mecha
Well-known member
got a 25K7401 out of a Ms. Pac/Galaga that was in shutdown, I had never capped it before, so I capped it. the B+ adjustment pot naturally was drenched in epoxy, so I tried busting that free first and succeeded.
when I threw the chassis back in the B+ was reading something like 144-150V with me trying my best to return the pot back to its original position. I had a lot of room to turn it down, lowest I had gotten it was about 121-122. now if I recall correctly, you want the B+ to be like 118V, so I tried turning it down even more and that's when it started showing a B+ of -6.5.
am I looking at a broken pot here? and why would the monitor still power on if it's doing that?? it made a whining sound that I could make out I think, I'm in a very loud game room.
also, it was a Happ kit, there were a couple caps it was calling for like C701 or C702 (can't remember exactly right now) that I couldn't find at all so I skipped it. it also wanted a C731, but the C731 was empty. in my dumbfuck lapse of judgment though, I may have actually installed that there, why I don't know. would that cause any of this? it was a pretty big cap.
when I threw the chassis back in the B+ was reading something like 144-150V with me trying my best to return the pot back to its original position. I had a lot of room to turn it down, lowest I had gotten it was about 121-122. now if I recall correctly, you want the B+ to be like 118V, so I tried turning it down even more and that's when it started showing a B+ of -6.5.
am I looking at a broken pot here? and why would the monitor still power on if it's doing that?? it made a whining sound that I could make out I think, I'm in a very loud game room.
also, it was a Happ kit, there were a couple caps it was calling for like C701 or C702 (can't remember exactly right now) that I couldn't find at all so I skipped it. it also wanted a C731, but the C731 was empty. in my dumbfuck lapse of judgment though, I may have actually installed that there, why I don't know. would that cause any of this? it was a pretty big cap.