How NOT to remove capacitors On several youtube channels and forums people are showing how to remove SMT capacitors from a board, with the so called TWIST TECHNIQUE with pliers.. Example on youtube.. And another example.. It may work, but you can’t always see if a capacitor has leaked.. and if a pad is corroded […]
Category: bL0g
Amiga 4000 – A3640 boot problem
A while ago I had an Amiga 4000 that boots fine with an A3630, but A3640 (or A3660) won’t boot. I spent many hours to find the problem, couldn’t find it. So I left the board for a week or two, after that I inspected everything again, and everything seemed ok. There was one thing […]
Amiga 600 – i’m blue daba dee dabba da
The issue On the workbench, an Amiga 600 which has a blue/green screen.. Red is missing. And Audio isn’t working as it should. The cause As I inspected the board I saw very much corroded pins/solder. The red signal is missing, so we focus on the R_out of the CXA1145 encoder. The problem was found […]
Recap NEO GEO
Recap on NEO GEO, also upgraded RGB circuit. Upgrade RGB circuit Changed the 100uF to 470uF capacitors and the 68 Ohm resistors to 75 Ohm to get a better video output. More info: https://console5.com/wiki/Neo_Geo_AES
Recap NEC PCEngine Super Grafx
Did a recap on beautiful machine, the NEC PCEngine Super Grafx (PI-T64). Also performed the jailbar fix. Capacitor list 1uF / 50V C105, C106, C115, C119, C120, C121, C 122, C123, C124, C125 10uF / 50V C107, C118 22uF / 25V C104 47uF / 25V C101, C102, C103, C111, C112 470uF / 16V C117 Jailbar […]