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Hello, I'm looking for Macintosh LC logic board schematic, not LC II / III / 475. Does anyone have it ? Thank you

Hi everyone, I got a Mac IIsi which was said to have bad PSU, I was about to disassemble and recap but I found that the previous owner omitted saying me that someone opened it and instead of fixing it, made more damage. At this point I'm going to use an ATX PSU, does anyone have the IIsi PSU...

Hi guys, I clearly remember when I have first seen the soft power on Macintosh II as it was today. I loved it. Last day I was replacing the PSU on a Mac SE/30 ( my most loved compact Mac ), I have put in a Seasonic PSU, as already done by other people, then I was wondering… it would be...

Hi, I got another Mac Color Classic, and it won't power on. The issue is on the logic board, swapping with another Color Classic logic board works. I fully recapped the Logic board and the board itself is not looking too bad, pics attached.. ideas? thank you !

Hi, I have just finished recapping of a Sony psu inside Mac SE/30, but before powering on the PSU I would like to triple check the cap polarity, does anyone have the PSU picture with polarities ? thank you Amedeo

Hi, One of mine SE/30 emits this bad trimmed startup chime, I also triggered death chime by pressing interrupt, it also gets emitted weird. Also the display would be full of vertical lines like jail Any ideas ? Thank you

I have I recovered a Mac LC in a garage, when I opened it I see that there were no battery installed, which is good, but after a deeper inspection I realized that capacitors did a quite big mess. Do you think I can try to recover it ? Thank you Amedeo

Hi all, I have the DayStar power cache on my SE/30, thank you @Bolle I'm curious about one thing, I have FPU on daystar, but If I remove the FPU on card would the Mac use the FPU on logic board ? My guess is that PowerCache takes over the entire CPU/FPU, but asking just to be sure. Thank you

Hi all I have seen a video by @JDW about color classic resolution upgrade. Do you know if that mod would interfere with Apple IIe board which uses res by 560x384 ? Thank you Amedeo

Hi, I have already posted this, but now for different scope. I realized, as some of you advised that is not worth repair. By the way instead of trashing it if anyone wants it for parts ( may be some chips / rom ), just ask. No charge, free. Only postal expenses, please consider that I live in...

Hi guys, I’m wondering if we could move the Color Classic crt to a Mac SE/30, a color video board would be needed, and also a new analog board needs to be built. Too crazy?

Hi, Starting today my color classic stopped working properly. It always catches error 11 just before loading Finder. I tried several boot disks. Same issue. Error 11 seems to be: SDM could not be initialized. What is SDM ?? Do you have any idea? Thank you

Hi, I’m unable to boot my ”emulated” Apple IIe from any floppy via FloppyEmu, no boot device error. Any ideas ?

Hi, my friend Mac Classic had a battery leak, and I guess it happened long time ago. The logic board is really messed up. Do you think there is any recover path? Thank you.

Hi, does anyone ever heard this sad sound ? There is a tone before the sad sound. what does it means ? Thank you

Hi, I have both a Mac SE/30 and a Mac Color Classic, Color classic is cool, but my love is SE/30, recently and I wanted to install NetBSD, SE/30 has 80Megs of RAM, and I mounted Rominator on it. Now the funny thing is that I unable to format the disk with the mkfs utility provided by netbsd (...

Hi, I have noticed that a few of my old compact Macs no longer have the usual display brightness, it lowered a lot. Moving the knob. At maximum level is not too bright and it goes fully dark a lot before turning the know to zero. Let say knob from zero to middle results in a black screen. And...

Hi, one of my Mac has this weird flickering, For sure something in the analog board, or may be power supply, ideas ? Thank you

Hi, do you think it is possible to grab the board video out from a compact Mac and convert it to standard VGA ? On J12 there are HSYNC/VSYNC/VIDEO. It should be possible to convert to VGA… I guess… ideas ? Thank you

Hi, on an SE/30 I had checkerboard issue with no chime, I figured out the rom pins were corroded, replaced the rom and now it runs fine. Do you think there is a way to fix the pin header on the rom board? thank you Amedeo