Question about Akai PT5492S 54" Rear Projection Television

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Picture starting to go bad

I have lines that appear on and off, on my screen. It has a lot more when the TV is first turned on.

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You'll need to find a technician to do some re soldering on the circuit board, problems like this happens when components' lead terminals are loose. hope it helps

Posted on Nov 10, 2008

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1 Answer

Tv power cuts on power light lit no picture then Tv turns it self off, when picture appears there's waves in picture and tv turns itself back off and on with no picture just black scree


Hi Patty
If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
If your TV, flatscreen, or monitor is more than 5 years old it is more like to have suffered a component failure.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY
LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...

May 14, 2015 | Sony BRAVIA KDL-40XBR2 40 in. LCD HDTV

1 Answer

Have thin line of picture on right side of screen, rest is blank. Sound is fine


Hi,

If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY

LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...

Mar 05, 2015 | LG 32LG30 32 in. LCD HDTV

1 Answer

Panasonic viera 50px80u tv will turn on but no picture. HELP?!?!


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY

Hi Josh,
Your TV is 7 years old, so it is not worth spending a lot of money fixing. You could take it to a shop for an estimate.
LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...

Mar 04, 2015 | Panasonic Viera TH-50PX80U Plasma TV

1 Answer

Veritcal yellow line on 50" sceptre tv


The edge ribbon connector may not be connecting (on the inside of the tv). Cure is foam strips between screen edge connecters and inside cover. Or, Memory chip (used to make the picture appear), may be bad. All flat panel tv's use a memory chip to make picture appear (it is digital after all). And if memory chips are bad, picture will have lines, jags etc. But it sounds like you have edge connecter problems. Place foam between inside cover and screen. TV may have been thrown around in shipment, and edge connecters came undone. They're very lightly soldered on some sets.

Dec 25, 2013 | Sceptre Televison & Video

1 Answer

I have a LG model 47LH55 LCD tv. it is 3 months shy of me having it for 2 years. the problem i have is that there is a thin black line (actually two very skinny lines close to each other) that is running...


It sounds like you have a bad capacitor on the power supply or other boards. These will heat up over time and eventually swell and probably vent which will cause you this issue. The bad news is you need to get into the set and be able to solder to change them. The good news is they are easy to spot because they will be swelled up and not look like a cylinder or have a goo leaking from them.

If you happen to know enough to change these you can find kits online to replace all the easy components. NOTE: You have to use low ESR High temp capacitors on these because they get hot and won't run the delicate digital processes without producing very clean filtering(which is what usually causes lines like this... Dirty filtering of power)

Hope that helps!

Jun 25, 2011 | LG 47 in. HDTV LCD TV

1 Answer

Lines across my tv where the picture is reversed


You have bad capacitors in the vertical deflection. And you will have to resolder the vertical IC as well. Replace the caps in the area of the vertical IC. Find a TV tech or hobbiest to do this!

Apr 14, 2010 | iLO IWT3206 TV

1 Answer

No picture


Just increase the screen voltage slightly by turning the screen control on the LOT and if a horizontal line appears, check the vertical IC supply, and if everything is okay, change the vertical IC, it is not costly.

Jan 21, 2008 | Toshiba 32AF43 32" TV

1 Answer

Picture problem


Usually that symptom is caused by cracked solder joints on the vertical output IC. As the IC starts heating up, the picture starts breaking up at the top with several "dancing" dark lines appearing, the top scrunches down and then when the vertical quits altogether, the screen goes completely black. A good slap on the side of the TV might make it happen faster or clear it up temporarily. If you have experience working on PC boards then you can resolder the pins of the vertical output IC but if you have never soldered parts on PC boards then allow a qualified tech to handle it for you.

Nov 20, 2006 | Sony KV-35S42 35" TV

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