Fw: Identify this IC device....anyone?

[Tom Baldwin]

Reply to original poster. I found this in another newsgroup and thought
someone here could probably help him.

----- Original Message -----
From: BK <bkahle at hotmail.com>
Newsgroups: alt.guitar.amps
Sent: Wednesday, December 08, 1999 3:23 PM
Subject: OT: Identify this IC device....anyone?


> Hello:
>
> I've been plodding through the repair/destruction of a Tycobrahe
> pedalflanger that I do not have a schem. for. I recently found some faulty
> components and got the oscillator ticking again, but the thing is still
not
> working correctly to produce the effect. There is one IC that I haven't
been
> able to identify and was hoping that someone had at least a pinout for. It
> is labelled "147200" followed by "69" beneath that. Besides the
> Matsushita/Panasonic logo, that is all that is on it to ID it. I know that
> these guys (Panasonic) produced some cmos bucket brigade devices but the
> device manual that I have has no part numbers like this at all...they all
> have a "MN-" prefix. It also could be a standard "MN3000-series" device
that
> Tycobrahe had labelled with their part #. --in that case I'm sunk!
>
> I *think* that this is a delay line by the signals that I find on the
> pins....(square wave [clocks] and also my applied sine wave makes an
> appearance as well)...but without a pinout, I can't tell exactly what is
> what and if a delayed signal is actually coming out. It may be a stretch
> inquiring here, but I have a good amount of time into it and am too
stubborn
> (pronounced "stupid") to give up on it.
>
> Thanks for anything,
> Bill
>
>
>
>