Home▸ Forums▸ Macintosh Plus Issues — #8▸ Macintosh Plus Issues — #8
Post #8 by JawhnL5
Source ForumMacintosh Plus Issues — #8
CategoryHardware
Post DateWed, 22 Jan 2014 - 05:06
Original URLhttps://68kmla.org/bb/threads/macintosh-plus-issues.29716/
Post
Measure your 5V Rail. if it falls too far below 5V, it will be caught in the bootloop of doom. All capacitor related I bet.
Another thing is the opto-isolator. They get weak with age, especially if it was used a ton. Most likely it was as it came from a school..
Click to expand...
When I get it open I'm gonna investigate it further, I'm almost certain it's capacitor related, and probably also solder joints. I'm pretty newbish with this stuff, so I am not sure what an opto-isolator is? It that something that's repairable?

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