Need help, 4900 Medium Res (super sprint)

eXidy

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I have a Super Sprint that someone recapped at some point with a bunch of incorrect value'd caps. Also one cap was in there backwards and blown, I recapped the chassis and it looks like this now:

4900_medres.jpg


any idea's would be great, thanks

jon
 
You have vertical collapse, which is most likely being caused by cold solder joints on the two white resistors in the back corner of the chassis.
 
...

Hmmm.. I checked both and they tested ok. Also checked the area for broken solder joints, no problems :\

Jon
 
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