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1 astrocade powers to black screen..one powwr switch does zip.


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#1 moonlight23 OFFLINE  

moonlight23

    Chopper Commander

  • 141 posts

Posted Wed Aug 24, 2016 5:02 AM

Hi. Well i have 4 astrocades.. 2 work..
3rd powers onto a black screen.. (this is an early unit cpu in this one is socketed! Has plastic rf shield. And gray reset button and red cart holder.Swapped all custom chips..still black screen. I hear this can be a ram iissue....and been suggested to cut the power leg on each one,by one until it boots..but hate to cut them..i am,good with soldering...but i have also
Swapped power brick..still black screen
..and yes chips and brick was swapped from a working unit. Also swappwd rf.
4th, used to power up and play..then power switch does nothing..screen stays static.. No power at all..also swapped power brick with a goodone and chips with a good one ans rf.....nothing..any idea's? A bad cap? Places to,check??
Thanks,my,friends
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