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. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > YAHOO! GROUPS LINKS > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Visit your group "PolySix" on the web. > > > > > > > > > > > > > > > > To unsubscribe from this group, send an email to: > > > > > > > > PolySix-unsubscribe@yahoogroups.com > > > > > > > > > > > > > > > > Your use of Yahoo! Groups is subject to the Yahoo! Terms > of > > > > > >Service. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _________________________________________________________________ > > > > > > > FREE pop-up blocking with the new MSN Toolbar get it now! > > > > > > > http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > YAHOO! GROUPS LINKS > > > > > > > > > > > > > > > Visit your group "PolySix" on the web. > > > > > > To unsubscribe from this group, send an email to: > > > PolySix-unsubscribe@yahoogroups.com > > > > > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _________________________________________________________________ > > Is your PC infected? Get a FREE online computer virus scan from > McAfee® > > Security. http://clinic.mcafee.com/clinic/ibuy/campaign.asp? > cid=3963 > > >
Message
Re: Polysix no sound
2005-12-10 by gil_we