Recent content by PPZ

Thank you for answer, but finally I resolved the problem (although I still have issues with logic board). Well, it seems someone was "cooking" something in my Classic, and swapped either analog board, either CRT with yoke. After extensive research, I realized that I have rev.B analog board, and...

No one? I have so far replaced: - LM317T - IRF740 HOT - BYV26B diode - all of the BC558/548 transistors - 2k2/1W resistor which supplies the TEA2037A IC Unfortunately no change, and I am at the dead end. The only thing more I am willing to do is to change the yoke if I find one in Europe, and...

Hello, I am a new member. Sorry to dig this thread, but I have exactly the same problem with my Mac Classic. My analog board is 630-0525. I received it with leaky capacitors, which I have replaced. Also, voltage regulator LM339 had cold solders, so I fixed that. After powering on, with the yoke...