Re: DEC H7822 power supply

2022-05-02 Thread Maciej W. Rozycki via cctalk
On Mon, 2 May 2022, Peter Coghlan via cctalk wrote: > Thankfully, it doesn't seem to have been there long and didn't get a chance > to spread around the board. Bizarrely this capacitor has it's legs pointing > upwards and managed to leak while there are similar capacitors on the other > board wit

Re: Comtec model P135-20/35 Paper Tape Punch

2022-05-02 Thread Michael Thompson via cctalk
Comtec was a tiny Rhode Island company that was owned by the family that used to live across the street from me. The RICM has a PDP-8/L powered document scanner that has a Comtec paper tape reader inside. Comtec was eventually bought by Zebra, another Rhode Island company that started out making ba

Re: DEC H7822 power supply

2022-05-02 Thread Peter Coghlan via cctalk
I wrote: > > At least the H7822 does not seem to suffer from the leaky capacitor problem > like the H7821 does. > Well, it's made a liar of me already. While checking over my previous work replacing the zener diode to make sure I didn't break something else, my eye was drawn to a ring of sticky b

Re: Repairing a VT240.

2022-05-02 Thread Tom Hunter via cctalk
You misunderstood what I wrote. I just expressed surprise about the cost rather than criticizing your choice of thermal camera. Other brands are expensive too. I wonder what makes these cameras more expensive than ordinary USB cameras working in the visible spectrum. On Mon, May 2, 2022 at 8:26 P

Re: Comtec model P135-20/35 Paper Tape Punch

2022-05-02 Thread Will Cooke via cctalk
I have done a quick and dirty scan of the manual. It is available here: http://wrcooke.net/comtec_p135_20_35_ppunch001.pdf Will

Re: Repairing a VT240.

2022-05-02 Thread Chris Zach via cctalk
Feel free to recommend a better one. I repair electronics in my spare time, and it has paid for itself many times over. C On 5/1/2022 11:59 PM, Tom Hunter wrote: The Seek Thermal is surprisingly expensive for what it is - a USB camera working in the infrared spectrum. On Mon, May 2, 2022 at