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Rockbox mail archiveSubject: Re: Hardware Question(s)...Re: Hardware Question(s)...
From: Linus Nielsen Feltzing <linus_at_haxx.se>
Date: Mon, 14 Jun 2004 06:52:13 +0200 stuart wrote: > Please correct me if I am wrong, but the ISD 200 is a 3 volt part and > there are pages (specifically the pages at funmp3players.com) that talk > about adding a standard 5 volt hard disk drive... What's up with that? The 5V parts (the hard drive and the backlight) are powered directly from the battery, while the other parts are powered by a voltage regulator. The power supply parts are not shown in the Jukebox 6000 schematics. > Hum, lots of questions, I know. But, could someone tell me about the > schematics on the http://rockbox.haxx.se/schematics page? Is the > "Junkebox 6000" schematic the 3rd revision of the Jukebox Recorder? ^^^^^^^^^^^^^ Freudian slip? :-) The Jukebox 6000 is the Player/Studio model, not the Recorder. > And the link to the schematic below called "Jukebox Recorder" the 2nd > revision? I ask because in what I think is the 2nd revision the ISD 1.8 > core and 3.3 edge voltage pins are all connected to Vcc. But in what I > think is the 3rd revision, none of the pins are connected. Interesting... Those schematics are far from complete. They were made by following traces with a multimeter, and only the parts that were interesting back then were measured. All digital parts are 3.3V, except the hard drive, the backlight and the USB line drivers. Linus _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockbox Received on 2004-06-14 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |