Re: 6567 revisions (was Re: 264/TED/Plus4 Story)

From: Rainer Buchty <>
Date: Thu, 25 Aug 2011 22:07:51 +0200 (CEST)
Message-ID: <alpine.DEB.2.00.1108252204300.3480@localhost>
On Thu, 25 Aug 2011, Gerrit Heitsch wrote:

> The trick to 'fix' the 8580 was to pull the EXT_IN pin (!) to GND via 
> a 330 KOhm or larger resistor... Makes me wonder what that does inside 
> the chip.

It adds the DC level which was (IIRC by mistake) present in the 6581, 
hence you again hear the "crackling noise" when changing the volume 


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Received on 2011-08-25 21:00:12

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