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New Member intro and needing help 24 messages
Hello, I'm new to the group. I'm a railroad signalman, though I used to be a Simpson meter technician, and I'm still a ham and electronics tech. My major passion is antique radio restoration. I recent
Hello, I'm new to the group. I'm a railroad signalman, though I used to be a Simpson meter technician, and I'm still a ham and electronics tech. My major passion is antique radio restoration. I recent
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By
j.stumreiter@...
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2465 parts boards available, free for pickup, Los Angeles area 3 messages
All, I have three 2465 mainboards in "parts" condition. (Two are 2465A, one 2465B). Amongst them, they have at least one of every hybrid, including one U800. There are two attenuators. Free for pickup
All, I have three 2465 mainboards in "parts" condition. (Two are 2465A, one 2465B). Amongst them, they have at least one of every hybrid, including one U800. There are two attenuators. Free for pickup
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John Gord
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Sick DS602A in the lab 5 messages
I have a DS602A that just started acting up. It has been running fine since I got it and passes self check. I have not opened the unit yet. I will have to dig it out of the rack and it is a HEAVY beas
I have a DS602A that just started acting up. It has been running fine since I got it and passes self check. I have not opened the unit yet. I will have to dig it out of the rack and it is a HEAVY beas
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Zentronics42@...
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DIY u800 repair 12 messages
Picked up a 2465 that while advertised as having been "tested and working" turned out it has the dreaded u800 issue. This is my 1st run-in with this, so the first thing I did was search through the gr
Picked up a 2465 that while advertised as having been "tested and working" turned out it has the dreaded u800 issue. This is my 1st run-in with this, so the first thing I did was search through the gr
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don frasher
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OT: Fascinating book https://nostarch.com/open-circuits 9 messages
Good Day, this is off-topic (well, I have spotted a Tektronix type 465 or 475 oscilloscope on page 20), but this new release certainly looks like an interesting read / visuals to me: https://nostarch.
Good Day, this is off-topic (well, I have spotted a Tektronix type 465 or 475 oscilloscope on page 20), but this new release certainly looks like an interesting read / visuals to me: https://nostarch.
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magnustoelle
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Tek 2400 series modules
At one time, there was (is?) a problem with hybrid modules failing in the 2400 series scopes and the modules were not readily available. Are they still being 'repaired' or have other replacements been
At one time, there was (is?) a problem with hybrid modules failing in the 2400 series scopes and the modules were not readily available. Are they still being 'repaired' or have other replacements been
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babin_perry
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Issues with my 7L13 in a 7613 frame 57 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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Thanks to so many and feeling humbled by Prof. Lee 5 messages
I know this is not on topic. I wanted to say how humbled I was to have a professor from Stanford ask me about the failure of parts. Someone of his stature, knowledge, skill, employment. etc. made me f
I know this is not on topic. I wanted to say how humbled I was to have a professor from Stanford ask me about the failure of parts. Someone of his stature, knowledge, skill, employment. etc. made me f
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Mark Vincent
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TDS7000 label transplant 3 messages
Hello All, I am replacing the trim ring on a TDS7000 scope and I want to transplant the label from the old trim to the new one. the replacement trim ring also has a label that needs to be removed. Any
Hello All, I am replacing the trim ring on a TDS7000 scope and I want to transplant the label from the old trim to the new one. the replacement trim ring also has a label that needs to be removed. Any
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Tom B
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Tek 465M DC balance issue
Hi. New member. First post. I have a Tek 465M that needs help with the dc balance Channel 1, ac/gnd/dc switch on ground Ch1 position in middle snd the trace is centred. +5,-5,+32v all ok, ripple in sp
Hi. New member. First post. I have a Tek 465M that needs help with the dc balance Channel 1, ac/gnd/dc switch on ground Ch1 position in middle snd the trace is centred. +5,-5,+32v all ok, ripple in sp
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mamcvicar78@...
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TDS NVRAM 5 messages
Has anyone pulled the battery/batteries from a DS1650Y used in TDS544A and other TDS's and if so remembers if it is done from the top or bottom ? /Håkan
Has anyone pulled the battery/batteries from a DS1650Y used in TDS544A and other TDS's and if so remembers if it is done from the top or bottom ? /Håkan
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zenith5106
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2465 fan repair; internal temperature data? 6 messages
I just joined this group. I've had a 2215 since new, but recently picked up an 2465 at an estate sale. It "works", except that the "world's most complicated fan" is dead. (I didn't realize this, and w
I just joined this group. I've had a 2215 since new, but recently picked up an 2465 at an estate sale. It "works", except that the "world's most complicated fan" is dead. (I didn't realize this, and w
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William F. Dudley Jr.
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Looking for a 7233 tube valve 10 messages
Hi all, I just finished to fully reconditioning my beloved 564. Fully recapped, a new CRT from a more recent 564B (with good efficiency), and all tubes replaced (the original from 1968 were still ther
Hi all, I just finished to fully reconditioning my beloved 564. Fully recapped, a new CRT from a more recent 564B (with good efficiency), and all tubes replaced (the original from 1968 were still ther
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By
unclebanjoman
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475A with a DM44 that has a intermittent sweep circuit. 16 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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Looking for Feedthrough Capacitor for LVPS Line Input Filter 5 messages
One of the 5600pF feedthrough capacitors in the line input filter of my 7514 developed leakage sufficient to blow the line input fuse. Unfortunately, that capacitor is not an individually-listed part
One of the 5600pF feedthrough capacitors in the line input filter of my 7514 developed leakage sufficient to blow the line input fuse. Unfortunately, that capacitor is not an individually-listed part
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n4buq
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465 x issue 11 messages
Hi all,ive just brought a 465+DM44 for spares or repair,the seller says the trace will only adjust to halfway across the screen,any ideas where to start looking?.TIA.
Hi all,ive just brought a 465+DM44 for spares or repair,the seller says the trace will only adjust to halfway across the screen,any ideas where to start looking?.TIA.
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nanovnauser@...
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TEKTRONIX 7D15 Universal Counter Timer 225MHZ Brand new units.
I have for sale two brand new Tektronix 7D15 Counter Timers in original Tektronix packaging. Details are here: https://groups.io/g/Test-Equipment-For-Sale-Wanted-or-Exchange/message/3289 Contact me of
I have for sale two brand new Tektronix 7D15 Counter Timers in original Tektronix packaging. Details are here: https://groups.io/g/Test-Equipment-For-Sale-Wanted-or-Exchange/message/3289 Contact me of
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George Kerber
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Tektronix 465B vertical mode switch board A5 schematic sheet 4 10 messages
Hi, Does anyone have a scan for the Tektronix 465B vertical mode switch board A5 schematic. This is denoted as sheet <4> but is missing from all the online scans I can find. Attempting to chase a shor
Hi, Does anyone have a scan for the Tektronix 465B vertical mode switch board A5 schematic. This is denoted as sheet <4> but is missing from all the online scans I can find. Attempting to chase a shor
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Chris Smith
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492p+option2 digital memory 6 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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A friend's 576 5 messages
"My recently-acquired 576 seems to mostly work, save for some very dirty contacts in the pushbutton switches. But I noticed an irregular horizontal "throbbing" in the curves. Looking around a bit, I f
"My recently-acquired 576 seems to mostly work, save for some very dirty contacts in the pushbutton switches. But I noticed an irregular horizontal "throbbing" in the curves. Looking around a bit, I f
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By
Mark Kahrs
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