HP Vectra PSU not working

PSU Brand: NMB Partno.: J09PA-01204060D Transistor Q20 (BUX86P) was broken, it was getting hot as I look at the board. There was glue arround Q20 & R201 that came very very hard. My guess is that because of the glue the pins of Q20 have been pulled out of the solder joints and caused even […]

Read More

CD32 – Totally dead

Got a Amiga CD32 for repair. It doesn’t work, no video output, power LED does not fully illuminate on powering up the machine, so no reset on Power cycle. First thing that came up in my mind was the voltage detector, replaced it and the machine boots again. But video output is totally mangled. Checked […]

Read More

Amiga CD32 – works for 2-5 minutes

Problem Amiga CD32 was getting black/gray screen after 2-5 minutes. Solution The voltage at the voltage detector (U14) was getting under the threshold of 4.3V, which causes that the reset signal was pulled down, and causes the black/grey screen. I replaced the Voltage detector (u14), the 10K resistor (R629) and capacitor (C629). The last two […]

Read More

Amiga 600 in reboot loop

Amiga 600 which was constantly rebooting. I got this machine as a repair, someone before me tried to do a recap to the machine.. After that it was not working anymore. First thing I tried was to replace the 555 Timer (U14) and the C612 Capacitor, because this is common problem on an Amiga 600. […]

Read More