Official Samsung LNxxA650 Owner's Thread - Page 785 - AVS Forum | Home Theater Discussions And Reviews
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post #23521 of 23563 Old 02-12-2015, 04:51 PM
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Originally Posted by Itwillneverend View Post
Yes, its time to buy a new tv.
Thanks but no thanks. I got it working again! I took the cover off again and rechecked the connections. One of the ribbon cables was not connected - which is odd since I did check them. Anyway, it's working again, but the red line is still there during the warm-up period, so I think my panel is going bad. I'll milk every last once out of it until that happens or a nice 60" set finally lands at an attractive price point (translation - my wife says yes).
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post #23522 of 23563 Old 02-13-2015, 11:51 AM
 
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Originally Posted by merlot View Post
Thanks but no thanks. I got it working again! I took the cover off again and rechecked the connections. One of the ribbon cables was not connected - which is odd since I did check them. Anyway, it's working again, but the red line is still there during the warm-up period, so I think my panel is going bad. I'll milk every last once out of it until that happens or a nice 60" set finally lands at an attractive price point (translation - my wife says yes).
LIke I said, time for a new set. There are a lot of tv under 2K at 60". Look at online stores.
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post #23523 of 23563 Old 02-13-2015, 09:39 PM
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My 47 has been a champ #knockonwood til now. My landlord was putting up new curtains for me (love them) but accidentally stepped on the cord for the antenna ripping that part out. I'm now trying to figure out how i can get local free over the air tv on it. I have a 2 tuner silicon dust dvr, but no way to get it on the tv atm via hdmi. Maybe I'll just cave and get a i7 mini pc. Dunno yet. Anyway everything else works just fine.

My Summer Motto: "When Nature turns off the damn heat I'll turn off my A/C"
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post #23524 of 23563 Old 03-23-2015, 10:03 PM
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I lost mine 52" last year. Vertical stripes began to appear and would go away after 30 minutes but after some time they stayed full time. I still have my Lnt 5265F and last May bought a UN65H6350.
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post #23525 of 23563 Old 03-23-2015, 10:28 PM
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Mine has been getting those stupid vertical lines on the far left of the screen! But after a while they go away. She turned 8 years old this month! I love it and hope she keeps on ticking!
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post #23526 of 23563 Old 06-17-2015, 07:43 PM
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ln52a650 right side screen flicker

The left side of the screen flickers at startup until I manually warp the right side of the screen....but its really hit and miss, because I don't really know where the pressure should be and stuff.

What causes this, and is there a solution I can apply?

Thank you for any and all help!
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post #23527 of 23563 Old 06-22-2015, 07:51 PM
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Thumbs down Lna950

Quote:
Originally Posted by selahmoment View Post
The left side of the screen flickers at startup until I manually warp the right side of the screen....but its really hit and miss, because I don't really know where the pressure should be and stuff.

What causes this, and is there a solution I can apply?

Thank you for any and all help!
Mine is doing the same thing, guess i'll try to get it fixed if it doesn't cost 1/4 the price of a new tv
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post #23528 of 23563 Old 06-23-2015, 08:46 AM
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Samsung LN32A -- Repairable?

The TV model is Samsung LN32A450C1D, purchased in 2009.

I tried to turn it on and heard a loud pop, and it turned off. I turned the TV on again and seemed to work fine with no picture/sound issues. A few days later, my wife turned it on and heard the same loud pop and said she saw spark(s) come out of the back. I didn't try to turn it on after that because something was obviously wrong and I didn't want to risk further damage.

Looks like the jumper J839 has melted, maybe the associated capacitor is fried. Any suggestions?

(I first posted this on the "LCD Flat Panel Displays" thread, but this one looks more appropriate.)
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post #23529 of 23563 Old 06-24-2015, 04:19 PM
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Let me know if there was a good fix! I am still manually troubleshooting mine.
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post #23530 of 23563 Old 07-09-2015, 06:21 AM
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Hoping you guys can help, I have a LN46A750, yes I realize this is the 650 thread but the tv's are obviously very similar... The set has had some HDMI issues for a while. All of the rear hdmi ports stopped working about 6 months ago but I was able to still use the side one. Long story short we had an electrical storm the other day and now the side port is not working either, just a no signal displayed on the screen. Yes I have tried several devices and hdmi cables. I can still use the composite connections on the side, not sure about he component on the back.

