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Understand issue with 28" crt and Intervideo
Marcoqwerty:
--- Quote from: princess prin prin on April 29, 2024, 03:03:32 pm ---I've checked another manual for the VP chassis and for all sizes and CRT brands (including 25" Philips like yours) the value of C38 and C76 is always 680nF. Only some of the bigger tubes require a different value. Now I don't know what's on your chassis but I bet they're 680 and since these caps lose (not gain) capacitance when they degrade which makes the picture more compressed towards the side, I don't think they're out of specs (i.e. they kept the nominal value). Then again nothing forbids you to try different values as per my previous suggestion.
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Im back, i changed the crt board to a new fresh one, and both the arches are still there.
So the issue dont depend from the chassis but from the 25" tube, and i think the only solution is to change the tube.
:dunno