[s-cars] Auto Check System & door/lights chime

Fri Nov 17 20:19:26 EST 2006

Hi Bob;

I haven't ordered the DigiKey speaker yet. My car exhibits the same symptoms
as yours; no autocheck chime, "lights left on" chime, or door chime.
Sometimes the seat belt warning will chime if I don't buckle up before I
start the car but it sounds kinda sick. Stott pulled his speaker and
identified it as a 4 ohm unit of unknown make. The Radio Shack unit he
replaced it with is a 8 ohm speaker, so he is getting a lower volume. The
DigiKey speaker is a 4 ohm unit which should fit, but as I said I haven't
ordered it yet- still working through higher priority items (block heater
this weekend I hope, and maybe new fuel lines. Then there's that rattle in
the right rear door - and the divers door latch was frozen this morning. I
should get the fuses installed on the coils...*sigh*)

Fred Munro
'94 S4 (all the bugs worked out)
'97 S6 (still a few bugs left)

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Robert Rossato
Sent: November 17, 2006 7:21 AM
To: 'Stott Hare'; 'S-Car-List'
Cc: r0ssat0_987 at att.net
Subject: Re: [s-cars] Auto Check System & door/lights chime

Thanks Stott.  Seems to confirm that the Auto Check system and door
chime are tied to the same speaker.  I thought there was a separate
relay with a speaker for the door chime.  Maybe that's the seatbelt one?
I know there's something back there behind the IC.

Fred - Any luck finding a suitable speaker?

At least I have a spare S6 IC that I can cannibalize, assuming that one
has a working speaker.

Bob

P.S. Not sure why your messages aren't getting through to the list.  May
want to unsub and resub.  Seems to fix things sometimes.  Though I tried
to send my original message yesterday and it got bounced back as spam.
Had to send from my old account.

