I think it is a standard part for simple diy circuits, the ones
students usually build. You should be able to find it at a local
electronics shop I think
--- In
PolySix@yahoogroups.com, "hansomchaam" <hansomchaam@y...>
wrote:
>
> Hello,
> Every suggestion from everyone given to me (thanks) I have tried
but
> still no sound.
> The problem seems to be in the 8048 processor on KLM367. The
> outputsignal on pin 19 (DB7) has his pattern but some levels are
> higher than + 5 volt, it looks like an open line (not terminated),
> when I pull down it (10 k) it's gone but why??
> So I'm thinking on replacing the processor and asking is this still
> for sale somewhere (or replacement).
> Please give me suggestions (where to buy).
> Thanks,
> Han.
> --- In PolySix@yahoogroups.com, "FRANK SPANO" <fspa8724@m...> wrote:
> >
> > Thanks, I'll try that
> >
> >
> > >From: "lnz2166" <lnz2166@y...>
> > >Reply-To: PolySix@yahoogroups.com
> > >To: PolySix@yahoogroups.com
> > >Subject: [PolySix] Re: Polysix no sound
> > >Date: Tue, 06 Dec 2005 06:59:25 -0000
> > >
> > >
> > >
> > >
> > >
> > >This might sound trivial but is your power supply output all in
> > >
> > >check. In addition have you checked the the solder pads on the
> power
> > >
> > >connectors. I had and issue with one poly6 where the 15v solder
> pad
> > >
> > >on the connector was lifted. Also do a sanity check and make
sure
> you
> > >
> > >chips are all getting proper voltages. Check old crows site for a
> > >
> > >scanned service manual.
> > >
> > >
> > >
> > >http://www.oldcrows.net/
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >--- In PolySix@yahoogroups.com, "FRANK SPANO" <fspa8724@m...>
> wrote:
> > >
> > > >
> > >
> > > > I have a similar problem. Does anyone have a scanned service
> manual
> > >
> > >I can
> > >
> > > > get emailed? Greatly appreciated
> > >
> > > >
> > >
> > > >
> > >
> > > > >From: "gil_we" <gil_we@y...>
> > >
> > > > >Reply-To: PolySix@yahoogroups.com
> > >
> > > > >To: PolySix@yahoogroups.com
> > >
> > > > >Subject: [PolySix] Re: Polysix no sound
> > >
> > > > >Date: Mon, 05 Dec 2005 08:56:38 -0000
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >I think the service manual have this information...
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >--- In PolySix@yahoogroups.com, "hansomchaam"
> <hansomchaam@y...>
> > >
> > > > >
> > >
> > > > >wrote:
> > >
> > > > >
> > >
> > > > > >
> > >
> > > > >
> > >
> > > > > > Thanks for reply, I fixed the battery problem as
described.
> > >
> > > > >
> > >
> > > > > > I checked (again) all connections/signals with an
> oscilloscoop.
> > >
> > > > >
> > >
> > > > > > I don't see any output, also no gate signals when key-
> stroke on
> > >
> > >ic5
> > >
> > > > >
> > >
> > > > > > KLM-366.
> > >
> > > > >
> > >
> > > > > > What shape must be on TP2 KLM367?
> > >
> > > > >
> > >
> > > > > > Thanks for your help.
> > >
> > > > >
> > >
> > > > > > Han
> > >
> > > > >
> > >
> > > > > > --- In PolySix@yahoogroups.com, "gil_we" <gil_we@y...>
> wrote:
> > >
> > > > >
> > >
> > > > > > >
> > >
> > > > >
> > >
> > > > > > > How are the main voltages ? Has the battery leaked ?
> > >
> > > > >
> > >
> > > > > > >
> > >
> > > > >
> > >
> > > > > > >
> > >
> > > > >
> > >
> > > > > > > --- In PolySix@yahoogroups.com, "hansomchaam"
> > >
> > ><hansomchaam@y...>
> > >
> > > > >
> > >
> > > > > > > wrote:
> > >
> > > > >
> > >
> > > > > > > >
> > >
> > > > >
> > >
> > > > > > > > Hello,
> > >
> > > > >
> > >
> > > > > > > > Again here is a polysix with the "no sound at all"
> problem.
> > >
> > > > >
> > >
> > > > > > > > When I measure with oscilloscoop on KLM366 (new) ic 9
> pin 1
> > >
> > > > >
> > >
> > > > > > there
> > >
> > > > >
> > >
> > > > > > > is a
> > >
> > > > >
> > >
> > > > > > > > constant pattern but not a 0.5 V/oct. Keystrokes has
no
> > >
> > >effect
> > >
> > > > >
> > >
> > > > > > at
> > >
> > > > >
> > >
> > > > > > > all,
> > >
> > > > >
> > >
> > > > > > > > processor 8049 gives signals on DB0..DB8. Also no
> output on
> > >
> > > > >
> > >
> > > > >gate
> > >
> > > > >
> > >
> > > > > > > 0...3
> > >
> > > > >
> > >
> > > > > > > > = pin 15,10,7,2 ic 5 on keystroke.
> > >
> > > > >
> > >
> > > > > > > > Does anyone has suggestions.
> > >
> > > > >
> > >
> > > > > > > > Please help me, I look forward to hear the nice sound
> again.
> > >
> > > > >
> > >
> > > > > > > > Thans,
> > >
> > > > >
> > >
> > > > > > > > Han.
> > >
> > > > >
> > >
> > > > > > > >
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> > > > >
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >
> > >
> > > > >PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
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