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I don't know if this will help, but I used to have a lot of problems with new 16 bit MC68340 based embedded controller boards that used a pair of battery backed RAM modules. (It was used in multiple

Hi all, pictures of the feet of a normal 2465 and a 2465DMM are in the album. I think if I got myself two pairs of feet I can cut them so the upper half would fit as well. When I cut the top corner of

Hello Fabio & Tam, I'd rather stay in rural Spain instead of going to prison, but if I must...... Anyway, I already added the original eBay picture from the add, to show how it was advertised, and I

Hi, May be trivial, but this has happened to me. Check all the ribbon cable connections between the boards. I had one that got pulled out partially when I folded out the board, and was causing all

Now we're talkin'! I love this old technology. I have some old hand blown vacuum tubes and amps from the early days. A couple older than me and I am a wwII vj era baby! I just bought a 50's Phillips

I mentioned that I read this in an earlier post, Jeff. It makes sense to see why the 55v is out of range. I somehow suspect more than one thing wrong. And after watching the video Vincent referenced,

This REALLY helps as it is the only detailed repair dealing with almost exactly my issues. I do also realize that I'm not going to have much in the way of parts, other than resistors and some

How do these feet look? Friend of mine recently got a Rubber capable 3d printer... Tam --- With best regards Tam HANNA (emailing on a BlackBerry PRIV) Enjoy electronics? Join 11k other followers by

Hi Walter. I wish I lived closer. I have several Tek and Fluke instruments used in a free school I run in Mexico. I do have a shipping address in California and possibly a fellow musician that summers

Same as mine, when I said boot I should have said screen dead. I had the three leds above the screen flashing a code. The code is in the service manual but I cant tell you exactly where. I did have a

I have no screen at all. The scope does not do a self test so I cannot get to an initial calibration. I did not copy the calibration constants and when I first powered the scope it ran a self test as

Wow! There were guys blowing glass bulbs dressed on waistcoats! Those were definitely more civilized days! And for a film that seemed to be sort of institutional... what great takes! I wonder who was

Leo, Undoubtedly you should go to prison... not for removing the label... but for that steal you scored. Lucky guy! Just a stuck beam finder button! Rgrds, Fabio

U664 is where the calibration constants are stored did you copy them to the new ram? If not you will need to do a complete recalibration. I went through a 2430a recently and bought a chip reader and

Hi Rich: I don’t have the manual here in front of me, but I did a lot of troubleshooting and calibration of the 2440 series. What you describe, reminds me of the current sense resistors going out of

I recently purchased a 2440 with a 4000 code, battery weak. Everything else appeared to be working. That was the only fault code. I replaced the two ram modules with new. The original were obsolete

Doing more clean up at Sphere, I found a factory bag full of the 2.5 inch black fan turbine blade assemblies used in many Tek scopes (465, 475, 2465, etc.). sorry, no fan motors to go with them, but

Including production-line hand blowing of tube envelopes: https://www.youtube.com/watch?v=fcfMj_cqufc <https://www.youtube.com/watch?v=fcfMj_cqufc&t=405s> &t=405s Albert

Hi Musicamex, You might find this video helpful, from the YT channel "the Radio Shop", posted just 4 days ago. Chap is fixing a 465 with similar LV issues. https://www.youtube.com/watch?v=n5kvAdPlFgY

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