I really only need to get one HDMI port working since this isn't my primary tv, I ordered a used Side AV Board off of ebay since it was only $10, I have no idea if this will solve the problem. I am looking for other suggestions from someone who may have experienced HDMI issues with this TV...
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post #23531 of 23563 Old 08-09-2015, 11:38 PM
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Just shy of 7 years old, a month ago my ln46a630 started to show the negative picture where everything looks bluish. Its probably the t-con board I may replace it at some point. However in the mean time I got a js8500.
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post #23532 of 23563 Old 08-24-2015, 02:03 PM
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Samsung LCD LN52A650 - picture dissapparing

Hello,

I have a Samsung LCD LN52A650 (seven years old) that I had powered off for 6 month and not used. The other day I wanted to use it again, and found to my amazement that the pictures disappeared after 5 minutes. I turned it off and back on and had a picture again. This happened several times with the viewing time becoming longer and longer. Now being an old "relay guy" I figured the "clicking you year turning it off and on or selecting inputs would come from relays. Relays by design have "self cleaning" contacts and if not in use for a long time they will oxidize and make poor contact. I believe that that caused my disappearing picture problem and it appears I'm good now. Normally problems don't solve itself but this maybe one of those rare incidents. - Perhaps it will solve your picture problems too, since a bad capacitor or cold solder joint will not get better with time. - Good Luck
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post #23533 of 23563 Old 11-03-2015, 09:42 AM
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Quote:
Originally Posted by crakarjax View Post

Quote:
Originally Posted by oryan_dunn View Post
When I first got my A650, I ran through and did a calibration using my HD DVE (on HD-DVD). I didn't get into the super advanced menus where you can adjust the colors individually, but I got it looking really good doing a basic calibration. I then flipped it to the Cinema "E. Mode", and it looked the same as what I'd arrived at. Since then, I've just been using Cinema mode.

Friends have bought several different sets, and none look as good as my A650. The only thing that has really bothered me is gaming. Since you must use game mode to reduce the input lag, and settings in game mode cannot be adjusted, games just look bad. Games look far better on my old HD CRT than they do on my A650. If only one thing was changed on game mode, I'd want the sharpness turned off and color temp set to warm. Those two things would vastly improve the picture in game mode.
I think that you can reduce lag further by using HDMI2/DVI and renaming it to "PC" fwiw. Has the same drawbacks though. I do believe that sharpness is 0 by default in those modes though, as sharpness control is a processing step that can be eliminated (set to 0) to reduce lag. What console do you game with? I'm wondering if there is a color temp. setting in the console itself?
Quote:
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Quote:
Originally Posted by crakarjax View Post
I think that you can reduce lag further by using HDMI2/DVI and renaming it to "PC" fwiw. Has the same drawbacks though. I do believe that sharpness is 0 by default in those modes though, as sharpness control is a processing step that can be eliminated (set to 0) to reduce lag. What console do you game with? I'm wondering if there is a color temp. setting in the console itself?

Right now, the 3 consoles I have connected are a PS2, Xbox 360, and a Wii. All use component (my 360 is a launch model without HDMI). I remember hearing the trick of naming it PC, but that also messed with the picture, but in different ways.

Just as an update (almost 2yrs after my original post above), I recently got an Xbox One and moved some items around. I also started playing a few of the 360 games that I hadn't played in a while. During this period, I also noticed that my 360 component cables had a slight ghost on the right edge of on screen items. I decided to try out the VGA output from my 360, so I ordered a set of Monster VGA and Optical cables (still new) from ebay. After getting everything connected, I can't believe I waited all this time to get VGA cables for the 360. Games looked awesome, no ghosting, and no more flipping between Cinema and Game mode. I've also moved my HDMI from my receiver (Xbox One, Dish, Blu-ray, HDDVD), to HDMI 2 and named it PC. I had always had almost all the picture options disabled anyways, so VGA and HDMI 2 named PC, both set to Movie mode with color temp warm 2 look very good to my eye. In fact, I think it looks the same as Cinema mode, which I was very happy with for TV and movies.

All in all, I'm very happy with A650 for games now. My PS2 still is component only, obviously, but it's not going to look all that great anyways, so game mode it is. Sadly, the never used Wii was removed, and my Wii U will stay connected to another TV centrally located so the gamepad will work to a longer range.

