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From: Piero Soldi on 15 Dec 2008 14:35
Andreas ha scritto:
> Hello,
>
> my Tektronix 496 Spectrumanalyzer suddenly doesn't make any digitally work,
> some key-LED's light and a very slow analog sweep can be seen on the screen.
> After looking at the servicmanual and testing the 6800-prozessor good i have
> start the internal self-test by setting the DIP-Switch S1033 on the
> Memory-Board. After Power-On and waiting for a few seconds the ROM-LED
> DS1038 on the Prozessor-Board blinks 16 times, which means that the PROM
> U2023 (160-0838-00, Mostek MK36xxx, 8kByte, same as in 492/492P SN B030000
> & UP) on the Memory Board has tested bad.
>
> Because i'm equipped with an eprom-programmer, it is possible for me to
> program an new eprom myself - i only need the ROM-Image (8K) for the
> defective ROM-Device U2023 (160-0838-00)!
>
> I've asked the tektronix support, but they don't have any ROM Image for the
> 49x-Analyzers.
>
>
> Do any have a 8 kB ROM Image for the TEK 496 / 492 or do know where i can
> get it?
>
>
> Greetings from Bavaria,
>
> Andreas


Andreas, join this group, it is possible that someone can do an image
of ROM you need.

http://tech.groups.yahoo.com/group/TekScopes/join?

Cheers, Piero.




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