> -----Original Message-----
> From: Stott Hare [mailto:stott at gwi.net]
> Sent: Thursday, November 16, 2006 1:35 PM
> To: S-Car-List
> Cc: r0ssat0_987 at att.net
> Subject: [Fwd: RE: [s-cars] S6 instrument cluster - dead buzzer]
>
>
> Bob,
>
> A few of us have had this issue.  To date I think that Fred
> and I were the only ones actively chasing a solution.  What I
> ended going with was a 4ohm speaker from radio shack
> (#273-092) which was a drop in replacement in size, but had
> insulated wire leads instead of two long pins and was of the
> wrong ohmage.  Easy enough to strip an solder in the wires,
> but because the rat shack speaker was rated at half the ohms,
> it is half as loud as the stock buzzer.
>
> Fred was chasing an 8 ohm speaker, but it was going to
> require more custom mounting.  I'm not sure where he ended up
> with his end of the experiment.
>
> Below is the thread of information which will have more
> details.  I do have pics available if you haven't ripped out
> your instrument cluster and taken it apart yet.
>
> Stott Hare
> 95 S6A (whadda mean the speaker doesn't work after 240k miles
> and 11 years.... it wasn't made by Bose!)
>
>
> -------- Original Message -------- Subject: RE: [s-cars] S6
> instrument cluster - dead buzzer
> Date: Tue, 17 Oct 2006 22:30:03 -0400
> From: Fred Munro <munrof at sympatico.ca>
> To: Stott Hare <stott at gwi.net>
>
>
>
> Hi Stott;
>
> What I'm looking at is a speaker from DigiKey P/N#
> GCO351P-1-ND. It's a 4 ohm speaker, oblong in shape 16mm x
> 35mm and 7mm thick. Depending on the clearance, it might fit
> in there. It's actually a notebook speaker. Costs ~$6 Canadian.
>
> Fred
>
>
> -----Original Message-----
> From: Stott Hare [mailto:stott at gwi.net]
> Sent: October 16, 2006 11:04 AM
> To: Fred Munro
> Subject: Re: [s-cars] S6 instrument cluster - dead buzzer
>
>
> Any further information on this front?  And for posterity,
> the Radio Shack speaker I used was #273-092.
> -Stott
>
> Fred Munro wrote:
> Hi Stott;
>
> Can you send me a photo of the speaker? I've found a source
> for 4 ohm speakers in this size range; just want to take a
> look at the photo to see what the original looks like.
>
> What was involved in removing the white cover from the back
> of the IP? I took a quick look at mine when I had it out to
> replace bulbs - looked like the instruments may have to come
> out. I couldn't tell how the cover was mounted to the board;
> whether it was clipped in or screwed in from the back.
>
> Thanks!
>
> Fred
> -----Original Message-----
> From: Stott Hare [mailto:stott at gwi.net]
> Sent: October 6, 2006 2:40 PM
> To: Fred Munro
> Cc: s-car-list at audifans.com
> Subject: Re: [s-cars] S6 instrument cluster - dead buzzer
>
>
> I haven't seen any of my replies make it to the list, but at
> least you will have this Fred.
>
> The specs on the OEM dead speaker were thus:
>
> 29mm diameter
> 6mm tall
> (2) 13mm pc-mount pins on the lower rim, spaced 5mm apart
> 4 Ohm
> I talked with several electronic suppliers and came up empty.
>  Everyone seemed to indicate that a 4 Ohm speaker would be a
> special order ( you know the type, requiring an order of 5000
> units etc).  I did manage to find a stray mini-speaker with
> the correct 29x6mm dimensions, but with wired leads and at 8
> Ohm.  The sales person indicated that was a fluke, they were
> supposed to have returned all those items and weren't
> supposed to be carrying them any longer.
>
> I installed this last night.  Barring any markings on the
> original speaker or the instrument cluster circuit board
> indicating positive/negative leads, I installed this with the
> positive lead from the speaker going to the circuit trace
> connecting with a nearby capacitor.  If I remember correctly,
> the worst thing that could happen there would be the speaker
> ending up out of phase.  Big whoop in this application.  The
> downside from using an 8 ohm speaker vs a 4 ohm is the volume
> level.  Twice the resistance, drawing half the current it use
> to, and ending up much quieter.  It's enough to let you know
> you left the keys in the ignition or lights on, but I
> wouldn't trust hearing the warning sound driving down the
> road with radio up or windows down.  But replacing the
> speaker did resolve the initial issue of no noise at all.
>
> Of course I left my Radio Shack part number at home.  I can
> send this along as well if anyone wants it.  ~$2 for their speaker.
>
> For reference, one alternative supplier that was helpful was
> International Components Corporation (www.icc107.com).  They
> sent me two samples they thought might be close, (S100RMF-PCR
> and S125RL-M).  Neither however was a drop in fit to the OEM
> speaker mount as the Radio Shack part was (the first being
> smaller with the PC mount leads too far inboard, and the
> latter being too large in diameter and without wires what-so-ever)
>
> I do have pictures available should anyone want them.
>
> -Stott Hare
> 95 S6A (now beeping away quietly)
>
> Fred Munro wrote:
> Hi Stott;
>
> I also have this problem but haven't dug into it yet. I was
> waiting for you
> to do the legwork! :) My guess is that the chime from the S4
> might work if
> you remove it from the double length relay housing it's
> mounted in. That was
> going to be my Plan A anyway.
>
> Fred Munro
> '94 S4
> '97 S6
>
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Stott Hare
> Sent: October 2, 2006 12:03 PM
> To: s-car-list at audifans.com
> Subject: [s-cars] S6 instrument cluster - dead buzzer
>
>
> So if I recall correctly, Bob Myers had this problem a while
> back with a
> dead buzzer, as did a few others (myself included).  I finally got
> bored/curious, so I pulled out the IC this weekend,
> disassembling it and
> removing the offending buzzer.  I'm curious if anyone has found an
> acceptable replacement for this speaker/buzzer yet?
>
>  I've dropped it off at my local electronic whiz parts
> supplier in hopes
> they can locate a suitable replacement.  The speaker I
> removed was (from
> memory) about 27mm in diameter, 7mm thick with 2 long (~15mm pins)
> leads.  The leads were soldered to a small pad, which appears to have
> been epoxied to the rear of the buzzer.  The pad was loose, and there
> were no visible wiring leads to the speaker, so I'm guessing an
> inductive device.  The speaker clipped into a plastic housing, which
> clipped into the IC circuit board, and the two leads, after passing
> through the housing and the circuit board, were soldered to
> the circuit
> board behind the fuel gauge.  The only identification mark
> was a screen
> printed number 4 on the speaker magnet, nothing really indicating a
> manufacturer or a part number.
>
> I'll post up if I find a replacement, but I'm really curious if anyone
> else has already done this legwork.
>
> Thanks!
> Stott Hare
> 95 S6A
>
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>
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