Question about Samsung PN50A450 50 in. Plasma HDTV

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How to do a voltage adjustment on Plasma samsung pn50A540P1d tv

Red snow picture we need to adjust the voltage settings

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 179 Answers

SOURCE: Samsung Plasma TV

from the model number you have a 42" set,,the v_set and v_scan voltages need to be set 15vdc lower..this should take care of it,,if not then the plasma panel is bad

Posted on Dec 01, 2007

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HDTV GURU
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SOURCE: v-scan voltage adjustment

If you adjust v-scan make sure you adjust it for the setting that is marked on the panel when you take the back off. Why do you want to adjust v-scan? are you noticing red pixels firing or green ones? This is a diffusion problem and i am familiar with the fix for that. Let me know and we can go from there. Also what is the version of the HP-R5052? Talk to you soon . Thank you Jay

Posted on Jan 31, 2008

  • 1 Answer

SOURCE: my samsung ws28a116d remote will only adjust the

To reset the remote so that it works properly again, take the batterys out of the remote, then press and hold the power battery for at least 30 seconds to drain out any power left in the hadnset , then replace battterys and it should work again. We had this fault and this solution worked for us

Posted on Sep 26, 2009

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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

info33
  • 72 Answers

SOURCE: Colored "snow" vertical line an inch thick on Samsung plasma

That is the sustain and buffer boards. Try to find a repair shop to repair on the component/board level because the cost of new boards out weighs the replacement cost.

Best Regards,
Beach TV Repair

Posted on Jul 04, 2010

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1 Answer

How do I decrease the vs voltage on my Vizio tv


I take it you have a plasma? There are pots on the power supply board for adjusting VS and VA. Are you wanting to adjust the voltage due to red snow problems???

Jul 23, 2012 | Televison & Video

1 Answer

I have whats called "red


You will need a small philips head screw driver and a Digital Volt Meter for this.

Unplug your set and take the back off
Plug the set back in and turn the set on
Now with your meter find the test point on the power supply that says VS. If you cannot find it, you can measure it at the plug of the board.
Make the sure the voltage matches the sticker that is on the panel. It will say VS. If it does not match, find the VS adjustment pod and adjust the voltage to match the sticker. If the voltage already matches, it is safe to raise 10 to 15 volts. If the picture starts to clear up, you are going the right way, if it gets worse, you need to adjust the other way. If it doesn't change at all, then odds are you have a bad panel.

May 23, 2011 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

I have at 42in Plasma Samsung HPS4253. One day randomly my TV had red pixels all over the place. Anytime the screen goes ''black'' it is now red. When watching TV or movies any shadows or black sections on...


If the picture has red 'staining' all over the picture which is static then the fault is the Xsus pcb. If the picture has random 'sparklies' that change then it may be a case that either the ppower supply Vs voltage has deviated from its set voltage which can be adjusted by a potenitometer on the psu pcb...or if the psu voltages are correct (when compared to the screen label factory voltages) then by tweaking the Ysus trimmers, The fault could be a deviated tolerance on the Ysus.

Apr 23, 2010 | Televison & Video

2 Answers

2005 Samsung Plasma 50'' Model--RED SPARKLES


THE TV HAS DIFFUSION PROBLEM, THE V-SCAN VOLTAGE NEEDS TO BE ADJUSTED, I WOULD GIVE IT BACK

Dec 10, 2008 | Samsung HP-R5072 50 in. Plasma HDTV

1 Answer

Green and red pixel snow


you can adjust the V-scan voltages the adjustor is on the Y-main board, locate the test point and adjust down around 15 volt

Jul 02, 2008 | Samsung HP-R5072 50 in. Plasma HDTV

2 Answers

V-scan voltage adjustment


If you adjust v-scan make sure you adjust it for the setting that is marked on the panel when you take the back off. Why do you want to adjust v-scan? are you noticing red pixels firing or green ones? This is a diffusion problem and i am familiar with the fix for that. Let me know and we can go from there. Also what is the version of the HP-R5052? Talk to you soon . Thank you Jay

Jan 11, 2008 | Samsung HP-R5072 50 in. Plasma HDTV

5 Answers

Red Spots on 42" LG plasma t.v.


The dancing spots can be sorted by you taking the back panel off and adjusting the va and vs adjusting nobs , you will need a multimeter so you you can adjust the voltage to the right settings that are on a sticker on the back of the panel. You must remember to connect the black pointer to the earthed wire to get and the red to the live wire that has va or vs at the end of it. The right voltage measurements will be be found on a sticker at the back of the panel.
I advise you not to touch the setup and setdn nobs as these are factory settings and should not be touched.
If the va and vs do not sought the problem then try the vy and vsc adjusting nobs but only touch those if the va and vs does not fix your problem first.
Once you have done everything right your tv should be better then before with clearer pictures.
I hope this helps and be careful not to get zapped.

May 28, 2007 | LG MZ-42PZ14 42 in. Plasma Television

4 Answers

Samsung plasma PS42D5S


You need to adjust the panel voltages, adjust the VS voltage to around 186 volts, if that doesn't change it then adjust the V-Scan voltage down, turn the unit on and apply a video source to it, and while adjusting the voltages look at the screen and you should be abe to watch the video noise fade out.

Dec 14, 2006 | Samsung PS42P2S 42 in. Plasma Television

1 Answer

Samsung spn4235 plasma tv


The set will need some screen voltages adjusted on the power supply board, the VS voltage is marked on the panel inside the set, find the VS test point and the VS adjustment potentiometer. adjust the voltage down at least 10 volts, if your not an experienced person in electronics, get a person that is, there is a high voltage on that board that is dangerous

Sep 25, 2006 | Samsung SPN4235 42 in. Plasma HDTV

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