Re: VECTOR: TECH: Tempest Mathbox "M" error
Rodger Boots <[email protected]>
| Newsgroups | gmane.games.arcade.vector |
|---|---|
| Message-ID | <[email protected]> |
By "Also reflowed solder to the connector plug to no avail." you mean on the main board, right? Steve P. wrote: > Hi. > > Thanks for the reply. I'm using the cable that's attached to the good set >of PCBs, so the cable should be good. > > I've swapped the bad AUX board onto my good PCB using the interconnect >cable that was attached to the good main PCB. I've swapped all of the >socketed chips on the AUX board and still get the "M" error on the self >test. Also reflowed solder to the connector plug to no avail. > > > >-Steve P. > > >----- Original Message ----- >From: "Paul Maddern" <[email protected]> >To: <[email protected]> >Sent: Monday, August 09, 2004 11:59 AM >Subject: RE: VECTOR: TECH: Tempest Mathbox "M" error > > > > >>Have you checked your interboard connect cable? "M" isn't a specific >> >> >error, > > >>it just means Mathbox failure - if you're swapping in known good ALUs in >> >> >and > > >>everything on the AUX board 'looks' okay that's the first place I'd look >>myself. >> >>Pobster >> >>-----Original Message----- >>From: [email protected] >>[mailto:[email protected]] On Behalf Of Steve P. >>Sent: 09 August 2004 16:35 >>To: [email protected] >>Subject: VECTOR: TECH: Tempest Mathbox "M" error >> >> Well, the Tempest board that I posted a tech question to the list about >> >> >the > > >>other day lasted about 15 hours before dying again. I do have a spare >> >> >board > > >>on hand which makes troubleshooting a bit easier. The main board seems to >>have blown out the XY circuitry again (the TL082 and/or MC/SG1495s). The >>AM6012s are good as my PCBs are socketed there and I can swap the chips to >>my good board set to test. I am going to socket the TL082 and MC/SG1495s >>this time around and we'll see if replacing those fixes the main board >>again. >> >> The AUX board on the now bad PCB set I swapped over to the good PCB and >> >> >now > > >>get a "M" mathbox error on the self test. I've swapped all of the >> >> >socketed > > >>chips on the AUX board with those from my good AUX board and still get the >>"M" error. I've reflowed solder to the interboard connector plugs and >> >> >still > > >>get the "M" error. Any ideas on where to start on with one? >> >> Thanks in advance! >> >>-Steve P. >> >> >>-------------------------------------------------------------------------- >> >> >- > > >>** Unsubscribe, subscribe, or view the archives at >> >> >http://www.vectorlist.org > > >>** Please direct other questions, comments, or problems to >> >> >[email protected] > > >> >> >>-------------------------------------------------------------------------- >> >> >- > > >>** Unsubscribe, subscribe, or view the archives at >> >> >http://www.vectorlist.org > > >>** Please direct other questions, comments, or problems to >> >> >[email protected] > > > > >--------------------------------------------------------------------------- >** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org >** Please direct other questions, comments, or problems to [email protected] > > > >