Hello,
Still no sound, every chip has his power, setup from tape seems to
work correctly (bank 1..8 lit up) so I think the problem is somewher
on KLM366 (new prod). No gate signal on pin 15 ic5, also no 0..3,5 v
on pin 1 ic9 so what can I do......?
--- 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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