My tv comes on, but the left side is black & after about 20 mins. the whole screen goes black. you can still hear it, but just dont have a picture. it a philips 47 in. 7422D-37

SOURCE: philips 37 flat screen

I'VE WORKED ON A LOT OF PHILIPS FLAT SCREENS AND ALWAYS NOTE ,WHEN THERE ARE PROBLEMS WITH THESE SETS--THE RED LED WILL BLINK GIVEN YOU A CODE FOR TROUBLESHOOTING..EXAMPLE---ONE L0NG BLINK,4 QUICK BLINKS--BAD AUDIO BOARD,,,SOOOOOOOOOOO,CHECK YOUR BLINKS,HA!

SOURCE: No picture after 20 mins on LG LCD Tv

i have a 32" lg hd flat screen an it now does the same thing i got it on boxing day an its not even 5 months old

SOURCE: 42" Philips plasma screen goes black

you need to replace y-sustain board.

SOURCE: Vizio 42", have picture for about 5 mins then screen goes black.

also check the power cord wire coming from the back of the tv is loose from the tv side or perfect.

Dave Naylor

• 834 Answers
• Posted on Dec 14, 2009

SOURCE: TURN ON TV, SHOWS PICTURE FOR A SECOND, THEN THE

there is a bad capacitor in the power board
The Can shaped little device will have a domed or puffed up top on it the value is printed on the side you can , or have someone replace the cap and you should be all set