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| Powerbook 100 - weird display issue |
Posted by: JRL on 2018-03-29 12:25:19
Hi,
In the middle of fixing two Powerbook 100s and I ran into a weird problem that one has...
Recapped the LCD/mainboard of one PB 100 completely and it seems to work fine with good LCD output (dead HD of course) but whenever I try to boot from a floppy it seeks once fine and then the display goes to black. The LCD backlight stays on and operation seems normal (similar to the behavior of the LCD pre-recap), and the PB continues to boot from the floppy as normal.
I would think that this is a problem with my lcd but I tested it with the other Powerbook 100 motherboard and it works fine.
Has anybody had issues like this before? Thanks!
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Posted by: Byrd on 2018-03-29 14:57:42
Hows the power adapter - all checks out OK?
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Posted by: JRL on 2018-04-05 00:08:33
Oh shoot that's something I should have thought of, thanks!
I'm trying to crack open one of the 2 supplies I have but I'm having trouble doing so - did you have any tips?
-J
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Posted by: bibilit on 2018-04-05 04:43:34
There is a post somewhere about cracking those ones, in short you need a vice and two rods to get the job done.
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Posted by: MJ313 on 2018-04-05 05:15:21
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Posted by: JRL on 2018-04-07 09:22:05
Recapping both of my power supplies fixed this problem! I found it a bit easier to crack open the supply by shoving a flathead screwdriver in the crack of the case between the power cord and ridge, came out a bit more cleanly.
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Posted by: MOS8_030 on 2018-04-07 16:21:52
Good information. I have a Portable power supply that I believe needs work.
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