diyAudio

diyAudio (http://www.diyaudio.com/forums/)
-   Car Audio (http://www.diyaudio.com/forums/car-audio/)
-   -   Orion HCCA-D5000 (http://www.diyaudio.com/forums/car-audio/223643-orion-hcca-d5000.html)

mbates14 15th November 2012 05:59 PM

Orion HCCA-D5000
 
I just fixed one of these, but i noticed the gain doesnt have any effect. If i flip it from master to slave it has tons of gain, but cant be adjusted either.

There is a PIC16F873 chip on a riser card, Z1 crystal is missing, but the leads are still there. may have been knocked off a one time. Maybe this is the issue.

anyone know its value?

mbates14 15th November 2012 11:41 PM

Guess not....

Perry Babin 16th November 2012 05:47 AM

16MHz

mbates14 16th November 2012 06:52 PM

what would happen if it was missing, like in my case.

Perry Babin 16th November 2012 07:12 PM

I'm not 100% sure because I've never tried removing one. There is a 'digital potentiometer' on the board. In their older amps, that was used to control the level of the audio. If it's used in the same way here and the PIC chip was inactive because the timing crystal was missing, I'd assume that the output would go to the default for the digital pot (100%).

This is just a guess.


All times are GMT. The time now is 08:40 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio


Content Relevant URLs by vBSEO 3.3.2