I'm trying to improve the geometry of a CRT monitor by upgrading capacitors.
Compared to the original ones, I've upgraded by 15-20% the capacitance of each capacitor around the flyback trafo and used components with higher current capabilities.
Howewer, the scan capacitor (the big 3.3uF bipolar capacitor in the horizontal section) is what is giving me trouble.
Do you guys know if going higher with the capacitance will make possible to obtain a better geometry or will it only affect the horizontal width of the picture?
Is a polyester capacitor limited in current capabilities, giving that this capacitor will have to handle more than 8A of current? A parallel will be very hard to perform since the space is restricted by nearby components and polyester capacitors already have quite large lead spacing.
I've seen CRTs using 3.3uF, 4.7uF and even 10uF. This CRT has a 3.3uF capacitor and I'm currently thinking of using a 6.8uF capacitor.
Once the board will be assembled it will be quite troublesome to resolder a new one due to lack of space, so I would like to know more informations about the choice of this (critical) component.
Compared to the original ones, I've upgraded by 15-20% the capacitance of each capacitor around the flyback trafo and used components with higher current capabilities.
Howewer, the scan capacitor (the big 3.3uF bipolar capacitor in the horizontal section) is what is giving me trouble.
Do you guys know if going higher with the capacitance will make possible to obtain a better geometry or will it only affect the horizontal width of the picture?
Is a polyester capacitor limited in current capabilities, giving that this capacitor will have to handle more than 8A of current? A parallel will be very hard to perform since the space is restricted by nearby components and polyester capacitors already have quite large lead spacing.
I've seen CRTs using 3.3uF, 4.7uF and even 10uF. This CRT has a 3.3uF capacitor and I'm currently thinking of using a 6.8uF capacitor.
Once the board will be assembled it will be quite troublesome to resolder a new one due to lack of space, so I would like to know more informations about the choice of this (critical) component.
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