Re: Repairing plated through holes.
I see the eyelets on mouser are cheap. What im really wondering about is the staking tool and which one to get.
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Brendan
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#148874
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Re: Repairing plated through holes.
Do a search for "eyelet plated through hole" and you will find eyelets designed for that purpose. I do not know what kind of tooling they may or may not require. I have also used just a piece of wire
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Mark Goldberg
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#148873
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Re: Tek 2236 repair, I don't believe it is the PS. Dented. Found a cut trace near U504. Thoughts?
The last time I responded here, my additional info got posted on its own. I'm not familiar with this interface, sorry. I don't know what I did wrong. I'll repost my last comment here in an attempt to
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JBurdman7
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#148872
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Re: What removes vinyl plasticizer stickyness on cabinets?
For a time the problem can be held in check by mopping up the leaching with powders. Corn starch, talc. It looks bad but can help prevent damaging clothing or cross contamination. Once it gets bad
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JBurdman7
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#148871
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Repairing plated through holes.
I would like to affordably put together the things needed to repair plated through holes. Anyone have any thoughts? I'm asking because I dont want to buy this more than once. My pocket has not much
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Brendan
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#148870
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Re: let's bring this back to life Re: Tektronix 453 high voltage problem
well, that was overly optimistic - I'm back where I started - I replaced the caps, I tested the diodes (again) and I had HV and a trace for a bit, but the intensity and focus didn't work, so I dug
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william_b_noble
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#148869
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Re: Tektronix RAMS (Surplus) Store - Odd hours?
Not per se... It was just a case of curiosity, wondering if there were some hidden reason. But.. Thanks, Dennis. I figured you'd be the one to make the best sense out of it.
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Bruce Lane
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#148868
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Re: S6 Sampling Head Bridge Cavity Question
Hi Craig, Dave, and H?kan, I failed to follow my own advice and RTFM before I took the sampling bridge cavity apart. I knew when I was debating to do this that I might be in over my head but all the
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Dennis Tillman W7pF
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#148867
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Re: Help needed with no trace no beamfinder on 465 (not b)
Thanks for your continued help Albert. I _might_ be able to cobble together a power supply in excess of 100V... but I am not understanding what that will tell me, possibly because I am unsure of your
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Keith Ostertag
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#148866
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Edited
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Re: My 422
Hi Jeff- I have good news and will follow up later......I have mine running using TO-3 2n5881's only had little bits of time with all the other stuff going on.....I will post stuff and a run down when
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Ren¨¦e
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#148865
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Re: Up to date capacitor list for Tek 2465A and 2465B scopes (2018)
Edit, the first sentence should read:I have updated the list to correct two errors in the last version, to accommodate Digikey change of part numbers, and to replace some Panasonic capacitors with
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machineguy59
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#148864
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Re: Up to date capacitor list for Tek 2465A and 2465B scopes (2018)
I am not a chemist.? Nor am I up to date on capacitor chemistry.? Its been 19 years since I reviewed electronic designs professionally.? Still, I am qualified to read and evaluate manufacturers
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machineguy59
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#148863
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Re: let's bring this back to life Re: Tektronix 453 high voltage problem
replacing the ceramic caps seems to have fixe it - the orange ones that your very nice picture C940, 945, 946, and 952, 966 - I used .01 3KV ceramics - two in parallel, except for C945/946 which are
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william_b_noble
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#148862
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Re: Up to date capacitor list for Tek 2465A and 2465B scopes (2018)
I have updated the list to correct two errors in the last version, to accommodate Digikey change of part numbers, and to replace some Panasonic capacitors with equivalent or better Panasonic.? It is
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machineguy59
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#148861
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Re: Help needed with no trace no beamfinder on 465 (not b)
Hi Keith, I'm sorry I couldn't quickly guide you to the fault location. Personally I can spend many many hours in finding a fault, and that as far as possible without desoldering components. But I
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Albert Otten
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#148860
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Re: let's bring this back to life Re: Tektronix 453 high voltage problem
The HV circuit takes less than 500mA when healthy: current is inversely proportional to the DC voltage in (unregulated, but normally around 16 to 17V raw DC). I wouldn't recommend removing the diode
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John Sykes
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#148859
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Re: Help needed with no trace no beamfinder on 465 (not b)
If I decide to go that route, are there any Im on the lookout for a parts scope for my 465. Let me know the price,if thats the way you decide to go.
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Brendan
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#148858
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Re: Help needed with no trace no beamfinder on 465 (not b)
Thanks for correcting me Albert, I apologize for being so sloppy... I have corrected the legend on that photo to read 10V/div after I rechecked. And you are correct as well about my not having checked
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Keith Ostertag
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#148857
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Re: Tektronix RAMS (Surplus) Store - Odd hours?
I am not associated with RAMs but volunteer next door at the vintageTEK museum. RAMS main purpose is recycling. They run the store as part of that purpose but they likely do not have the resources to
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Dave Brown
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#148856
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Re: Tektronix 2235 small/not work trace line move
Thank you ! My work is done. After replacing all 150 ohm resistors (1% 2W), the beams appeared and are normally adjusted to the full height of the screen .. After that, the capacitor was completely
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Andrey Ulyanchenko
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#148855
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Edited
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