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post #1 of 44 Old 07-29-2014, 09:32 AM - Thread Starter
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LG 60" Plasma flickering/changing colors in splotches

My 3 year old LG 60" plasma tv (60PV250-UB.AUSZLUR) started having some issues in the middle to top part of the screen where the colors are shifting to different colors. Especially in white and light areas. If the screen goes white, there are basically clouds of area that are green or purple. They will stay there, then go away for a second, and come right back. It is especially bad when peoples faces are on the screen. Oddly enough, usually after about 4+ hours of continuous use, it stops. But if you turn off the tv, and turn it right back on, the problem is back. This happens on all inputs, with a computer hooked up, ps3, etc. It also happens when the TV's main menu is up. Thoughts?
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post #2 of 44 Old 07-29-2014, 01:02 PM
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Quote:
Originally Posted by scottymcp View Post
My 3 year old LG 60" plasma tv (60PV250-UB.AUSZLUR) started having some issues in the middle to top part of the screen where the colors are shifting to different colors. Especially in white and light areas. If the screen goes white, there are basically clouds of area that are green or purple. They will stay there, then go away for a second, and come right back. It is especially bad when peoples faces are on the screen. Oddly enough, usually after about 4+ hours of continuous use, it stops. But if you turn off the tv, and turn it right back on, the problem is back. This happens on all inputs, with a computer hooked up, ps3, etc. It also happens when the TV's main menu is up. Thoughts?
This is a common issue on these sets. It is caused by some cold solder joints under the ER coils on the Z-sustain or Y-sustain. If you have access to a soldering iron and some leaded solder (lead-free can work but is more difficult to use) then you can repair it.
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post #3 of 44 Old 07-29-2014, 01:14 PM
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Quote:
Originally Posted by scottymcp View Post
My 3 year old LG 60" plasma tv (60PV250-UB.AUSZLUR) started having some issues in the middle to top part of the screen where the colors are shifting to different colors. Especially in white and light areas. If the screen goes white, there are basically clouds of area that are green or purple. They will stay there, then go away for a second, and come right back. It is especially bad when peoples faces are on the screen. Oddly enough, usually after about 4+ hours of continuous use, it stops. But if you turn off the tv, and turn it right back on, the problem is back. This happens on all inputs, with a computer hooked up, ps3, etc. It also happens when the TV's main menu is up. Thoughts?

From the picture , it looks like what my now 2yr old PA6500 problem was/had , which I called "dancing purple/pinks" ; and seemed to pop up sporadically but mostly in light colored areas . This problem showed up just before my 1yr warranty expired so it was covered . LG first replaced the main processor board ... problem still persisted . LG then replaced the screen and two more of the boards to finally fix the problem .

I miss my old Altec 1590 monoblocks ....
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post #4 of 44 Old 07-30-2014, 07:28 AM - Thread Starter
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If I pop open the back, are you saying I will notice loose solder joints on the Z and Y, or are you saying I would need to resolder all the joints?
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post #5 of 44 Old 07-30-2014, 10:12 AM
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Quote:
Originally Posted by scottymcp View Post
If I pop open the back, are you saying I will notice loose solder joints on the Z and Y, or are you saying I would need to resolder all the joints?
Once you remove the Y-sustain and Z-sustain the cracked joints will usually be obvious. If you post a picture of the sustain boards I can highlight the coils of interest which would narrow down your search.
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post #6 of 44 Old 07-30-2014, 01:44 PM
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My LG 60PV250 started doing the same thing this year, it's gotten really annoying. I haven't taken the back off of my set, but I've attached some photos of the sustain boards from ShopJimmy.com. Thanks for any help tom669.
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post #7 of 44 Old 07-30-2014, 11:27 PM
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Quote:
Originally Posted by donebu View Post
My LG 60PV250 started doing the same thing this year, it's gotten really annoying. I haven't taken the back off of my set, but I've attached some photos of the sustain boards from ShopJimmy.com. Thanks for any help tom669.
OK in your case the coils are between the silver and black heatsink on the Y-sustain and Z-sustain. The three coils in a row. The solder joints under them can crack.
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post #8 of 44 Old 07-31-2014, 11:43 AM
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Quote:
Originally Posted by tom669 View Post
OK in your case the coils are between the silver and black heatsink on the Y-sustain and Z-sustain. The three coils in a row. The solder joints under them can crack.
Thanks for your help tom669, I'll have to practice my soldering on some junk circuit boards before I work up the nerve to try to repair my LG TV, but at least now I know what to look for.

