SNK SC19 voltage problem?

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redstallone
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SNK SC19 voltage problem?

Post by redstallone »

Hi guys!

I`ve a problem with my SC 19 cab.
Sometimes it works fine, sometimes not.
If it`s not working, i have to switch on/off the cab for about 5 times...than it works fine again.

First i thought its a monitor problem, but i think it`s a voltage problem.
Because if it`s "not working" i got a monitor-noise (normal noise like its working)...but without picture, and i can`t coin-in, and there`s no sound.

Thanks for any help! greets redstallone
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Wurstkopp
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Re: SNK SC19 voltage problem?

Post by Wurstkopp »

Have u measured out the voltages of the psu? Maybe too less +5V.

Also I see the -5V are not connected...
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nvs
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Re: SNK SC19 voltage problem?

Post by nvs »

No -5v required for MVS so that's not an issue.

Does this happen with any PCB or just the one you've got in there now? Assuming the board in there works fine on other cabs.

I think I might've seen something similar with one of my SC19s in the past but I recall audio playing and the flyback screaming at me, so no doubt monitor specific in my case.
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redstallone
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Re: SNK SC19 voltage problem?

Post by redstallone »

It was a PSU death :-(, problem solved.
Thanks for reply guys!
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nvs
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Re: SNK SC19 voltage problem?

Post by nvs »

Cab looks to be in nice condition, btw.
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Wurstkopp
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Re: SNK SC19 voltage problem?

Post by Wurstkopp »

Luckilily nothing serious :).
redstallone
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Re: SNK SC19 voltage problem?

Post by redstallone »

yeah, it was much work...and now it`s in beautiful condition :D
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voyou1
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Re: SNK SC19 voltage problem?

Post by voyou1 »

nvs wrote:No -5v required for MVS so that's not an issue.

Does this happen with any PCB or just the one you've got in there now? Assuming the board in there works fine on other cabs.

I think I might've seen something similar with one of my SC19s in the past but I recall audio playing and the flyback screaming at me, so no doubt monitor specific in my case.
Hi
I've the same problem you had with your neo sc19.
during play the screen switch off randomly, but sound is ok, with an awfull scream. Do you remeber the way of fixing it?
thanks for helping
nicolas
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