> Hey! > > I've seen this one! > > I'm an arcade tech that has been working on CRT monitors for about twenty years now. > > Your problem is a small capacitor. Usually 3.3 or 4.7 uf 50v. > > Capacitors can fail, (do fail) fresh from the manufacturer. > > Randy Fromm's monitor flowcharts say "Is the picture distorted or curved" --> > "Electrolytic Capacitor failure, this is the most common failure of all. It is best > to replace all the Electrolytic Capacitors at this time" > > He is right. Replacing all the Electrolytic Capacitors will solve this problem. > > Interestingly, the black 'blob' with edges that fade away from the 'spot' will look > the same without a signal applied. Turn up the 'screen' knob on the flyback until the > entire screen looks grey with retrace lines and the 'blob' will be dark black. > > It's a capacitor.
nice! thanks by info.
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