Recent content by Danny Avila

  1. Danny Avila

    JBL PRX series auto-off disable?

    Hi 🖖. The input module has an OpAmp circuit that senses the signal level and translates it to a positive voltage in the correspondent CPU pin, so it can control the obnoxious power saving option of this particular batch of PRX700 Series. As I have not any one of these at hand by now, I can't...
  2. Danny Avila

    Audiolabs of Georgia

    As it is hard to break a Lab.gruppen device, there aren't many Service Centers around to fix them and unfortunately for both of us, we are located a zillion miles away to have your PLM sent in for service. Music Group is sort of "new" to Lab.gruppen service process, but their CARE network could...
  3. Danny Avila

    PM5d won't boot

    Yamaha PM5D and M7CL Main CPU uses I2C data protocol to communicate with other MCUs in different control surfaces. This is a common Data Bus line for all the surfaces and peripherals so, if one of the surfaces has issues initializing firmware and flags this Data Bus as "Busy" while trying to...
  4. Danny Avila

    Crown Xti2000 firmware

    Hi Marcel Jansen. I've serviced this XTi platform for years and all sort of Firmware odds and bugs during boot up process came in a vast majority from corroded cooper traces or drills around the CPU or DSP ICs. Moisture/dew coming in from front grille (condensation in some cases), can destroy...