> On 23 Nov 2017, at 20:43, Chuck Guzis via cctalk <cctalk@classiccmp.org> > wrote: > > On 11/23/2017 11:34 AM, Adrian Graham via cctalk wrote: > >> None of the pots on the video board deal with contrast so I’ve got it out on >> the bench to remove and test the capacitors. What else can I look at at the >> same time? Someone else has already mentioned the transistors Q101, Q102 and >> Q103 (on the yoke board). > > Have you tried replacing C101? What happens if you temporarily remove > TR101? >
It tests ok at 4816nF with 1.4ohms ESR. I need to work out a way of getting everything connected together outside the case so I can do measurements. I’m hoping it’s something fairly easy to spot as high voltage even at low current is daunting. Cheers A
