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If the backlight of the LCD-panel does not function, (no picture) then Master and/or Slave inverter are defective. Inverter boards are screwed to both sides of the LCD display, if they have revision 1.2 boards then they will need replaced with revision 1.3 boards.
Tv is less than a year old call Phillips for warrenty repair.This tv have a 1 or 2 long boards,call the LCD inverter boards,it have problems,about to died.These 1 or 2 long LCD inverter boards are to help the LCD screen to have a backlight to produced a picture.That why u have dead pictures,but still have sound.Tries websites like Shopjimmy.com,Ebay.com to buy those 1 or 2 long LCD inverter boards for the replacement.
Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board,will get ur picture back.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter backlight board for the replacement.It a long board in shape.
Hold a flash light to the screen after it goes off and see if you can see a faint picture. Sounds like your backlight might be cutting off. Repair can be expensive but some of the newer units don't require the entire LCD to be replaced.
look in the owners manual about installing devices or components--- sounds like you have something hooked up wrong that is not allowing the video and sound to work--- if that doesnt work--- try using a combination device and hooking the two items to it--then run that device's wires to the television
I had a similar problem with my Phillips 42 in. LCD HD TV.
Here's the problem. The Power Supply Board. I opened my TV
up(warranty was up of course) and found several bad capacitors.
Phillips and several other companies were sold capacitors that although
were highly rated failed within 5 years because of a lack of
preservatives. All sorts of electronic equipment is now being effected
due to these defective capacitors.
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.
The DVD player may have multiple output formats that can be displayed. Sounds like you have the composite output selected when you have the component output selected on the DVD player. Check the menu options on the DVD player and confirm they match the way you have the player connected