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I have a lg 55lm6700 tv it turns on but cant see picture at all no menu nothing. The backlight works but there os horizontal lines on screen which fade in an out when turned on also there is no sound well that I know of anyone out there please help

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  • Televison & ... Master
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T'Con board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Posted on May 10, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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  • 34 Answers

SOURCE: LG plasma TV

I would suggest having the Y and Z Sustain boards replaced

Posted on May 22, 2008

  • 1779 Answers

SOURCE: JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound

You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.

Posted on Feb 04, 2009

get-it-goin
  • 85 Answers

SOURCE: 42" LG RZ42PX11 Plasma - rainbow lines on whole screen but sound

hi there.its likely that the lower y-drive panel has died.this is a very common problem with this model.the easy way is to remove the panel from the set completely,power it up and you should be greeted with the top half of the picture.this means ic failure,usually the bottom one for some odd reason.not replaceable unless you have the gear,these ics are available from dalbani(nikkai)for those interested.be extra careful with the four ribbon cables when removing/refitting.damage to these writes off the display panel.hope this helps somewhat,regards,steve.

Posted on Feb 27, 2009

  • 66 Answers

SOURCE: Westinghouse LCD tv LTV-32W4 has great sound but no picture.

Your television actually has a backlight bulb which can be replaced at our parts request email and phone number. Email address: Parts@wde.com. (866) 839-5888

Posted on Jul 29, 2009

boltthedog
  • 24 Answers

SOURCE: my samsung plasma has horizontal line across middle of picture

loose wire check connections

Posted on Sep 19, 2009

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My 55inch LG 3D smart tv is not working properly. When you turn the tv on the LG home screen comes on for a few seconds, and then the screen goes black. What is causing this


it's set to the wrong input device ? the one you currently have it pointed to has no input

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Sounds like you have a backlight problem. To verify this, turn on the set, dim the lights in the room, and shine a bright flashlight on the screen. If you see a faint picture you have a backlight fault. It could be as simple as a bad capacitor in the power supply, or a faulty inverter board, or in rare cases a bad backlamp.

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First make sure to hit the menu button on the TV's remote and if nothing is there then friend while the set is on turn a bright flashlight on and shine at angle into the set push the TV menu button if you can see a image then your back light is not working.
You can also check the transformers they are close to were the wires plug into the panel, make sure all transformers read the same amount of resistance if not you have found a bad one. Now you will have to check to see if the power supply is sending 24v to the backlight, if not the power supply is bad. Cost backlights around 150.00 and power supplies around 100.00. Well this should help you friend.

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Yes, i would get it checked first to make sure it is the backlight, if you can see a slight glow around the edges then the backlight is working.

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