If it shows only a blank white screen, means, there is no video signal. Just try it with external Ariel and see whether there is picture tunes in. If not, the main board to this set is likely faulty. 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.
Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
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