Before I ordered the VGA cables, I had considered perhaps replacing my A650. But, it seems most new TVs aren't any better for input lag, and I'd likely have to spend 1k or more to get a 120Hz set that can do 5:5, has modes for low input lag for games, and decent off axis viewing. I would have hoped that they'd have all this sorted out in the ensuing 7 years since I bought my 650, but it appears not. I think for now, I'll be keeping my A650 till it dies as I've not found anything that's worth upgrading to.


tl;dr: If you like Cinema/Movie mode and have most options disabled anyways, and want low lag, VGA or HDMI 2 named PC is definitely the way to go for gaming. I know this has been known for quite some time, but there are still slow people like myself who may just be getting around to gaming on an A650.


PS: I've run into a few gotchas with PC mode on this set, but have solved them.
1. VGA input expects 0-255, so the 360 needed to be set to Expanded, instead of the default Standard. In 360 land, Expanded is 0-255, Standard is 16-235 (which is what it was set to for component output).
2. With HDMI 2 named PC, when it is receiving an RGB signal, the TV locks HDMI black level to normal (0-255). Since the Xbox one outputs RGB, I had to set it's black level to full (0-255) instead of the default limited (16-235).
3. When receiving a 1920x1080p60 signal, in VGA and HDMI 2 named PC, the only picture modes are 16:9 and 4:3 (no JustScan). It's deceiving, but in PC mode, 16:9 is 1:1 pixel mapping. Not sure why it's called 16:9, when all other modes 1:1 is JustScan. I was a bit confused at first, since 16:9 usually has a bit of overscan.
4. Even when in PC mode, 1920x1080p24, 16:9 has overscan, and JustScan is available to be selected.

Give a man a fish; you have fed him for today. Teach a man to fish; and you have fed him for a lifetime

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post #23534 of 23563 Old 12-15-2015, 11:47 AM
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Just an update on my LN52A650. I bought mine in 2008 (build date July 2008) and it still working like it's brand-new. I've probably used it every day since I bought it. Never had cap issues or anything. The only gripe I have with this TV is that it gives off a ton of heat, and you can't see the buttons on the front. Other than that it's been the perfect TV for the last eight years.
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post #23535 of 23563 Old 01-20-2016, 04:39 PM
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Originally Posted by Acksull View Post
Just an update on my LN52A650. I bought mine in 2008 (build date July 2008) and it still working like it's brand-new. I've probably used it every day since I bought it. Never had cap issues or anything. The only gripe I have with this TV is that it gives off a ton of heat, and you can't see the buttons on the front. Other than that it's been the perfect TV for the last eight years.
I've used my LN46A650 since about the same time but I did have the warranty work done way back but ever since still working well.
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post #23536 of 23563 Old 01-27-2016, 08:52 AM
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Refurb pwr supply and main board

The Set was knocked out by lightening back in summer of 2015. All one heard was the relay clicking.

I started by getting a power supply, but it did not rectify the sets condition. (still had the relay click)

Purchased a refurbish main board, and the set now lives. ENSURE that your ribbon cables are taped down (do not bulge away from the panel into the units back housing, and that the contacts are clean and firmly inserted.



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post #23537 of 23563 Old 03-14-2016, 02:35 PM
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Originally Posted by Acksull View Post
Just an update on my LN52A650. I bought mine in 2008 (build date July 2008) and it still working like it's brand-new. I've probably used it every day since I bought it. Never had cap issues or anything. The only gripe I have with this TV is that it gives off a ton of heat, and you can't see the buttons on the front. Other than that it's been the perfect TV for the last eight years.
Same here. Sometimes I wish it breaks down, just so I have an excuse to buy a new one, lol.
Actually, any TV that breaks down in the house, I will replace it with this one, and purchase another one for my HT setup.
This TV still holds up in picture quality with so many new sets I've see today
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post #23538 of 23563 Old 03-19-2016, 03:59 PM
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The only problem I have with this television is a greenish blob right above the Samsung logo. It's small but I notice it at times. Not sure why it appeared but it's been there for a couple years now at least. I still love this television though, even after 8 years.

My Home Theater Set-Up 2011... http://s158.photobucket.com/albums/t...atre%20Set-Up/

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post #23539 of 23563 Old 03-19-2016, 04:22 PM
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Have you tried HVAC Tape?

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Originally Posted by buffalofloyd View Post
The only problem I have with this television is a greenish blob right above the Samsung logo. It's small but I notice it at times. Not sure why it appeared but it's been there for a couple years now at least. I still love this television though, even after 8 years.

