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492p+option2 digital memory 4 messages
Greetings, all --- I've just joined the group. I have recently acquired a mostly-working 492p --- unusual test-gear for a hardened computer-wizard, but I' retuired now, and it looked like fun! Initial
Greetings, all --- I've just joined the group. I have recently acquired a mostly-working 492p --- unusual test-gear for a hardened computer-wizard, but I' retuired now, and it looked like fun! Initial
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david@...
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What does a 24x5 A2 PCB look like, when the 68nF Filter capacitors let go? 7 messages
Just a spoiler here, to gently encourage those owners who hope for the best, not to hope, but to DO, before damage occurs. https://groups.io/g/TekScopes/album?id=276138 The Scope was repaired, overhau
Just a spoiler here, to gently encourage those owners who hope for the best, not to hope, but to DO, before damage occurs. https://groups.io/g/TekScopes/album?id=276138 The Scope was repaired, overhau
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M Yachad
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How to replace an SMT part, a tutorial - desoldering surface mount components 9 messages
I've recently written to someone about how to replace an SMT op amp, and I thought it would be useful here, so here it is. It's obviously useful for other SMT parts as well. You'll find that desolderi
I've recently written to someone about how to replace an SMT op amp, and I thought it would be useful here, so here it is. It's obviously useful for other SMT parts as well. You'll find that desolderi
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cheater cheater
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Issues with my 7L13 in a 7613 frame 51 messages
Hi all, I acquired a 7L13 in a 7613 frame in an unknown state. After replacing the electrolytic bulk capacitors in the 7613 PSU the spectrum analyzer is now partially working. So far I have identified
Hi all, I acquired a 7L13 in a 7613 frame in an unknown state. After replacing the electrolytic bulk capacitors in the 7613 PSU the spectrum analyzer is now partially working. So far I have identified
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sunkan@...
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475A with a DM44 that has a intermittent sweep circuit. 15 messages
I have a 475A power supplies are good I am trying to do an alignment on it when the scope is cold it runs all right for a while then all sweeping and triggering stops. Power supply voltages are good a
I have a 475A power supplies are good I am trying to do an alignment on it when the scope is cold it runs all right for a while then all sweeping and triggering stops. Power supply voltages are good a
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Zentronics42@...
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TDS540 repair; drifting vertical position at start-up 20 messages
Hi guys, Another question for you on my TDS540 repair mission; When switched on from cold the traces are all off the bottom of the screen, but the trace indicator icon is in the right place. Over the
Hi guys, Another question for you on my TDS540 repair mission; When switched on from cold the traces are all off the bottom of the screen, but the trace indicator icon is in the right place. Over the
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visitslovenija
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TDS520A acquisition board schematic? 12 messages
I ended up with a TDS520A for various reasons, and have managed to get it into a working state. However, the capacitors had never been changed, so thought it was prudent to replace these. The processo
I ended up with a TDS520A for various reasons, and have managed to get it into a working state. However, the capacitors had never been changed, so thought it was prudent to replace these. The processo
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cesare.ferrari@...
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Type 230 Readout unit troubleshooting
Hello - After a long hiatus, I'm back at trying to get my 230 working. I've got a working 568 and recently managed to get a few plug-ins up and running - 3S2, 3T6, 3S76, 3T77 (and half of a 3S5). I've
Hello - After a long hiatus, I'm back at trying to get my 230 working. I've got a working 568 and recently managed to get a few plug-ins up and running - 3S2, 3T6, 3S76, 3T77 (and half of a 3S5). I've
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Paul
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Anyone looking for Tek 577 Curve Tracer or Tek 2220 Digital Storage Scope?
