MS9 has a buzzing sound and the colors iffy at times

[GeekMan1222]

So I been putting this off way to long.
My NAC's MS9 has had a problem for a while where the color tones will shift a bit if the cabinet is bumped around or you tap on the CRT a bit. Usually if you give a little nudge it will snap back to its colors. Its like it will wash out one of the RED GREEN or Blue Channles.

Now I have posted about this before and people have told me its the control pots on the adjustment sub board. I havent gotten around to that.

Now i have a new issue. I want to say its a Fly Back going bad or something is slowly killing its self like a capacitor (which this chassis needs one anyways im sure.)
Anyways I was minding my own business playing some Mushi Futari bump the cab maybe a bit to hard tap dodging out of this one section when all the sudden I start to hear a buzzing or hum sound coming from the CRT it was faint and I was in the heat of Stage 5. After being distracted by the fact i might be killing my CRT and dieing because of that I promptly listened in on the tube/chassis area.

Sure enough theres a fairly audible static like buzz sound coming from the chassis area. If its a failing FBT I doubt theres much i could do other than run it into the ground or replace it asap.
So far theres no strange behavior like its dieing so idk what to do.

I just wanted some feed back. What do you guys think?
Thanks

Edit: I just realized it could be a failing balast on the marquee tube so maybe we shouldnt rule that out but it definitely sounds like its from the chassis to me

[grantspain]

caps and bad solder joints, do it soon before it causes further issues

only ever seen one bad flyback on a ms9 and that was due to severe corrosion

sometimes deflection yokes can make a buzzing noise btw

[GeekMan1222]

Thanks I should have some extra hobby money trickling in soon so that will go towards caps. I might go back to Mame for a bit pull the monitor and chassis out and give an inspection and cleaning.