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WM 490 mixers on e bay - any good or all fried?
What are the odds that ebay external mixers are all bad and unrepairable? I guess what I'm asking is what the failure modes would be. Looking around a bit to figure if I want to jump up to microwaves.
By Edward Prest · #187521 ·
Grease for the VOLTS/DIV and the SEC/DIV Controls on TDS Series 310, 320, 340, 350, 382, 420, 430
I am cleaning up the Front Control PCB (A4 Front Panel Board) on a TAS465. TDS Series 310, 320, 340, 350, 382, 420, 430 use the same type of PCB Printed Control. I believe all of TEK Scopes during the
By Bru H · #187520 ·
Re: FS: instruction manual for Nelson-Ross spectrum analyzer plug-ins
I have models 011, 012, 013 and 311 (never tried them), but I might already have a manual somewhere.? I'll have to do some searching. -Dave
By Dave Seiter · #187519 ·
Re: FS: instruction manual for Nelson-Ross spectrum analyzer plug-ins
Bill and Brad, I might be interested, depending which exact plug-ins Bill has. I only have a 500-series scope, not a 560-series. Bill, do you remember which model plug-ins you have? thanks -- Jeff
By Jeff Dutky · #187518 ·
Re: FS: instruction manual for Nelson-Ross spectrum analyzer plug-ins
Interesting!Many, many years ago I picked up two different versions of those plug ins. Being an audio engineer.?? But I moved the Tek mainframe along before ever trying them out.They are a bit dirty
By Bill (Doc) Courtright · #187517 ·
Re: Tek 575 Mod Lit Redone
How wonderful, it looks great!!! your time is greatly appreciated. Thank you. also very timely as i finally have a trace on my newly acquired 575, now to have time get the baby running correctly.
By Ren¨¦e · #187516 ·
Re: Tek 575 Mod Lit Redone
Someone with the password chops might go ahead and do that any time. Bill @ PEARL, Inc.
By Liam Perkins <hifi@...> · #187515 ·
FS: instruction manual for Nelson-Ross spectrum analyzer plug-ins
Hello-- I'm offering FS one only instruction manual for Nelson-Ross low-frequency spectrum plug-ins, models PS A011 (10 Hz-20 KHz), PSA 012 (35 Hz-100 KHz), PSA 013 (150 HZ-500 KHz) and PSA 014 (10
By Brad Thompson · #187514 ·
Re: Tek 575 Mod Lit Redone
Wow -- thanks for doing all that work! It would be great to have that uploaded to tekwiki, as well. --Tom -- Prof. Thomas H. Lee Allen Ctr., Rm. 205 350 Jane Stanford Way Stanford University Stanford,
By Tom Lee · #187513 ·
Tek 575 Mod Lit Redone
Acrobat 9.0 wouldn't open the 200 page page PDF posted a while back so I opened it with STDU Viewer then exported as PDF. That done I converted to 200 .tiff-s, cleaned up all the overscan and Cerlox
By Liam Perkins <hifi@...> · #187512 ·
Missing Guitar Player Magazine, November 2019.
I am sorry that this is rather off-topic, but I have tried almost everywhere else with no luck at all. I suppose that since the time was at the beginning of the pandemic, I shouldn't be surprised, but
By Colin Herbert · #187511 ·
Re: Tektronix 576 CRT replacement
Jan, I also still have the tubes and they both still work they are just VERY high hour let me know if you are interested. One is extremely dim the other is dim but readable and double peaking using a
By Eric · #187510 ·
Re: Tektronix 576 CRT replacement
The CRT in the 576 as far as I know is unique to the instrument. However if you find one that is a soutable match please let me know I have 2 in the lab that need CRT's and one that needs a HV
By Eric · #187509 ·
Re: attach a file
Many here use an email interface to read messages and some have slow download speeds. Having to download attachments would be undesirable. Your best bet is to upload the image, as Jeff said, and view
By pdxareaid · #187508 ·
Re: Tektronix 576 CRT replacement
That's the 577 that shares the crt with the 5000 series. With the 576 you have to find one. Nobody's come up with an LCD replacement (yet) but I would expect to see something eventually. -- Paul
By Paul Amaranth · #187507 ·
TAS465 Grease for the VOLTS/DIV and the SEC/DIV Controls?
I am cleaning up the Front Control PCB (A4 Front Panel Board) on a TAS465. The Controls are a Simple Wiper that makes contact with carbon element pads on the PCB. Tek had some sort of original Black
By Bru H · #187506 ·
Re: Tektronix 576 CRT replacement
The 576 CRT (154-0563-00, or -01, or -05) is unique to that instrument. The RPR doesn't show it being used in anything else. David
By David C. Partridge · #187505 ·
Re: TM500 tester switch - Attn. Jared Cabot.
The oddity is that the serial number printed on the Grayhill switch is 71BDF30-02-2-AJN just as yours, so why didn't Digi-key include the extra parts, or did I manage to lose them? (I don't think so).
By Colin Herbert · #187504 ·
Tektronix 576 CRT replacement
Hi group, I bought a Tektronix 576 curve tracer a few years ago in the US and it was damaged during shipment to Europe. The CRT got a hit and was shattered to pieces. Which CRT is a suitable
By Jan Weber · #187503 ·
Re: 577 D2 Display Issues
Have you checked the IC sockets? Most 577s were built with Texas Instruments edge contact DIP sockets that proved unreliable and were later replaced. If re-seating any of the IC's makes a difference,
By Dave Casey · #187502 ·