Hello all! I recently rescued a couple of Tek 577 curve tracers (useful!) and a half dozen Tek 2220 Digital storage scopes with GPIB interfaces (cute) from oblivion. They came from a college I used to
Hello all! I recently rescued a couple of Tek 577 curve tracers (useful!) and a half dozen Tek 2220 Digital storage scopes with GPIB interfaces (cute) from oblivion. They came from a college I used to
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Jeff Kruth
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Tektronix Service manual errors 5 messages
My favorite one is in the TSG-100 listed in the required test and calibration equipment is the 1410 video test signal set, seems normal but at around $9900.00 at the time nowhere in the procedures is
My favorite one is in the TSG-100 listed in the required test and calibration equipment is the 1410 video test signal set, seems normal but at around $9900.00 at the time nowhere in the procedures is
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jeff_a_bowman@outlook.com
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Readout Lines positioning 7623A 6 messages
I have a Tektronix 7623A storage scope. I can easily change the distance between the top and bottom Readout lines. My problem is that the bottom line is too high on the screen, and I cannot find a tri
I have a Tektronix 7623A storage scope. I can easily change the distance between the top and bottom Readout lines. My problem is that the bottom line is too high on the screen, and I cannot find a tri
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Gary Robert Bosworth
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Looking for a tektronix 119-0181-00 Surge Protector 4 messages
While working on the LVPS in my 7514, an 8uF axial lead cap exploded like a firecracker (never had that happen and am unsure what caused it at this point). It was not connected backwards and I suspect
While working on the LVPS in my 7514, an 8uF axial lead cap exploded like a firecracker (never had that happen and am unsure what caused it at this point). It was not connected backwards and I suspect
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n4buq
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7514 Now Trips GFCI 3 messages
I'm starting the process of replacing the electrolytics in the LVPS in my 7514. I started with just C810 and C811 which are in series across the first diode bridge. Those, along with L810 and L811 for
I'm starting the process of replacing the electrolytics in the LVPS in my 7514. I started with just C810 and C811 which are in series across the first diode bridge. Those, along with L810 and L811 for
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n4buq
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MC6800 disassembler available for Ghidra
Hey y'all, TL;DR: you can now disassemble and successfully reverse MC6800 with Ghidra by downloading this ( https://github.com/sigurasg/ghidra/tree/6800-specs-add/Ghidra/Processors/MC6800) language sp
Hey y'all, TL;DR: you can now disassemble and successfully reverse MC6800 with Ghidra by downloading this ( https://github.com/sigurasg/ghidra/tree/6800-specs-add/Ghidra/Processors/MC6800) language sp
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Siggi
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Readout Character Size in 7000 Scopes 17 messages
I have both a 7704A and a 7514. I finally got the readout working in the 7514 last night (faulty timer chip and faulty 2N3906 on the X output line); however, I notice that the characters in the 7514 a
I have both a 7704A and a 7514. I finally got the readout working in the 7514 last night (faulty timer chip and faulty 2N3906 on the X output line); however, I notice that the characters in the 7514 a
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n4buq
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SRAM chips for a TDS540..... 5 messages
Hi all, I think I'm getting closer to a working scope with my TDS540. The last step - I hope - is to replace some of the SRAM chips on the acquisition board. I've found these ones on Mouser : 972-6116
Hi all, I think I'm getting closer to a working scope with my TDS540. The last step - I hope - is to replace some of the SRAM chips on the acquisition board. I've found these ones on Mouser : 972-6116
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visitslovenija
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New Member 4 messages
Hi, I'm new here and from Germany. I own numerous Tek items, which I collect and repair. I like the 7k, 11k series, 2465, and TM Power Modules and plug-ins. I'm happy to be here.
Hi, I'm new here and from Germany. I own numerous Tek items, which I collect and repair. I like the 7k, 11k series, 2465, and TM Power Modules and plug-ins. I'm happy to be here.
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Stefan
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Tek part or not? 4 messages
I acquired this https://groups.io/g/TekScopes/album?id=276161 HV unit recently. A closer inspection showed, that the inscriptions on the individual components contain cyrillic letters. Is it a Tek par
I acquired this https://groups.io/g/TekScopes/album?id=276161 HV unit recently. A closer inspection showed, that the inscriptions on the individual components contain cyrillic letters. Is it a Tek par
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Stefan
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A Tek 465/475 in The Lathe of Heaven 6 messages
In a fit of nostalgia I watched the PBS production of Ursula K. Le Guin's Lathe of Heaven from 1979. The dream Augmentor used to control the main characters "effective dreams" contains a Tek 465 or 47
In a fit of nostalgia I watched the PBS production of Ursula K. Le Guin's Lathe of Heaven from 1979. The dream Augmentor used to control the main characters "effective dreams" contains a Tek 465 or 47
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Jeff Dutky
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2467 Not Functional 25 messages
I have just acquired a 2467 in very good cosmetic condition both internally (I'd even say pristine!) and externally, but it falls over at switch-on. Front panel lights flash on, then off and the TRGD
I have just acquired a 2467 in very good cosmetic condition both internally (I'd even say pristine!) and externally, but it falls over at switch-on. Front panel lights flash on, then off and the TRGD
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NigelP
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