Amiga 1200 black screen on RGB output
Black screen on RGB output can be a broken E263R Ferrite Bead (FB200). Monitor won't get into RGB mode if there is no 5V on pin 23. I have seen…
Amiga 600 IDE port replacement
Amiga 600 with HD boot problems. This board had a recap because it leaked from the caps. Some electrolyte leaked under the IDE header and a corroded the pins. Sometimes…
CD32 – blown with wrong supplied power.. and a bug..
CD32 came in for repair, owner accidentally hooked it up to wrong psu.. Result, machine not working anymore.. R801 (0 Ohm) was broken, it was floating between 150 - 1M…
A600 – no boot – capacitor acting like resistor
Amiga 600 which didn't boot. Did some measurements on the 555 timer ic's, and I saw the trigger threshold was too low, 1,2 Volt. It should be some where around…
A600 – Monochrome signal on composite
Amiga 600 came in for repair and recap. Beside the recap this the machine had a problem with the composite video signal, it was monochrome. Problem: bandpass filter Z221 was…