Re: Resistor/Fuse replacement (DEC H7104-D)

2016-03-23 Thread Mattis Lind
2016-03-22 20:47 GMT+01:00 Noel Chiappa : > > From: Josh Dersch > > > I have no excuse, I just get nervous working on these things. > > I should hope you do get nervous! Anytime one is working around equipment > that > contains lethal voltages, one _should_ be nervous! It helps with... >

RE: Looking for I/O specs HP 9000/236 - 9836CU

2016-03-23 Thread Rik Bos
> -Oorspronkelijk bericht- > Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Pete Lancashire > Verzonden: woensdag 23 maart 2016 4:24 > Aan: General > Onderwerp: Looking for I/O specs HP 9000/236 - 9836CU > > I just acquired one of the guys w/o a display > > Looking for the sp

RE: Looking for I/O specs HP 9000/236 - 9836CU

2016-03-23 Thread tony duell
> Tony, reverse engineered the HP 9836C (and a lot of other HP equipment) he > made the diagrams available through the HPCC. > It's part from a great collection of HP diagrams including calculators > computers > and peripherals etc.. http://www.hpcc.org/cdroms/index.html It was decided by the

RE: Looking for I/O specs HP 9000/236 - 9836CU

2016-03-23 Thread tony duell
> > I just acquired one of the guys w/o a display > > Looking for the spec's of the display connector. > > I have what I believe to be the pinout but nothing on timing, scan rates, > levels etc. If it is a CU -- that is it has a colour video board set in it -- then it is a bit strange. There a

TI Silent 743/745 question.

2016-03-23 Thread Cohen, Corey A
I'm trying to troubleshoot a TI silent 743/745. When you press the "rubout" key should it print anything like an underscore? Besides sending the rubout character, what does the actual print head do? Backup? Print an underscore? Thanks, Corey corey cohen uǝɥoɔ ʎǝɹoɔ Mobile: +1 917 747 1408

Re: TI Silent 743/745 question.

2016-03-23 Thread Chris Elmquist
On Wednesday (03/23/2016 at 02:03PM +), Cohen, Corey A wrote: > I'm trying to troubleshoot a TI silent 743/745. When you press the "rubout" > key should it print anything like an underscore? Besides sending the rubout > character, what does the actual print head do? Backup? Print an unde

Re: TI Silent 743/745 question.

2016-03-23 Thread Chris Elmquist
On Wednesday (03/23/2016 at 09:25AM -0500), Chris Elmquist wrote: > On Wednesday (03/23/2016 at 02:03PM +), Cohen, Corey A wrote: > > I'm trying to troubleshoot a TI silent 743/745. When you press the > > "rubout" key should it print anything like an underscore? Besides sending > > the ru

Re: TI Silent 743/745 question.

2016-03-23 Thread william degnan
On Wed, Mar 23, 2016 at 10:37 AM, Chris Elmquist wrote: > On Wednesday (03/23/2016 at 09:25AM -0500), Chris Elmquist wrote: > > On Wednesday (03/23/2016 at 02:03PM +), Cohen, Corey A wrote: > > > I'm trying to troubleshoot a TI silent 743/745. When you press the > "rubout" key should it pri

Re: TI Silent 743/745 question.

2016-03-23 Thread Chris Elmquist
On Wednesday (03/23/2016 at 12:57PM -0400), william degnan wrote: > > > > The terminal sends ASCII 0x7F when you press RUBOUT. This is a > > non-printing > > character locally but the remote system can send back whatever it likes > > in response to receiving that 0x7F. > > > What happens when you'

FS: Fulcrum IMSAI 8080 clone system

2016-03-23 Thread Sellam Abraham
I'm selling this interesting off-shoot of IMSAI history. It's a Fulcrum Data Systems IMSAI 8080 clone in turnkey configuration. Fulcrum was started by Bruce Wright of WW Component Supply, who competed with Tom Fischer to buy remaining inventory at the IMSAI bankruptcy sale in the early 1980s

Opening up PSU for Olivetti M24

2016-03-23 Thread Robert Jarratt
I have just acquired an Olivetti M24. I want to inspect the PSU and I have removed it from the machine. But I am struggling to remove the only seemingly removable panel. This is the one with the mains socket and the on/off switch on it. It looks as if it might be hinged at the bottom, but it won't

PDP-8 panels

2016-03-23 Thread Rod Smallwood
Hello Guys. To say I'm pleased with the comments on the batch just shipped would be an understatement. However you cant just rest on your laurels. _Batch now in production_ The next batch is already underway and the quantity increased to thirty, It will consist of 8/e (A an

DEC H7104-D debugging...

2016-03-23 Thread Josh Dersch
On 3/22/16 12:29 AM, Mattis Lind wrote: such good luck. No smoke or fire, but now I get nothing at all out of the supply. The whine is gone, but there's nothing output at all. The fuse/resistor didn't blow (it's still got continuity across it) and the transistor I replaced is still fine, but t

Re: Reproduction 8/e panel from Rod Smallwood

2016-03-23 Thread Mike Barnes
On Fri, Mar 18, 2016 at 8:00 AM, Michael Thompson < michael.99.thomp...@gmail.com> wrote: > I received my reproduction 8/e panel from Rod Smallwood (aka "panelman") > this week. It looks spectacular compared to the peeling paint on the > original. Rod did not drill the hole for the rotary switch b