Philips 40pfl5706/f7 phantom images on screen random power down

[shortyfrmcali]

TV will random power down 1-2 times per week. Aso, see phantom images of screen flashing while watching. can still see screen fine but has phantom discolored images simultaneously. Has also recently started randomly having no video, but has audio. Any suggestions as what might be issue. local tv repair(over the phone) suggested bad screen

 

[shortyfrmcali]

the phantom images are also randomly occurring. %95 of the time the tv works fine.