[s-cars] Grrr..... Auto-Check is driving me crazy!

[Bjørn Ødegård]

Igor, after how many weeks of driving you insane with intermittent
buzzing did you find the sumbich??

Hehe.. Well, I have also found another place, and that's the connector
between the two stacked PCB's. (right behind the tacho, if memory serves
me well..) remove the offending Torx screws, and flip back the hinged
part. The connector is pretty fine-pitched, but just clean it with
alcohol and a q-tip, and apply _some_ contact grease/enhancer. Should
work for at least two years.. (Mine did, is pretty bad again now..)
Do the work at a near-ESD-safe location, as the computer chip is a c-mos
part, and is unterminated while the cover is open.

Bjorn :o)
'92 S4 MTM (Which doesn't help a bit when it comes to bad connections in
the IC..)


----- Original Message -----
From: "Igor Kessel" <igor at s-cars.org>
To: "Ron Kirkham" <ronk at oparch.com>
Cc: "'Richard Kurtzer'" <saxmaster2112 at yahoo.com>;
<s-car-list at audifans.com>
Sent: Friday, October 24, 2003 2:57 AM
Subject: Re: [s-cars] Grrr..... Auto-Check is driving me crazy!


> Ron Kirkham wrote:
> > Richard,
> >
<snip>
> > but no dice!  Anyone BTDT?  None of the bulbs are out.
> >  WTF!?!
>
> Guys, it's neither the lights, nor the harness. :)
> Open up the cluster, and look carefully at the top board. One of the
> long chips soldered in is the Autocheck. You have a cold solder joint
at
> Pin.1. Touch it up with a soldering pensil.
>
> Now ask me after how many weeks if driving me insane intermittent
> buzzing did I find the sumbich...
> :)
>
>
>
> --
> Igor Kessel
> two turbo quattros



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