No picture and sound led light keeps flashing every couple of sec

Cheaper to replace than fix, trust me on this.

I saw a youtube video where they replaced the led strips and it fixed the intermittent flashing screen issue

LG LED TV has no picture (black screen) but still sound ...

www.tomsguide.com/answers/.../led-picture-black-screen-sound-fixed.ht...

My 32' LG LED TV has suddenly lost picture! The sound is all right but the Screen is pitch black. After switching it on the picture flashes for a second and then the screen goes completely black.

LCD Easy Fix (sound but no picture) - YouTube

? 4:52
https://www.youtube.com/watch?v=IBRE1Dcyxp4
Jan 13, 2012 - Uploaded by Clay Whitehead
TV Has Sound But No Picture Troubleshooting Guide - Duration: 2:30. by Repair.com 472,733 views. 2:30. LG LCD TV REPAIR -NO PICTURE ...

pressing power on button should be for 30 to 40 sec but the flashing lights means there is a hardware problem can find flashing light codes on the net you could try removing ram 1 by 1 c if that works hope this helps if not will keep an eye on this

Try another lamp. Error 5 is Lamp power supply, but its usually always the lamp bad.

This problems the FBT-the Flyback Transformer have cold solders.Must resolders the FBT.The right side wall of the FBT-the "H" horizontal transistor,must be also resolder too.

Power LED light indication flashes?Or completely dead?Have sound,but no picture,just flashes pictures few sec.than dies?The power supply board is dead.If power LED light idication flashes or completely dead.The 2 or 1 long board call the LCD inverter boards are dead.If have a flashes picture few sec. dies.Have sound left only.The power supply board,that the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board,also the LCD inverter long boards for the replacement.

First turn on,do the power LED light stable?Few sec.Power LED and LED OPC flashes?This very common on Sharp tv,tries power off/on at 4 or 5 each time it flashes,well power up have backlight on and it work.After this doesn't work than ur Tuner Signal board it dead.

I have a sony tv PFM-42B1 when I turn it on it go to standby an a red light flash I count count 14 time but I heard that it only support to flash 1 to 6 time how do count the flash

try some of the solutions on this link hope one will work for you. http://www.docs.sony.com/release/KDL32S20L1.pdf look under troubleshooting for no picture good luck