Hi everybody! I have a 453A with no HV. I actually have2. One's for parts. Anyway it did work but the HV would suddenly climb way up, it would crackle and then the trace would start flickering until I

Awhile back I refurbished a 465B, fixing the problems inserted by people who unsuccessfully tried to work on it. While the tube seems to have plenty of brites, the trace is fuzzier than I think it cou

I lost my old address - and all my contact information with it For those of you that I've had off list conversations with, will you please send me your email address to my new address. Thanks Doug Hal

I have recently bough Tek video camera C1001 and expect the shipment to arrive over next few days. What I bought is camera only and I am looking for other parts to make it a working camera system. Wha

Quick, this bid ends today at 3 pm, it is for manual: http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1643477368 <http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1643477368> Regards Miro

All, I am a member of other list, all with different policies about selling. I have not seen a policy for this list. I have a couple of old scopes that need a new home, is it ok to offer these for sal

Stan, I lost your eMail address, please contact me off-list at doughale@... Thanks, Doug

The 7A16P is for digitizers only, it doesn't work in the regular frames. works in the 7912 or whatever it's called. it just happens to look like it fits in a 7K frame. mine certainly did not work (unl

If anyone has a service manual for a Tek 422 scope, I would really appreciate getting the part number for the vertical-position knobs. I need only the knob itself, not the button that sits above/in it

I hate to disagree with Stan, but my experience with 7A16Ps is that if you install them in a non-programmable mainframe, they power up OK, but the front panel is locked out. From looking at the schema

I remember when I worked at Tek Australia in the 70's we would routinely wash the front and back of every scope, and if washing the side panels didn't restore them well enough, they were resprayed. An

It has been so long since I joined thi group, I forgot how to do it. I would like to know the procedure so I can tell others. I get a LOT of questions about Tek scopes that I can't answer very well bu

Hello all, I'm new here. Is there anyone who is familar with the TDS- 784D? Regards, Mike Handy

I have a sick Tek 465 - when powered up, its basic functions work, but when connected to its own internal calibration signal the 300 mv. voltage peak reads about 50 millivolts low. There is also somet

what is the differance bettween model 2430 and 2430A . is the pcb and wiring the same ? (for service ) . can someone help ? avinoam zipi-u@zahav net.il

Very educational to learn about equipment washing. I did work one place where we washed new boards in a domestic dishwasher just like dirty plates and then gave them a burn in. There were a few burn-i

I am restoring an 7834 mainframe, the power supply runs in burst mode (tick tick tick ), so far I have checked all the electrolytics and rectifier bridges as ok. Burst mode persists with all loads dis

Hi, I need to fix the HV supply in a 11302A.I checked several sources for a manual, but without success. All I could find out that Tektronix used to repair these scopes on board level. So schematics o

>Those 237 little incandescent >lamps in the 7A12 were cute the way they lit up the little buttons, >but it didn't take them long to figure out that it was a maintenance >nightmare. I don't think they

I just acquired a Tektronix 556 with Type D and Type 53/54A plugins and probes for $15.00. To my surprise after replacing the missing tubes in the Type D plugin, the scope appears to work. The only pr