Re: About the Datassette update

From: Daniele Gratteri (
Date: 2003-03-19 07:43:50

----- Original Message -----
From: "William Levak" <>
To: "CBM Hackers" <>
Sent: Wednesday, March 19, 2003 5:37 AM
Subject: Re: About the Datassette update

> There is a 1984 Techtopics that list changes to the board.  It should be
> on funet somewhere.  C4 is changed to 470pF and C9 (.0033uF) is added
> across R1 and R2.

I know, it is the one in the link I posted. But, how can I identify the
resistors? There's written nothing on the PCB... I downloaded a schematic
and I think I have found the right resistors but they are connected
differently to the AN6562: could it be because my PCB is the NP-090B while
the schematic refers to the NP-090?

My NP-090B PCB uses two AN6562 op. amp. and a 74LS14.
      __                                                  ____
     /// Daniele Gratteri, Italian Commodore-Amiga user  / ___|____
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\\\/// Nickname: FIAT1100D - ICQ: 53943994    FOREVER!  | |___|___\
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