MS9-29 Problems

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Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 6:39 pm

I can't find the pot :oops: I have some on the front of the chassis and the manual excerpts tell you what some of them are but not most of them. They are toward the front of the cab and I can't see the markings on the PCB from there.

-Joel

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grantspain
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Re: MS9-29 Problems

Post by grantspain » March 5th, 2009, 7:38 pm

vr225 abl on the ms9-29su chassis,btw your background(cut offs) will cause similar problems if too high

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 7:40 pm

Ok so I remembered that if you lift the front up you can see under the monitor :)

I found the ABL pot (actually marked ABL) but didn't make much difference. In fact like pulstar said, it either made it worse or the same.

Not sure if there is anything else I can do to make this right adjusting stuff, I tried the b+ to no avail. Might have to take a look at the neck board. Can I remove it without too much trouble?

-Joel

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 7:41 pm

grantspain wrote:vr225 abl on the ms9-29su chassis,btw your background(cut offs) will cause similar problems if too high
Ah I'll try those too then. What do they do anyway? Just limit the amount of gain?

Forgot to mention that if I reduce the contrast so I can barely see it the problem goes away completely. If it's acceptably bright it comes back.

-Joel

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grantspain
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Re: MS9-29 Problems

Post by grantspain » March 5th, 2009, 7:48 pm

make sure your b+ is back where it was and same with the abl

swap out that cap i mentioned

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 7:51 pm

Pretty sure they are :?

I'll get the neck board off then. Anything I need to be careful of when doing so?

-Joel

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grantspain
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Re: MS9-29 Problems

Post by grantspain » March 5th, 2009, 7:55 pm

Xenepp wrote:Pretty sure they are :?

I'll get the neck board off then. Anything I need to be careful of when doing so?

-Joel
well makes sure its switched off,take the neck card off by applying backwards pressure on both sides-not too much pressure

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 7:59 pm

Yeah I wasn't going to do it when it was on ;)

Just wondered if there was anything that I might damage removing it.

Ok, I'll have a go at that and let you know.

Thanks again Grant! :)

-Joel

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 10:50 pm

Well I took it off and it looks fine to me, the cap is ok and I've run my meter over it so that's out.

I noticed on Kern's thread though you said the ABL was really sensitive so I might go back and fiddle with that. The geometry is really nice and straight now too :D

After all this though I'll probably be replacing the tube since I have some burn which has started to bother me :lol:

Thanks for the help guys!

-Joel

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grantspain
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Re: MS9-29 Problems

Post by grantspain » March 5th, 2009, 11:04 pm

you used a capacitance meter on the cap?

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 5th, 2009, 11:18 pm

Yeah it's just a cheapy handheld jobbie so it's not 100% accurate but it looks like it's working ok.

-Joel

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grantspain
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Re: MS9-29 Problems

Post by grantspain » March 5th, 2009, 11:19 pm

Xenepp wrote:Yeah it's just a cheapy handheld jobbie so it's not 100% accurate but it looks like it's working ok.

-Joel
ok thats fine then,what value was it?

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kernow
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Re: MS9-29 Problems

Post by kernow » March 5th, 2009, 11:30 pm

Xenepp wrote: The geometry is really nice and straight now too :D
:x :awe:
David... The wind blows... The wind blows... Bits of your... life awayee

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 6th, 2009, 12:11 am

Nice and straight by MY standards, you might think differently ;)

It was a 250v 10uf.

-Joel

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pulstarx
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Re: MS9-29 Problems

Post by pulstarx » March 6th, 2009, 8:47 am

Xenepp wrote: After all this though I'll probably be replacing the tube since I have some burn which has started to bother me :lol:
Is there a known tube that fits in an Egret II? I have one which got necked back in 2007 :cry:.
I tried to fit an AWSD compatible tube in, but it doesn't fit at all, due to the rotation mechanic...

Xenepp

Re: MS9-29 Problems

Post by Xenepp » March 6th, 2009, 5:17 pm

Do you still have the AWSD tube? :awe:

I know for sure MS9 tubes are in most 90s-00s Sega machines, there's a few on ebay right now. Another guy also put a Pentranic MultiSync in his here:http://www.arcadeotaku.com/forum/viewto ... 32&start=0

Not sure about others. The rotate mech is both a blessing and a curse.

-Joel

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