What's a flyback? (transformer?) Why should they be so hard to replace? This POS will be MINT . . .

. . . after I polish the scratches off the top edges of case!

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The flyback transformer (FBT), also called a 'line output transformer' (LOPT), is a special transformer which is used to generate high voltage (HV) signals at a relatively high frequency.

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They can be replaced, but be warned you need to replace the faulty unit with one identical in spec or nastys will happen, also since they are the generator of some seriously wicked HF High Voltages (20 - 50 KV) they can flatten you before you can say snot

Often times replacements are more expensive than the screen, and usually not an option unless you happen to have another sitting around with the exact same transformer and something else wrong (ie bad tube vacuum)

http://en.wikipedia.org/wiki/Flyback_transformer