• Hello MLAers! We've re-enabled auto-approval for accounts. If you are still waiting on account approval, please check this thread for more information.

Recent content by ochim

  1. O

    Macintosh Plus Analog Board Q12 replacement

    Hi Ferrix, thanks for tips, I will start to check those tomorrow. I believe it will take time from me to find the circuits from the board so I would really appreciate if you could point me where they are actually located. 
  2. O

    Macintosh Plus Analog Board Q12 replacement

    Thanks Macalle69 for giving me a good start. My analog board is international 240V. I did find that R53 and R54 were dead. About Q10 I am not sure if it is fine, as my dmm shows that b->e and e->b are shorted when tested in diode mode. C to emitter or base shows readings when minus lead...
  3. O

    Macintosh Plus Analog Board Q12 replacement

    Hi! I just bought macintosh+ and it also has blown fuse and Q12 EO122. Did I get it right that there's 2 ways yo fix it? 1. Change it to brx45 and add 1k 1/4w resistor into central pin like macalle69 did or 2. Change it to brx49 and replace R50 with 1k1-1k2 resistor Many thanks for your...
See more
Back
Top