Hello again everyone! My Macintosh Classic is still being a pain in the backside. Today I replaced DP 3, 4 and 6 (though I've not done the opto isolator yet), and I'm still having issues. Screen shaking and taking a long time to reach a bootable voltage as per this thread from early October...
The Macintosh Classic I've been working on is now done. All the large electrolytic caps on the analogue board and the caps on the logic board were all replaced. Voltages measure stable and within spec from the floppy disk port. C2 on the CRT neck board was also replaced.
However I've noticed...
I'm now faced with a new problem trying to repair my Macintosh Classic. In a previous thread I thought I had worked out that DP7 had failed since there was a short over the diode. I removed the diode and tested it completely out of circuit. It's fine and works perfectly. There was still...
I've done a recap of both the analogue and logic board in a Macintosh Classic. Triple checked all the capacitor values and orientations and they're fine.
First time switching it on I heard the speaker crackle into life, but there was no chime. The speaker after a few seconds tried to make...
I scored a IIci for super cheap (GBP£30). No floppy drive, no hard disk, no drive cage, no reset/interrupt buttons and no PSU, but the motherboard looks super clean and just needs a recapping.
Since I'm also in the process of restoring two Macintosh Classics, one of them beyond repair (battery...
Hi everyone.
I'm a complete newcomer to the world of classic macs and I recently bought two (sold as not working) compact classics for peanuts from an apple repair shop here in the UK. One was beyond saving (battery exploded, tube smashed) but had a sections of good parts inside (80MiB quantum...