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Sony Bravia issues - horizontal lines

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Old 07-25-2011, 11:56 PM   #16
My plasma is High Def.
 

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my tv just started doing something similar
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Old 07-28-2011, 06:32 PM   #17
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I met your article on your "flat screen problem", would like to know if you ever solve your problem with Sony. I have my 20 months, although different models of the same old TV's fault...
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Old 09-11-2011, 04:54 PM   #18
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Default Bad Sony Flat Panels

$2500 Sony KDL 52Z5100

Horizontal lines started showing up 1 yr and 3 months after purchase

Tried several fixes suggested by our cable provider and Best Buy
Contacted Sony several months later as problem persisted and worsened

Sony steered me to Authorized Repair Center which told me over the phone that it sounded like a bad panel, a problem that was common with several Sony models, but mine was not on the recall list.

Sony insisted I have a technician come check the TV, despite the over-the-phone-diagnosis.

I told them I did not want to invest another $150 in a defective TV without assurance Sony would take care of the situation. Sony assured me they would.

Technician came to home and spent 3 minutes (!!!) diagnosing a bad panel...repair cost more than purchase price.

Sony "offer" is for us to purchase a lesser model TV for essentially street value...$900 + tax + $150 we spent on technician for TV selling online for $1100.

Some offer!

We can pay full price for another Sony TV that retails for approximately half of the defective TV we are looking to replace?!?!

Numerous request to speak with a upper level Sony representative have been unsuccessful...Customer Relations representatives will not connect me to a mgr. or boss, or provide email contact info. for Head of Customer Relations.

Filing report w/ Better Business Bureau
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Old 09-11-2011, 05:40 PM   #19
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Default Bad Sony/Samsung Flat Panels

Just another note re: bad panels in Sony TV's

As noted by another poster in this thread, and mentioned by the Sony Authorized Repair shop I dealt with, Sony and Samsung use the same panels.

Business partner of mine just had her Samsung TV with a defective panel replaced, despite being a few months out of warranty.

Please file report with Better Business Bureau if you are having a similar problem with a Sony TV and they are not being accountable.
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Old 12-06-2012, 06:54 AM   #20
My plasma is High Def.
 

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Default problem fixed by pressing, twisting edge of screen

There are a few ways to fix this that I have read in the last few days online. If you take apart your bezel, remove the metal flange, and insert 8 equidistant thin foam, or felt, pads about 1/8" to 1/4" thick, by 1/2" by 2" between the display edge, and the metal frame, it presses down on the contacts that have broken bonds on the edge of the screen. Try first to check this by sliding a credit card or drivers license between the edge of the screen and the metal trim flange after taking off the bezel. If you come across a specific spot that fixes the screen, you have your problem identified and now know how to fix it. (You MAY have to slightly loosen the screws holding in the screen so that you don't break the panel while doing this. Also, this problem can be identified by removing the bezel and lightly pressing on the edge of the screen, moving your way around the screen. One problem spot that seems to be there a lot is 2 inches around the upper left-hand corner, while looking directly at the screen...not sure why...

IF you can tap, or hit your screen and fix the issue, it's probably a bad connection. There are many solutions online for this exact process. REMEMBER that the voltage in one of those capacitors can very easily kill you. I resoldered mine last night, with them live, but did NOT cross the two leads. Please don't do that. It kills several people every single year... Have fun!


REVISED BELOW

Last edited by DPenhead; 03-23-2013 at 10:22 AM.
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Old 03-23-2013, 10:20 AM   #21
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Default Fix?

Let me state, first off, these are fixes to this I have personally seen, or done myself. They can't possibly cover all instances that can go wrong with a set, but they are a recurring problem that I keep seeing.

1 - This problem was solved in some cases by placing thin sticky pads on the sides of the screen, between it, and the bezel, or wherever fixes the issue, especially if you can press on the edge of the screen or tap it, and it goes away for awhile. I think they ended up being 1/4X2" felt pads that worked best....not sure though. Foam ones lose their springiness over time due to heat, so don't use them... The connections on the sides of the screen itself are separating.... And, if one connection is doing it, chances are they are are headed that way...so pads have to go on all of the similar connections. As time goes on, they separate more, which makes the problem worse and worse, and begins to wear on other electrical components in the TV, which can lead to even worse problems than the lines if it's not resolved.

2 - Many lines on the entire screen, or on half of it is often a bad connection to the panel from the tcon card, or the direct connection with the panel...it's a pretty safe bet that it is just a bad connection from the tcon area, to the screen...but at least you know for sure your problem lies in this part of the set... Ribbons might be loose, or have something creating a short (as was the case with one I fixed that was brand new and had a microscopic piece of metal down in the ribbon connection, straight from the manufacturer that way). Might be a bad solder joint??...Anyway, you see the point...usually just a bad connection that is fixable pretty quick. When I take these ribbons off, I take a small piece of flat metal paint grade fine sandpaper (the REAL small grit), and do a once over the ribbon ends to remove the patina from the connections, then wipe it with a soft cloth. I believe this is the way to do it, though I have not read it actually anywhere. The reason I do it this way, is because it is exactly the way I used to do it when I was installing car stereo systems. Many times, an older system will build up a patina from current transfer over time, and by LIGHTLY sanding those connections, you could bring back the highs and lows in an older system to make it sound like it used to. I think I have expressed how important it is not to sand it too much...just a little..shine it up and that is it...

3 - Another solution was to take the screen off entirely, set it on a flat surface with a pad underneath, use a hairdryer back and forth on the ribbon connectors for the screen itself to heat it up, then lightly use a soft eraser on a pencil to glue the connection back down. Sometimes the connection can also be slightly moved to one side....by using the eraser to gently go across in the direction it needs to move, you can realign the connection. This is the fix for a LOT of bad panels, and also works on cell phones, ipads, radios, clocks, and any other electronics that use glued ribbons of some sort to connect to the plasma, lcd, or led display.



Hope this helps. Chances are your problem lies with one of these solutions, but it might not...worth a try though...

Dave
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Old 03-23-2013, 02:37 PM   #22
pissoffe
 

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Quote:
Originally Posted by wellard View Post
I guess Tokolosh was electrocuted
Tokolosh-well done
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Old 12-22-2013, 05:51 PM   #23
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Default I survived!

I didn't get electrocuted, but I never solved the problem either.
The husband of a friend of my wife's works at a hi-fi audio store, and he took a look at it. He claimed to have slightly improved but not cured the picture, but when we got it back and plugged it in, it was completely dead.

Now my 20-yr old environmental engineering student son is taking a look. He is going to try DPenhead's suggestions (above). I think the odds are 100-1 against him being able to fix it. He is more likely to electrocute himself.

Stay tuned for my next update, probably sometime in 2015.

Last edited by Tokolosh; 12-22-2013 at 05:59 PM.
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