Question about HP A7217A (White) 24" CRT Monitor
Crt -cathode ray tube-operates at @ 22,000 volts. WOW. what typically happens is the solder joints holding it to the circuit board crack to heating cooling everytime u use it.BE EXTREMELY CAREFULL AS THE PHOSPHOR COATING IN THE GLASS CRT HOLDS A DEADLY AMOUNT OF VOLTAGE. IT CAN KILL.
that said learn how to gnd/discharge THE FLYBACK TRANSFORMER and this voltage and u can safely resolder the joints. u will see a small circluar ring in the joint. resolder.
THe Degaussing some your hear is the screen trying to "charge"up. put the back of your hand on the glass screen and hit the power up button; you should feel the hair on your hand stand up if the screen charges.
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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