-=> Quoting Jasen Betts to Paul Rogers <=-

 PR> My monitor is beginning to buzz.  Does anyone know a lot about
 PR> TV's? One might think a flyback could be replaced.  I'm wondering
 PR> if they have to be closely matched to the CRT picture tube?

 JB> no, there are adjustments for that (focus and screen) the problem you
 JB> may have however is that different monitors use different
 JB> configurations of windings on the flyback  so unless you've got one
 JB> that's a similar model you're probably out of luck.

 JB> to me a buzz suggests a problem with a filter capacitor.

 JB> AFAIK the flyback transformweers are pretty tough and aren't damaged
 JB> by much except other parts in the monitor failing.

 JB> something else which iw worth trying is just re-soldering the flyback,
 JB> sometimes the solder cracks...

Actually, the flyback(?) can get a loose lamination, which starts
vibrating at the 20-30 kHz frequency used for one of the motions of the
electron beam. 

Some people (like me) can *hear* up to 30 kHz (an "advantage" of
asthma). So everyone else is going "What noise?" while we are going
nuts.

--- FMailX 1.60