If you are in need of a technician, contact Samsung at: 1-800-SAMSUNG If you have any other questions, reply to this post and I will respond.

Posted on Sep 23, 2007

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SOURCE: Samsung Plasma 50" No Picture but have sound

BAD Y BOARD

Posted on Jun 08, 2009

  • 19 Answers

SOURCE: I HAVE A SAMSUNG LN46A550P3FXZA

There are many tips already on how to replace the capacitors in these units. In your case it will probably be CM852 and CM853 on the Power supply board. They should say 1000uF at 10Volts on both.

Posted on Oct 12, 2010

SOURCE: I have a samsung ln40a530 tv that was working

this looks like a defective capaciter problem take your tv to a samsung service center and they will repaire it for free

Posted on Oct 26, 2010

  • 1 Answer

SOURCE: samsung 50

I have the same problem. No video just audio.
No on screen display visible either (volume, channel labels) nothing.

Samsung tried to repair this under warranty TWICE within 2 months. Second time they replaced circuit board and it worked for another 8 months. So I paid $1.500 for a TV that died again after 1,5 year - this is ridiculous.

I have no idea what the reason might be and I wont try to fix this since samsung tech could not fix it without replacing circuit board.

Posted on Nov 16, 2010

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Samsung Model PN50A450P1DXZA


hi this sound like a capacitor could have blown or bulged up could you put up a picture of the power board i'll take a look for you

regards
shaun

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We have LCD 550 Samsung Model# LN32A550P3F bought it 5/5/2008 has worked great until last night it turns on led backlite comes on the melody plays red lite flashes and screen is black we brought another tv...


Don't waste any time on this. Being only 4 months old, it should still be under warranty. Request warranty service or exchange. The power supply module has a problem or the main processing board is telling the power supply to shutdown. In either case, a board change is necessary and should be covered.

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That model is covered under a class actions lawsuit settlement over bad power supply boards. You need to contact Samsung about this and get a warranty claim started, even if the original warranty is over the settlement terms will cover parts and labor. You can get additional information about this along with contact information here: http://www.ccl-la.com/blog/index.php/samsung-has-reached-a-settlement-in-class-action-lawsuit-over-faulty-tv-power-supplies/

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Visit the site named 'Electro-help' for more details. Check this link and select the site named above. View it in 'Flip card' option, which can be selected from the drop down box menu by the [Sidebar] tag, at the left top left corner of the display window. It will make search easy. Some times, the ads attached with each posts both at the right and bottom, might help you to find the availability of spare parts. There are more than 640 posts to different brand TVs now. Will be updated daily. Faults to Samaung Plasma TVs are given in detail.

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I can view the pics i take clearly but when i switch modes to take a pic the screen is black and i hear a clicking sound.. olympusfe-220


I beleive your Memory Card is the problem. Take it out and leave it out when turning it on and see what it does. Mine was doing the same thing untill I did the above and it took a picture with internal memory just fine. If it works, then you need to format the memory card using your camera setup menu. When you turn the camera on with memory card installed quickly push the green play button and it should stay on for you to see the menu.

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