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That's just a random install from the original HDD in the performa, was just using it for testing/display adjustment. Will be running a fresh OS install without any of that rubbish further down the track. Does explain why its so slow in this install (I also think this HDD is on its last legs...

I've actually just done this with a 575 and a Performa 5300 logic board. You basically have to perform the takky mod process on the 575 chassis, and swap the edge connector/wiring harness from the donor machine into the 575. Not a reversible process since you have to cut away (or rather crumble...

For many many years I have been trying to get a nice-ish working LC575 that hasn't had its logic board stolen, and so far have either missed out, been priced insanely high, been missing their boards, or been not working. I have managed to acquire two different complete machines over time and...

I have heard of the baking soda and glue method. Not sure how I'd go about that now that the inside of the screen housing is full of epoxy though, but I'll certainly look further into it. Of course I'd rather leave it original, but I feel like some dark coloured screws wouldn't look too awful...

So i've recently acquired a PowerBook 150 in good shape with the traditional broken right hand side hinge mounts. Following advice from this forum and other sources I attempted to epoxy the screw inserts back into the position they should be in and got everything lined up fairly well and let it...

Cheers, didn't managed to find that thread in my searches. Will take a look when I get some more time to work on it /find diodes etc

Hmm well that one is at least correct, I'll have to go through all the caps and double check the values. I'll see if I can find some diodes to try in the meantime.

Well, I've acquired a second analogue board for next to nothing, swapped caps over and have a similar result..(though the flyback isn't making unhappy noises anymore so yay?)  I'm thinking I've been rather stupid and one of my caps is the wrong value. Can anyone confirm the rating of cp11 ? It...

I have reflowed the deflection coil connector solder joints and also checked the rest of the board over for solder joints, can't see any more at this point. I'll try and grab a video of it tomorrow

Thanks for the advice, I ended up adjusting the pot to see if that would help and the machine now seems to be booting consistently. Buuut the display is still very very unstable and the buzzing noise is still there. I have another analog board on the way, so I think at this point I might pull...

Ok so I've had some more time to work on the classic. I have checked the voltages at the hard drive molex connector and everything seems stable there, 11.7 on the 12v rail and 4.7 on the 5v rail. Would these be low enough to cause issues? The voltages don't fluctuate at all when the machine...

I replaced one of them because while the diode tested ok, it seemed like cap goo had gotten into it and had eaten away at the outside of it, and had left a sticky black residue all over it. Rather than try and clean it I just replaced it with another one I had to hand. 

Haven't checked voltages just yet, however at this point I suspect the issue may lie in the flyback or the circuitry that drives it. While the screen is shaking, the flyback buzzes a little and whenever it resets the flyback clicks and cuts out just before the reset. I've changed all the caps...

No, it did some time back but eventually stopped powering on. Recapped the logic board and that made no difference, recapped the PSU and now have these symptoms UPDATE: so I just tried powering it on again and now the machine boots as it should, single chime, I get display with a cursor and the...

Hi, long time lurker here. I recently recapped my classic ii motherboard and analogue board as it stopped turning on entirely. Now I can get it to power on, but it behaves very strangely.  The machine will power up, give a boot chime, then there will be a "tick" sound from the analogue board...

Hi all, I've spent many many years now looking for an LC575 and a few weeks back I finally found one locally for the price of nothing! Non working but "how bad could it be" I thought. Well.. The battery had started to leak and corrode, as well as the typical 90s and leaky caps. So I cleaned the...