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Subject: Re: MAS 3587F: Sync pin not connected?
From: Philipp Pertermann (
Date: 2002-09-08

>> But according to the
>> schematics this pin is not connected. Is that because it is really
>> not connected or just because nobody bothered about that yet?

>I think it may be connected, but just not in the schematics. Open
>your unit, bring out your multimeter and find it! :-)

Yes. I read and obey.

I've been searching and beeping for hours now, but didn't find anything.
Although I find it hard to believe it really seems the SYNC pin is not
connected to any other ic in the recorder.

Also there seems to be a mistake on as in
the table about port B it says that PB15 was connected to the MAS MP3 frame
sync. But according to my multimeter the schematic seems to be right which
says PB15 is connected to /PRTW. Or did I misunderstand something
completely? Like the research note is on the player and I compare it with
the recorder?



Page was last modified "Jan 10 2012" The Rockbox Crew