Re: More 2465B SRAM Trouble
May not be related but I had a lot of trouble with the GQ-4x4 and my 2467B when replacing the Dallas chip. I went with the GQ since I watched a YouTube vid where someone used one successfully with a
By
pac1085
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#208869
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Re: More 2465B SRAM Trouble
Ron,
Try this exercise to see if this clears up your issue. Its a specific button push in the correct sequence.
CYCLE ERROR CLEAR (Exerciser 03). This routine
provides a way for the operator to
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Craig Cramb
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#208868
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Re: 5L4N manual (not 'interim')
Hi,
The manual doesn't look like the "interim" one:
https://w140.com/tekwiki/images/8/81/070-1733-00.pdf
They've updated the pdf file I guess.
I also have the pdf from Artek, it looks
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Ke-Fong Lin
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#208867
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More 2465B SRAM Trouble
I bought a no error codes on startup S/N B057443. Inspection of A5 showed no leaking of the SMD eCaps, but the Dallas DS1225Y was 1991 vintage by date code. I bought a new Dallas DS1225AB-200+ from
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Ron Jones
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#208866
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Re: double traces/lines in tektronix 577 curve tracer
It’s the effect of internal capacitance in the device and/or heating/cooling of the semiconductor junction.
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Dave Voorhis
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#208865
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Re: VintageTEK demo boards are back
Dave: I will make another round of them. April 5th is not far off but it's possible they could be ready for purchase then.
-Thomas
By
Mr. Fang
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#208864
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Re: VintageTEK demo boards are back
Thomas!
I will be visiting the museum on April 5th!!! Is there any chance you can save me one?!?!?
- Dave KQ4VBE
By
@ICY.dev
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#208863
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Re: 2465B which are my options for the SRAM "problem"? low serial with OPTION 5:)
Thanks Alex,
1) could you please confirm that your 2465B has a low serial?
If so you should have performed the battery mod, else it should fail the battery voltage check, right?
I saw that the
By
Giuseppe Marullo[iw2jww]
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#208862
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double traces/lines in tektronix 577 curve tracer
Hi,
Can anyone explain why my Tektronix shows double curves in each step when I testing transistors?
thank you!
/g/TekScopes/album?id=301335
By
richar926@...
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#208861
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Re: Looking for Tektronix VM700T Software
Perfect. I sent you my SN info directly, hope it helps.
By
Tim Wright
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#208860
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Re: Dennis Tillman Tek 575 Curve Tracer Adapter PCB?
I am very interested in the tube adaptor for my 575. I was not aware a tube tester was not needed. I do have a couple Sencore testers.
John
By
John Hancock
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#208859
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Re: 2465B which are my options for the SRAM "problem"? low serial with OPTION 5:)
I do have a 2465B with a FM16W08 FRAM and so far it has worked perfectly for several years. Plug-n-Play without any special mods or anything else but to mount the FRAM on an SOIC to DIP28 adapter, and
By
Alex
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#208858
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Re: 2465B Screen artifacts
Hey there Hachiroku,
nice to meet you, welcome to the group :).
<chester.jamie.jammy@...> wrote:
I guess one other thing to check is whether J504 is in the correct
position, it
By
Sigur?ur ?sgeirsson
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#208857
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Tektronix 2236
I need plastic cover box #342-0592-00 for Tektronix 2236 which is on the multmeter board. Does anybody have one to sell.
By
lbrown8008
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#208856
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Re: Dennis Tillman Tek 575 Curve Tracer Adapter PCB?
Ryan, I sent you an e-mail directly, check junk if you don't see it.
Someone in this group was kind enough to send me an unbuilt Dennis Tillman PCB. I bought the majority of the parts from
By
pac1085
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#208855
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Re: SC504 high Voltage Board Potentiometer
There is a revised Service Manual that shows the trimmer on the HV Board. That manual is labeled "REV B May 1980" on the first page of the Table of Contents. So this was a Tektronix factory
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Barry Breaux
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#208854
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Re: 2465B Screen artifacts
Hi, my name's Hachiroku.
1.36V and -1.25V Ref tested OK according to this post: /g/TekScopes/message/13732
Here are the voltage measurements (reference to ground) at the DAC
By
@Hachiroku
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#208853
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Re: VintageTEK demo boards are back
ebay says I got the last one. Whew!
Jim
By
Jimbert
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#208851
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Re: RM15 MOD 801C
It's on page 2 in the Modified Products section of the RM15 microfiche set.
Only a brief description and no schematics or detailed description.
/H?kan
By
zenith5106
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#208850
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Re: 2465B which are my options for the SRAM "problem"? low serial with OPTION 5:)
<giuseppe@...> wrote:
Option 09 includes the 06 CTT option, plus it allows for using the word
recognizer probe.
The CTT option gives you a counter/timer integrated to the scope. It
By
Sigur?ur ?sgeirsson
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#208849
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