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post #9 of 44 Old 08-01-2014, 05:47 AM - Thread Starter
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Can anyone tell me how long it would take unplugged for the capacitors to lose their charge? Or would I need to use a plasma discharge tool?
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post #10 of 44 Old 09-09-2014, 12:12 PM
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This is exactly what my 60" LG plasma is now doing, it's also really hot to the touch! On a whim, emailed LG early this morn & cust svc wrote back req'ing all my info serial # date of purchase to do a out of warranty repair! Hope they come through as I'm not comfortable taking the back off much less using a solder iron lol.

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post #11 of 44 Old 09-09-2014, 04:02 PM
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LG declined to do an out of warranty fix, too far oow. Now the search begins for a new tv! Anybody want a slightly used tv with some ghosting lollol???

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post #12 of 44 Old 09-30-2014, 08:14 AM
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Hey I have the 60PV450 and just started having the same problem. I'm pretty mechanically inclined but have never soldered before. Would you recommend I call in a tv repair service to resolder or just buy new xsus an ysus panels and install them myself? Would I have to replace both of those or is just one the culprit for the purple haze?
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post #13 of 44 Old 10-01-2014, 02:25 PM
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Just Curious

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Originally Posted by tom669 View Post
OK in your case the coils are between the silver and black heatsink on the Y-sustain and Z-sustain. The three coils in a row. The solder joints under them can crack.
Any idea if the y or x sus seem to be causing these problems? Or both? Also will tweaking any of the pots help eliminate it at all?
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post #14 of 44 Old 10-08-2014, 05:20 AM
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Personally, I'd like to see in the near future someone filing a Class Action Lawsuit against LG for their obvious defects on these models. badcaps dot net has numerous threads about this plasma model for those trying to do their own repairs. Works for most from what I read, but I'm still not inclined to do surgery on a tv that isn't 4 years old & calling a tv repairman prob isn't worth it as I'm in a rural area & they'd have to travel etc. Just don't think putting another ~$400 into this tv would be worth it. Otoh, gives me something to look forward to on Black Friday Ha!

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post #15 of 44 Old 10-08-2014, 08:58 AM
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The soldered coils on the back of the X sus board were cracked just like Tom said. I took it to the local tv repair shop and paid the $15 to have them resoldered and works like new. No purple/green haze on light colors anymore and super good picture. Thanks Tom.
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post #16 of 44 Old 12-24-2014, 09:58 PM
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Thank you all for this thread on how to solve the Plasma tv from flickering and wierd colors splotches.

i was about to give in to having to buy an LCD TV not that they are bad but i do love my 60" LG Plasma TV it is about 2 years old now and for the past week it started this wierd colored splotches and slowly got worse as the week went by.

I was not and will not send in any of my electronics to get them fixed for me i always lose money and time and in most cases with me the fix is short lived.

So my options was ether to fix it my self or buy new.

Thanks to tom669 and every one on this thread for the info i did the fix my self and my (( Vision of god )) is back to working like new again and so i can go back to worshiping my Tv.

The photo of the TV on the bed shows it open and the Board to the top right is the one that had the COILS with broken solder.


Also a few before and after photos of my handy work before you can see the broken solder on two of the three COILS. and after you can see my work of the new solder at least it wont brake again in the same place.


Thank you all fore sharing this info.
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post #17 of 44 Old 01-24-2015, 05:55 AM
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Quote:
Originally Posted by ponchera View Post
Thank you all for this thread on how to solve the Plasma tv from flickering and wierd colors splotches.

i was about to give in to having to buy an LCD TV not that they are bad but i do love my 60" LG Plasma TV it is about 2 years old now and for the past week it started this wierd colored splotches and slowly got worse as the week went by.

I was not and will not send in any of my electronics to get them fixed for me i always lose money and time and in most cases with me the fix is short lived.

So my options was ether to fix it my self or buy new.

Thanks to tom669 and every one on this thread for the info i did the fix my self and my (( Vision of god )) is back to working like new again and so i can go back to worshiping my Tv.