I recently repaired this unit and found that by taping the ribbon cable super tight, I resolved having artifacts appear on set.

This is before I taped the areas indicated


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post #23540 of 23563 Old 03-19-2016, 05:01 PM
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Originally Posted by Woobieizer View Post
I recently repaired this unit and found that by taping the ribbon cable super tight, I resolved having artifacts appear on set.

This is before I taped the areas indicated

That is interesting. Were you getting greenish colored blobs that I'm talking about? It's at the very bottom of the screen in almost the direct center above the Samsung insignia. Do you think doing what you did could really resolve this issue? Thanks for the picture by the way, I might try what you did if I have the opportunity to suck some more life out of this tv. I still think the picture is fantastic and I'm not in any rush to upgrade until 4K is more established and the sets are better and maybe come down in price a little.

My Home Theater Set-Up 2011... http://s158.photobucket.com/albums/t...atre%20Set-Up/

PC/HTPC: Xeon X5650 > ASUS Strix GTX970 >
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TV: Samsung LN52A650 >
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post #23541 of 23563 Old 03-19-2016, 05:23 PM
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I know that Set is Heavy and worked up a sweat just thinking of moving it.

Quote:
Originally Posted by buffalofloyd View Post
That is interesting. Were you getting greenish colored blobs that I'm talking about? It's at the very bottom of the screen in almost the direct center above the Samsung insignia. Do you think doing what you did could really resolve this issue? Thanks for the picture by the way, I might try what you did if I have the opportunity to suck some more life out of this tv. I still think the picture is fantastic and I'm not in any rush to upgrade until 4K is more established and the sets are better and maybe come down in price a little.

The issue I had looked like this: BUT if I moved, touched the "Green Circle" TCON ribbon it would go from perfect to Green blobs all over.
It was remedied by seating the crimp connection in "Green Circle" and tape the slack up that you see on "Red Arrow". Sit pretty now.




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post #23542 of 23563 Old 03-19-2016, 05:52 PM
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Quote:
Originally Posted by Woobieizer View Post
The issue I had looked like this: BUT if I moved, touched the "Green Circle" TCON ribbon it would go from perfect to Green blobs all over.
It was remedied by seating the crimp connection in "Green Circle" and tape the slack up that you see on "Red Arrow". Sit pretty now.



I'm gonna need some help getting this sucker off my stand to take apart. You tested all this with the TV on? That could be a little bit of a problem for me but I'll have to see. Should the green blob go away immediately or do I need to wait some time? That picture is your 'after' picture?

My Home Theater Set-Up 2011... http://s158.photobucket.com/albums/t...atre%20Set-Up/

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SPEAKERS: Energy RC-70 x 2, RC-LCR, RC-30 x 2, RC-10 x 4, Mirage Prestige S10
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post #23543 of 23563 Old 03-19-2016, 06:55 PM
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Good Luck

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I'm gonna need some help getting this sucker off my stand to take apart. You tested all this with the TV on? That could be a little bit of a problem for me but I'll have to see. Should the green blob go away immediately or do I need to wait some time? That picture is your 'after' picture?
My ribbon cable was Immediately noticeable.
Agreed, help is best.

In your minds eye, picture this: I had to replace the main board. My attached picture seen above with the horizontal fuzz was the after.

I took this puppy down at least 5 times. During the troubleshooting, setting the TV back on the table/ WITH back cover off; I tickled the ribbon cable. Not a problem for I'm wearing rubber gloves, mainly for the grip/anti slip.

This is how I discovered the solution to my issue. Once found I unplugged all connections made and did my tape job. Tested with cover off till I was satisfied.

If you can move a table to the set that is level with it's current position, and slide onto your workspace, you can get by with just removing the back cover without having to lay the set face down and take the stand off.. BUT, you will have removed stand screws, so once cover is off, put a couple screws back into the stand and watch that your down firing speakers don't jump too far off the rubber grommets.
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post #23544 of 23563 Old 03-19-2016, 07:03 PM
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My ribbon cable was Immediately noticeable.
Agreed, help is best.

In your minds eye, picture this: I had to replace the main board. My attached picture seen above with the horizontal fuzz was the after.

I took this puppy down at least 5 times. During the troubleshooting, setting the TV back on the table/ WITH back cover off; I tickled the ribbon cable. Not a problem for I'm wearing rubber gloves, mainly for the grip/anti slip.

