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Possible external physical causes of vertical collapse in an MS9-29S?
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jaybeear
Hi all,
What (if any) are the possible external physical causes for a vertical collapse on a Nanao MS9-29S? Could any of the connections to the chassis from the cab (power, degauss, v/h yoke, etc) cause this to happen? Or can this only be something amiss with the vertical IC that would always have happened?
For context I've performed a tosh tube swap today into my cab along with its originally paired MS9 chassis. They came together in a 'Sega cage' and were demonstrated working before purchase. A few months prior to the swap the chassis was sent off for a service to Jomac (being clear I'm not in any way suggesting it came back with issues!) so it should have been in tip-top condition, then was left alone mounted back in the cage with the tube. So today was the first time it was powered on by me since purchase once in the cab - got a few moments of fast rolling image that didn't vertically fill the screen then down into the bright horizontal line. Powering off, leaving it a minute and powering on to check led to just the bright line immediately and I think the protection circuit kicked in. Haven't powered it on since. I was extremely careful re-connecting everything as it was pre-swap (honest :) )
I actually have a second MS9 chassis handy that also had been off for a service, however I don't want the same thing to happen to it if there's something I'm either missing or just misunderstanding. Is there anything else I can safely test/adjust or should it be Jomac-bound again ASAP??
Much appreciated - I may one day get to play some games on this thing :rolleyes
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