shaun

I've tried hundreds of button combinations, still can't figure out "OK+POSITION". Someone at Pioneer is laughing at me right now. I also tried using my CNDV-20 disc (v2.5), but that didn't help either.

Ok, I got rid of the "NG" by swapping the dvd drive out from my original (bad) unit... turns out the new unit had a bad dvd drive. Now it says "US English [ 3.03 ]". Still can't figure out "OK+POSITION"... Anyone?

I just tried to downgrade a replacement AVIC-90DVD (I had one that stopped powering on) to the CNDV-40R (WEST) disc. I assume I need to downgrade because it just shows a white screen that says "Insert a valid disc". Following the above instructions worked, I made it to the "test mode" menu, "Program forced write" is now #8 on the second screen of menu items... Boot = 2.01 OS = 3.02 GPS = 2.30 When I select "System Program", it shows me a list of all the languages, but everyone has "NG" at the end, for example: "US English [ NG ]" If I select "US English", it wa

Thanks! I bought a used AVIC-90DVD with a broken bezel on ebay for $65! My install has it under the rear seat, so broken bezel is fine by me.

I have an AVIC-90DVD nav unit in my car that is connected to an AVH-P7490DVD system (which has an AVX-P300DVD head unit) via the IP-BUS interface. The AVIC-90DVD is also connected to a constant NAV display screen (which is also non-touch) via the CD-RGB26P unit and then RCA cables. This setup had been working great since it was installed in 2002, but about a week ago my AVIC-90DVD randomly died... and I can't seem to figure out why. The unit is getting power, it just doesn't turn on anymore. I've looked on eBay for replacements, and found one - but it has been upgraded to the 2008 map d