Stable ADC readings

[mister_e]

Nope, sorry. Their service manual makes no mention of it, and the only thing I found was something like,
http://www.jvde.net/pioneer_wired_re...red_remote.htm

Even the original wired remote from Pioneer make no mention of this specific feature
http://www.pioneerelectronics.com/PU...ntrols/CD-MR70

[mazoul72]

Do the diode zener serve to fix no Function if i have no +12V on input regulator ?
Because when i put off +12V , i have a loop function (again and again.....)

[mister_e]

You'll also need to disconect the GND line then. When you apply power to your PIC, the Hi-Z is granted on the output port, while not when you disconnect the power...