Some time ago this Yaesu VX8 of a friend of mine died while transmitting, no display, no LEDs, no charging light.

Last week I took it apart to see if it could be fixed.
I traced the voltage rails in the service manual, the micro controller voltage was completely dead. I suspected the LDO regulator, but it turned out to be a reverse protection diode. I don't have SMD diodes, but there was enough space to fit a similar DO diode 🎉
The VX8 is still a great radio, I also have one
#vx8 #yaesu #repair