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Samsung plasma tv #pl42b430p2d volume turn up &down itself

Samsung plasma tv model#pl42b430p2d. tv working good in picture. but sound sometime turn it down or up by itself. what happening to it & how to repair it??? thanks!

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Hi the v+ is dirty or just bad maybe every taster

Posted on Nov 26, 2013

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Posted on Jan 02, 2017

stonephoenix
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SOURCE: Samsung Plasma TV have sound but no picture

G'Day!

Unfortunately, what you're describing is a repair issue. You won't be able to address the problem with troubleshooting. There is a part inside the TV that needs to be replaced. If you're under warranty, this will cost you nothing. If you're not under warranty the cost will likely be a minimum of $200 parts and labor. However, be warned that the cost could be considerably higher.


I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.

Please post a comment if you need additional assistance so that I can help you further

Posted on Jul 22, 2009

  • 1 Answer

SOURCE: Sometimes Loses Sound

disconnect the hdmi cable from both ends it resets the sound signal!!!

Posted on May 10, 2010

SOURCE: samsung 50" plasma tv with no picture but has sound.

I just had a similar issue with my 46" Samsung LCD and fixed it myself for $5.11! I realize we have different tvs, but I bet it is the same issue ... crapped out capacitors.

I researched the problem online and most places, like samsung's site, referred me to call a repairman and called for the whole control panel or power supply to be replaced for anywhere between $400-$1000. I was like ... "screw that" ... I refuse to put in a fautly part in the place of a faulty part. So I continued to research.

That's when I stumbled on youtube. There are many how to videos on how to tackle this daunting task. I read that the issue was more than likely faulty capacitors and there is a very easy way to tell if it is in fact the capacitors that are blown. instead of having a flat top, faulty capacitors are crowned or even ruptured! When I opened up my TV I saw 3 blown capacitors!

So I bought 3 new capacitors all with the same uf and higher volts ... I think all three of my capacitors were 1000 uf and 25 volts. I kept the uf the same (recommended) and raised the voltage to 35 volts. It doesn't mean more volts, it just means it COULD handle more volts if it had to (which was the problem those cheap Samsung bastards screwed up on). This is a very common problem with Samsung TVs.

Anyway, I have never soldered before, but I did it. I warmed up the solder on the bad capacitors and removed them them slid thenew ones in and soldered them in and popped everything back together ... and PRESTO .... the damn thing works better than ever!

3 capacitors= $5.11
1 solder gun and solder= about $18
fixing an incredibly intimidating TV by yourself= PRICELESS!


Seriously ... don't be afraid to F up ... check it out on youtube and other place and save yourself a bundle. Source(s): I just fixed my TV!!!!!!!!

Posted on Mar 17, 2011

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I have Samsung 58" Plasma model Pn58a550s1f that turns on and off with green lines and makes loud noises. Eventually fixes itself.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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WHAT COMMON PART / TV Board IS BAD ON SAMSUNG Plasma ... a gamble. it the cost of repair is over 300 just buy a new 50 inch tv for 600.
Samsung 50" Tv Power Supply Boar...$34.00eBaySAMSUNG UN60EH6002FXZA...$23.00TV Parts Guy42% price dropSamsung 50" Pn50c550 Pn50c45...$18.99eBay


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The volume will go to high by itself, and then decide to go all the way down, without touching the remote or the tv volume buttones.


The Samsung brand is the most universal remote compatible tv out there, sounds like either a neighbor or even someone in your own home has a Samsung product that will work on your plasma. for example if someone within range has a Samsung dvd or blue ray player the volume up and down button will work on the Samsung tv also.

May 30, 2011 | Samsung 50 in. Plasma TV

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SAMSUNG PN42A400C2D 2008 model In the past 3 months tv has started turning the volume all the way up & down by itself. Sometimes it stays at the highest level and sometimes it does not. I can...


most probably a leaking electrolytic capacitor in the system control section, or the system Integrated Circuit chip itself needs replacement, have it checked by your friendly neighborhood (qualified) technician. Hope this helps ;-)

Feb 03, 2011 | Samsung PN42A400 42 in. Plasma TV

1 Answer

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Instead of typing model number of your TV (that located on right hand side and on the back of TV) you published here part number of your TV's remote control. LOL.
Anyway... If it is LCD/plasma panel that you talking about - than power supply have bad electrolytic capacitors that have to be replaced. You can recognize 'em by bulged/swollen tops (instead of flat tops of good capacitors).
This repair required soldering skills.

Mar 09, 2010 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Hi, I have a samsung le32r74bdx lcd tv and the volume has just gone to 100 and i can't turn it down?


First, start by unplugging set to try to reset. Then make sure that all settings in audio menu are correct. Also look for stuck volume up button on set and on remote. Sometimes buttons get lodged under surrounding frame. Also try to push volume down button on tv and watch for display on tv to see any change. If when you release button volume increases by itself, remove batteries from remote to eliminate it as cause. If nothing you try works expect to replace main pcb. You can probably price it online with model number. Good luck, Russmann.

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Main logic board $124 fixed mine email me rudog3369@yahoo.com!!!

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