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Yeah unfortunately it works fine with a different logic board so i assume display and inverter are fine. Just something on logic board that is affecting brightness control.

No, unfortunately the display works fine with a different logic board so i think i will have to look over the logic board and do some more cleaning and check my caps. I was just hoping someone knew the schematics for the brightness on the logic board if any.

The screen works perfectly using a different logic board so i think it is a cap or something on the other logic board thats causing it. Anyone caps or whats related to brightness in the pb100 logic? Both boards are recapped

Have another powerbook 100. I noticed the screen flickers more than another one i have. I can adjust contrast but not brightness. I took display off and put on another powerbook 100 and it works properly. So something on logic board is doing that? Anyone have an idea of where to look? The two...

So after a few boondoggles i was able to purchase a 2300c along with a 280 somewhat local to me for a half decent price. Recapped it on weekend and all is good:) So now have a 2300c, 2400c, 1400c, 5300c, 280c, 270c, and a converted 190cs to a 190c now.

so grabbed the nupower installer and installed so now shows the proper information.

Amiga weirdos lol.. yeah i know… cool find! definitely nice to get a good deal as well

Yeah, i read 64 was the max so this is a bonus for sure:)

wow, thats really sweet:) always nice to get the unexpected bonuses for sure! Love the 540c as well

So picked up this 1400. Was basically destroyed by the removable battery. Surprise #1. Was kind of pissed as the listing said untested but it came with missing screws and was obviously opened. So didn’t do much with it until today. I decided to pull it all apart and see if i could clean logic...

Found it. Check to see if yours if blown up or burnt looking.

Right where the power supply plugs into the logic board there is one thing that blows up in the back side. Will have to take a picture and show you. But take a look and see. It is a little black rectangle. There are a few other things that it can possibly be too. Will do some research

So still trying to revive this. Just got back into it.

It is important to recap these now, but more importantly is new thermal paste on CPU. Out of 6 boards i have, 2 work. They seem sensitive. Have only had one bad 6100, and have 3 working. Also have an 8100 that turns on then off. Cant figure that one out either

Yeah really sucks. It did work perfectly at first with know issues. Then it just started doing that. Will take a closer look and see. Thanks for the info.

So this duo is really being a pain. Now the scren does this. Removed new caps and cleaned but still the same. Is it possible the lcd cable or the lcd just wants to die?

So, my first foray into these monitors was a pain but got it working. This second one was partially recapped but me thinking i should finish it was a mistake so far. It turns on, is recognized under monitors and displays a white screen. Brightness and contrast dont change anything. Any ideas...

Is the board working just sound issues? Or is the whole thing not working properly? If just sound i would focus on the sound chip. Has anything been recapped?

One is sound, other one is egret. Any blue/ green corrosion on legs?

Usually recapping will help most things, but getting rid of any extra cap leakage is important. So that makes anything surrounding leaking caps a target. The egret chip and sound chips usually get it good from cap juice. So in my experience i normally have to pull sound chip off and sometimes...