(Topic ID: 215044)

1986 sys 11 High Speed : 5 volts is 12.5v


By oneperson

1 year ago



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  • 12 posts
  • 4 Pinsiders participating
  • Latest reply 1 year ago by CadillacMusic
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High Speed Main (resized).jpg
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#2 1 year ago

Well, first of all, your main board is gonna be fried. If 12v went to your 5v chips, they probably are toast. Have you replaced your bridge?

#5 1 year ago

At this point, there isn't much left you haven't replaced. I'd measure the diodes on the power supply to make sure they're okay, and then replace the IC.

2 weeks later
#12 1 year ago

Wow, I'm impressed that all those chips survived. Thanks for the update.

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