Category Archives: RetroGameModz

Locating a bad chip on a PCB using hot and cold air

This Amiga CD32 had a bad audio DAC (LC78835M) which caused a lot of noise in the audio outputs.
In this video, I demonstrate the troubleshooting technique that I used to find out that this chip is faulty and needs to be replaced.
This Amiga CD32 has now been repaired and is Continue reading Locating a bad chip on a PCB using hot and cold air

Repair tip – What to look for on corroded through-hole PCBs

Among electronic enthusiasts and retro collectors, it is not uncommon to find corroded PCBs that are in need of attention. When it comes to corroded PCBs that are using through-hole technology, where would we start looking for broken connections?
The purpose of this video is to give you a few quick Continue reading Repair tip – What to look for on corroded through-hole PCBs