The photo of the TV on the bed shows it open and the Board to the top right is the one that had the COILS with broken solder.


Also a few before and after photos of my handy work before you can see the broken solder on two of the three COILS. and after you can see my work of the new solder at least it wont brake again in the same place.


Thank you all fore sharing this info.
Well I too can be added to this esteemed list of owners!. I can solder and just wanted to ask about the photos above. The BEFORE. Is the broken welds those spikes sticking up in the pics? The AFTER: Is it okay that the spikes are now soldered to those nearby diagonal solder pads?

Hope I'm able to fix mine!> Just started yesterday and its horrible!.

Or!. Should I tell the wife HHGreg has a 65in Toshiba 240hz SmartTV on sale?
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post #18 of 44 Old 01-24-2015, 10:18 AM
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Thank you everyone for posting this information. I just successfully repaired the solder joints on both boards. The board on the right side when standing behind the TV had the most obvious broken solders and the board on the far left looked ok but seemed like it wouldn't be long before they would break so I re-soldered those as well.

My glorious Picture is back!.

Thanks everyone!
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post #19 of 44 Old 02-25-2015, 11:13 PM
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THIS EXACT SAME ISSUE STARTED HAPPENING ON MY 60PZ750-UG Plasma THIS WEEK! We've had it since 2011 NEVER Had a problem and now ALL OF A SUDDEN! THIS?

Thankfully with the tips left by everyone on this Dreaded and feared LG 60 Color Splotches, I too should be able to fix...

I only have one question though... Based of a previously shared sustain board "AFTER REPAIR" picture from, is the following attached picture the correct Solder points MARKED WITH A RED ARROWS we're looking for and correctly re-solder?

Please ADVISE?
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post #20 of 44 Old 02-28-2015, 09:33 AM
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I just did this fix on my 60" LG Plasma today. Funny that I had my TV since 2011 also and it just started having this issue. That soldering job in the picture is quite sloppy. There is no need to have all that solder on one joint with it touching the other pads. Try to keep the solder localized to the one joint and it will work just fine.

Quote:
Originally Posted by RegGFX View Post
THIS EXACT SAME ISSUE STARTED HAPPENING ON MY 60PZ750-UG Plasma THIS WEEK! We've had it since 2011 NEVER Had a problem and now ALL OF A SUDDEN! THIS?

Thankfully with the tips left by everyone on this Dreaded and feared LG 60 Color Splotches, I too should be able to fix...

I only have one question though... Based of a previously shared sustain board "AFTER REPAIR" picture from, is the following attached picture the correct Solder points MARKED WITH A RED ARROWS we're looking for and correctly re-solder?

Please ADVISE?
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post #21 of 44 Old 04-01-2015, 03:58 PM
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I purchased my 60PV250 from HN back in May 2011. Luckily I purchased Product care repair.
On 22nd of Feb this year the panel finally went completely black after a week of viewing the splotchy red/green upper and lower screen. The screen and, I assume, the y and/or z sustain boards were all replaced, on the 1st April. The picture actually looks better than the original screen, with next no banding in shadows now. I was sort of hoping for a replacement TV but I'm still happy to have my LG back in action. TELEFIX Adelaide did the repair.
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post #22 of 44 Old 05-28-2015, 07:15 PM
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Thanks to all who posted on this issue. I had exactly the distortion that everybody else had and I was at first
a little reluctant to tear apart my tv, but with all the assurances from everyone, I gave it a try and whalla I found
two cracked solder joints and re soldered them as instructed above. It solved my problem and saved me time and
money. I couldn't believe how easy it was. I even called LG as my set is only 3 years old and they refused to
do anything, no extended warranty, unless I paid an up front fee of $190 and then parts and labor for whatever
they found. So thanks for the savings.
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post #23 of 44 Old 06-10-2015, 11:16 AM
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I was having the same issue with the color banding but hadn't gotten around to fixing it. Yesterday, my LG made a bit of a pop noise and now won't display any picture at all.

I'm thinking maybe one of the caps popped but could just the bad solder joints on the junctions cause a complete loss of picture?

