#1 2018-06-22 06:41:14

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Inscription : 2018-06-13
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Default Osborne OCC1 computer monitor issue


I recently bought an Osborne portable computer, which seems to be working fine except for the monitor: at powerup the boot screen image scrolls vertically fast, so I am assuming there is something wrong in the vsync circuit. I have very basic electronics skills, but I have access to a DMM and oscilloscope, so if properly guided I think I may be able to eventually fix the computer and enjoy it. Does anybody know where to start? I've dowloaded a PDF titled "Osborne 1 technical manual", which has schematics that may be helpful for the task.

Any help will be apprecited.

I didn't find the right solution from the Internet.

http://www.vcfed.org/forum/showthread.p … itor-issue
Whiteboard Video Production Service

Thank you.

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