This is how I discovered the solution to my issue. Once found I unplugged all connections made and did my tape job. Tested with cover off till I was satisfied.

If you can move a table to the set that is level with it's current position, and slide onto your workspace, you can get by with just removing the back cover without having to lay the set face down and take the stand off.. BUT, you will have removed stand screws, so once cover is off, put a couple screws back into the stand and watch that your down firing speakers don't jump too far off the rubber grommets.
I appreciate what you are saying, however it will be a little different for me because my TV is hanging by a VESA mount on a entertainment center and I don't have the stand. I'll have to figure something else out. Really appreciate the feedback though and I might actually try this.

My Home Theater Set-Up 2011... http://s158.photobucket.com/albums/t...atre%20Set-Up/

PC/HTPC: Xeon X5650 > ASUS Strix GTX970 >
RECEIVER: Denon X4200W (5.1.4 setup) >
TV: Samsung LN52A650 >
SPEAKERS: Energy RC-70 x 2, RC-LCR, RC-30 x 2, RC-10 x 4, Mirage Prestige S10
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post #23545 of 23563 Old 03-20-2016, 06:54 AM
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Talking

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Originally Posted by buffalofloyd View Post
I appreciate what you are saying, however it will be a little different for me because my TV is hanging by a VESA mount on a entertainment center and I don't have the stand. I'll have to figure something else out. Really appreciate the feedback though and I might actually try this.
Yeah that would be a challenge.

NSFW
Spoiler!

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post #23546 of 23563 Old 03-20-2016, 11:47 AM
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Yeah that would be a challenge.

NSFW
Spoiler!
Hahaha, good one man. I have the base still, just not connected. If and when I get the motivation to try this I'll pop it on maybe.

My Home Theater Set-Up 2011... http://s158.photobucket.com/albums/t...atre%20Set-Up/

PC/HTPC: Xeon X5650 > ASUS Strix GTX970 >
RECEIVER: Denon X4200W (5.1.4 setup) >
TV: Samsung LN52A650 >
SPEAKERS: Energy RC-70 x 2, RC-LCR, RC-30 x 2, RC-10 x 4, Mirage Prestige S10
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post #23547 of 23563 Old 05-19-2016, 01:54 PM
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Question

Our 46" version of this model just started crying on and off yesterday. After 15-20 of these it will stay on. I presume this will get worse. Is this a capacitor problem? If capacitor which ones and where should I buy. If I sound like I haven't done this before, that's correct. Haven't soldered either, but I'd like to avoid the repair cost of $500 or whatever if this is an easy fix.

When things go wrong they go wrong at the worst time. I go in the hospital for surgery next week so I've got little time to fix this. Oh well.
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post #23548 of 23563 Old 05-19-2016, 08:01 PM
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Get well soon, this is an easy fix, as far as board swapping is concerned.

Quote:
Originally Posted by Johnny Angell View Post
Our 46" version of this model just started crying on and off yesterday. After 15-20 of these it will stay on. I presume this will get worse. Is this a capacitor problem? If capacitor which ones and where should I buy. If I sound like I haven't done this before, that's correct. Haven't soldered either, but I'd like to avoid the repair cost of $500 or whatever if this is an easy fix.

When things go wrong they go wrong at the worst time. I go in the hospital for surgery next week so I've got little time to fix this. Oh well.
Ugg.. soldering ... just got finished soldering a cell phone battery into an old Panasonic 5.8Ghz wireless.

Lucky for you it won't cost 500 US to get a leg up on your tv.

I posted here my fix of a 50"
Ordered a power supply (that I did not need) from China http://cradeal.com/
Got a Mobo (that fixed my situation) http://www.tvpartsinstock.com/

Hope your set is not wall mounted, cause you'll need to take the set and lay it on a flat soft surface, and remove the base and perimeter screws to get the pictures of the part numbers for shopping. Sweet run on sentence!
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post #23549 of 23563 Old 05-19-2016, 08:14 PM
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Woobieizer, thank for the pointer to the parts in stock place. I did a search on the model number and got 6 boards. 3 are Con boards and 3 are Main boards. I presume I want the Main board, but which one? Do I have to open up the TV to get the part number?
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post #23550 of 23563 Old 05-19-2016, 08:20 PM
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Is there a place in this thread or elsewhere that shows how to take off the back to get access to the boards? I went back to that website and clicked on one of the boards and it says I've got to take the back off the TV to get the part number, so guess I answered the above question.
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