I really want to save this TV as I love the picture and they don't seem to really make many plasmas anymore.
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post #24 of 44 Old 07-11-2015, 01:31 PM
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You changed my life. This forum was so thorough and exactly what I needed to tackle the intimidating job of soldering a circuit board. Thank you thank you thank you for giving me the insight to what was wrong with my LG 60PV450. I sought professional help at first...they told me I should just buy a new tv. They were not willing to try. Then I removed the ZSUS and took it to a "television repair man" to have him solder the joints you suggested, and he told me there was a $60min on his board repairs. And he said that might not fix it. So I went down to Autozone and bought a $6.92 soldering tool and a $2.95 coil of leaded solder. Did the job and whalla! Picture is just like the day I bought it!! Thank you...thank you...thank you!!!
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post #25 of 44 Old 08-16-2015, 12:27 PM
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This fix worked perfectly for me as well, just be careful disconnecting the wiring. I don't fix electronics very often so i'm unfamilair with the connectors. The one wiring harness is pretty straight forward, just lift the tab and gentley pull it out. The second one was tricky (it's a thin white assembly) the brown tab pulls up (that's why it's taped down), not out and doesn't come off. (unless you force it like i did) And the 3 connectors on the side attached to the screen just pry the boards apart with a large screwdriver gently. Make sure to use electrical solder, not plumbing solder (different flux i'm told) when you resolder. My joints all looked good, maybe a little undercut but i did themanyway and shazam, i'm a hero because i don't have to spend $$$ on a 2yr old tv. you guys ROCK!, Thanks very much.
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post #26 of 44 Old 08-23-2015, 02:50 AM
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I also have an LG plasma with the dreaded flicker problem. My model is 60PV400, time to try to fix it.
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post #27 of 44 Old 08-23-2015, 03:22 PM
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Hi All!

I just want to let You all know that the fix mentioned in this thread works for LG 50PS8000 as well.

First of all a big "thank you" to Tom669 for sharing his wisdom on plasma TV's.
Also thanks for all the advices, pictures and feedback in general in this thread. It was all very helpful, and helped me to fix my TV

I've been a happy owner of a LG 50PS8000 TV since 2009.
An amazing TV, but a year ago or so it started to develop the problems that are mentioned in the thread.
At first it was just barely noticeable, but it was getting worse over time. The last couple of month my TV picture looked like the picture attached by "scottymcp".
Last week I was about to throw it away and buy a new TV.

Luckily I found this thread just in time.

I attached some pictures I took under the repair.
Hopefully they could be useful.

I didn't see any visual errors with the soldering. No cracks at all.
I gave a fresh layer of soldering on the joints of the 5 coils on both YSUS and ZSUS (see the pictures)
(I know I did a bad soldering job, but it worked )

The result is amazing, my old TV is as good as new!!!!

Once again thank you all so much.

Best Regards

From a very happy PlasmaTV fixer
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post #28 of 44 Old 08-31-2015, 02:38 AM
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TV not turning on

So i had the same issue, but my electrical skills are not very good so ive been putting off paying someone to look at till i get a job again because i decided to be a student again. Anyway, i have the 60PV250 model and its being doing the colour thing but also started making a high freq buzzing sound and was alright for a while now then it just turned off one day. the red standby light is on and when i turn in on it starts up but straight away goes back to standby. Does anyone know if this can be fixed in a similar way to fix the colour issue ? Or is it gameover
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post #29 of 44 Old 09-16-2015, 11:47 AM
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Quote:
Originally Posted by longwa View Post
I was having the same issue with the color banding but hadn't gotten around to fixing it. Yesterday, my LG made a bit of a pop noise and now won't display any picture at all.

I'm thinking maybe one of the caps popped but could just the bad solder joints on the junctions cause a complete loss of picture?

I really want to save this TV as I love the picture and they don't seem to really make many plasmas anymore.


I did the same exact thing, ignored the banding and then my TV popped the other day. I'm wondering if you ever got your TV fixed? Did you fix the cold solder joints? If so did it restore your picture?

Jeff
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post #30 of 44 Old 10-10-2015, 07:56 PM
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Hi,
Thanks for your help! I am ready to do this!
I was wondering what kind of solder to use for this. All I could find on amazon was a combo of Tin/Lead (60-Percent tin and 40-percent lead) solder? Is that good enough? Thanks!
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