Re: Testing a H744 Regulator on The Bench

2021-12-30 Thread Vincent Slyngstad via cctalk
On 12/30/2021 10:08 AM, Rob Jarratt via cctalk wrote: Also, the indicator light does not work (as expected). I have seen the suggestion to replace it with a CM7381. It looks like these can be sourced with relative ease,

Re: PDP-11/44 gas struts

2021-12-30 Thread Chris Zach via cctalk
Jesus. How much does the 11/44 chassis weigh? On 12/30/2021 3:39 PM, Alan Frisbie via cctalk wrote: 2. 30-pound struts are not strong enough.  They improved things a bit, but it still takes a lot of effort to raise the box.  I have ordered a pair of 50-pound struts and will post an update

Re: Testing a H744 Regulator on The Bench

2021-12-30 Thread Jonathan Chapman via cctalk
Sounds like you're testing things basically the way I was: http://www.glitchwrks.com/2019/06/05/pdp1110-psu-repair I used a large Stancor 24 VAC transformer to supply power to the modules, since they usually see 20-30 VAC from the big transformer in the chassis. For dummy loads, I like

Re: Testing a H744 Regulator on The Bench

2021-12-30 Thread Mattis Lind via cctalk
Den tors 30 dec. 2021 kl 19:08 skrev Rob Jarratt via cctalk < cctalk@classiccmp.org>: > Hello All, > > > > Following a discussion on resurrecting a PDP 11/45 I have started looking > at > the regulator bricks in the PSU. I have started with a H744. I reformed the > three big capacitors, although

Re: PDP-11/44 gas struts

2021-12-30 Thread Alan Frisbie via cctalk
On 12/25/21 3:37 PM, I wrote: I made a wild random guess and ordered two of the 30 pound struts, which should be delivered Wednesday (12/29/2021).  The 40 pound ones have a seven week lead time, and a pair of 50 pound ones seem way too high.  When they arrive, I'll let you know how well they

Testing a H744 Regulator on The Bench

2021-12-30 Thread Rob Jarratt via cctalk
Hello All, Following a discussion on resurrecting a PDP 11/45 I have started looking at the regulator bricks in the PSU. I have started with a H744. I reformed the three big capacitors, although they seemed to be fine as they charged up from my DC bench PSU and then had zero leakage so I

Re: New mailadress

2021-12-30 Thread Sergio Pedraja via cctalk
Sorry to hear this. May be possible any help? Kind Regards Sergio El jue., 30 dic. 2021 12:21, Pontus Pihlgren via cctalk < cctalk@classiccmp.org> escribió: > Hi > > I've been using this adress for many years: "pon...@update.uu.se". But > the club is now at risk of loosing the domain name. I'm

Re: New mailadress

2021-12-30 Thread Moxie Jim via cctalk
Got it ! On Thu, Dec 30, 2021, 05:44 pontus via cctalk wrote: > More noise: Just testing if I can send from the new address. > > /P > > On 2021-12-30 12:14, Pontus Pihlgren via cctalk wrote: > > Hi > > > > I've been using this adress for many years: "pon...@update.uu.se". But > > the club is

Re: New mailadress

2021-12-30 Thread pontus via cctalk
More noise: Just testing if I can send from the new address. /P On 2021-12-30 12:14, Pontus Pihlgren via cctalk wrote: Hi I've been using this adress for many years: "pon...@update.uu.se". But the club is now at risk of loosing the domain name. I'm therefore moving over to

New mailadress

2021-12-30 Thread Pontus Pihlgren via cctalk
Hi I've been using this adress for many years: "pon...@update.uu.se". But the club is now at risk of loosing the domain name. I'm therefore moving over to "pon...@dfupdate.se" Sorry if this is of topic but I have made many acquaintances on this list that might not find out otherwise.

New mailadress

2021-12-30 Thread Pontus Pihlgren via cctalk
Hi I've been using this adress for many years: "pon...@update.uu.se". But the club is now at risk of loosing the domain name. I'm therefore moving over to "pon...@dfupdate.se" Sorry if this is of topic but I have made many acquaintances on this list that might not find out otherwise.