Correction https://www.vintagecomputer.net/digital/VR-260/ B
On Mon, Aug 10, 2020, 2:28 PM Bill Degnan <billdeg...@gmail.com> wrote: > I just remember wrestling with one of those and determined I did not have > a matching system. So I traded for something else about 2 years ago, or > so. Mine is photographed on vintagecomputer.net/dec/vr260 I believe > Bill > > On Mon, Aug 10, 2020, 1:53 PM Douglas Taylor via cctalk < > cctalk@classiccmp.org> wrote: > >> That's a very interesting comment, got me to thinking. The VR150 was >> connected to a working Vax Station 3100 with the proper DEC cable and I >> observed the non-working behavior. However, the color RGB output from >> the VS3100 works just fine, I boot the machine into VMS and runs just OK >> (but using a different monitor and video cable). >> >> In the VS3100, at least the one I have M78, I think the monochrome video >> output is separate from the RGB outputs. I wonder if that part of the >> video circuit is not working correctly? >> >> I understand your comment about the rate, the VR150 is a non-standard >> video refresh rate. I think it is hard wired just for the DEC video >> output. >> >> Doug >> >> On 8/10/2020 1:37 PM, Bill Degnan via cctalk wrote: >> > One comment...if you don't have the correct cable and a system that is >> set >> > for the correct refresh rate, it may appear that the monitor does not >> > work. Be sure you have compatible equipment. This was a specialized >> > display. >> > Bill >> > >> > On Mon, Aug 10, 2020 at 1:19 PM Douglas Taylor via cctalk < >> > cctalk@classiccmp.org> wrote: >> > >> >> Josh; >> >> >> >> I have a DEC VR150 that is nearly functional; shows full screen but the >> >> H/V are not in any sync at all. Would love to use it with a VaxStation >> >> 3100. >> >> >> >> Opened it up and found it quite a complicated monitor, not like a >> simple >> >> PC monochrome monitor. >> >> >> >> Purchased a microfiche manual off ebay, but haven't been able to view >> it >> >> yet. >> >> >> >> Eager to hear how you do with your larger monitor. >> >> >> >> Doug >> >> >> >> On 8/9/2020 3:10 AM, Josh Dersch via cctech wrote: >> >>> Hi all -- >> >>> >> >>> Picked up a non-functional but otherwise nice looking DEC VR260 (19" >> b&w >> >>> monitor) on the cheap, hoping to use it with my VAXstation 2000. From >> >> what >> >>> I've read, these were never the most reliable displays. Curious if >> >> anyone >> >>> has any information on common failure modes, or has service docs >> >> squirreled >> >>> away somewhere. I've at least found schematics, so I have something >> to >> >> go >> >>> on, but it's not exactly the most straightforward design I've poked >> at. >> >>> >> >>> Right now when powered up I hear a repeated low hum from the >> transformer >> >>> followed by a soft ticking noise so I'm guessing I've got power supply >> >>> issues at the very least. Unsure what I should expect the monitor to >> do >> >> if >> >>> it's not being fed a valid video signal (I haven't yet tried to hook >> the >> >>> VS2000 up to it) -- whether it'll go into free-running mode or do >> mostly >> >>> nothing until it has something to sync to... >> >>> >> >>> Thanks as always, >> >>> Josh >> >> >> >> >> >>
