Looking for a Magnavox/Philips tv. Model number 20MF605T/17.

google magnavox 15mf605t/17 power cord

they are readily available on line for less than $10.00

http://tv.manualsonline.com/manuals/mfg/magnavox/20mf605t.html

Try this number- the unit may have a defect in it and may need repair- you don't say what is wrong with it.
http://www.support.magnavox.com/html/index_us_en.html

The tv has a vertical problem caused by one to three bad capacitors and possibly the ic, that will exhibit the symptoms you are describing.

Go to the philips-magnavox-funai web site:
http://magnavox.fox-international.com/

Use the 800 number ... tom

http://audio.manualsonline.com/manuals/mfg/magnavox/magnavox_stereo_system_product_list.html
check it out pls

You can find a replacement Philips/Magnavox fresnel screen, in stock, for this model (51MP392H/17) at this following link from a major parts distributor:

Philips / Magnavox 51MP392H Replacement Part Fresnel Screen

And here's a link for the Lenticular (middle) Screen, if needed:

Philips / Magnavox 51MP392H Replacement Part Lenticular Screen

Try this web page

http://www.directutor.com/content/philips-sru210327-universal-remote-control-codes-tv-vcr-set-top-box#codefinder

check the tuner or the IF circuit they could be defected.good luck.