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The vintageTEK Museum will send you a similar one, the 311-2047-00, for $15 postpaid in the U.S. This is from the 465B and 468 and is a single-shaft "backlash" version instead of the dual-concentric

2465 never had the surface mount new A5 controller. That is only used in the 2465B after s/n B050000.

I have a replaced the fan on my TM506 with this fan: ETRI LV 141 1700RPM 55CFM 115V 8W. Link to data sheet here: https://www.masterelectronics.com/productfiles/mf-etr/2390278076984363141l-us-en.pdf

I had given up hope already, then unexpectedly a gentleman from Glasgow offered my a partially working 5030. He told me it was working when he stored it, quite long ago, but now there is only some

all TM 500, 5000 suffering from short or flaky Tantalum caps. Check ever tant for discoloration or split and replace Jon

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I use two TM506. These fans are loud, but very much air flow. I have put a 40°C "Normally Off" Thermo switch in series, attached it to the cooling plate near by the fan. As long a I do not fully load

It's definitely complicated. They had lots of competing demands to juggle -- size, weight, and power consumption being considerations in a portable analyzer, but also phase noise and freedom from

If Dennis were here, I imagine he would be getting a little short-tempered himself right about now. :) Anyone doing any interesting work with Tek gear they'd like to discuss? -- john, KE5FX

Mark, I was in the scope today replacing the CRT with an apparently new part, and while I was in there I decided to check R4124. It reads as 29M, so it’s getting replaced. I just ordered ten of the

try MEK sometimes it works when Acetone does not. Renée

Cliff, you may find the ceramic fuse unit to be impervious to normal solvents, if the pieces are glass-frit sealed. This is a relatively low temperature glass fusing/adhesive material often used to

Boy, someone has a lot of personal issues and extra time on their hands... -Dave

Well...... I do have a rather strange solution: 3D print an adaptor that fits over the vents of the equipment. Use a shop vac airhose of any desired size.? Run all of them through Y adaptors and into

Has anybody found a modern quiet fan that moves enough air in this application? My shop does a lot of audio work, when I turn on 2 or 3 of the mainframes the fan noise is such that subtle audio

I would like to get a replacement for mine. The fine control in mine is open. I have a pair of 24,000 ohm resistors from each end to the center to simulate it centered. The shaft was that way when I

Tom, For the 465, the parts are different. I will give you what I changed in mine as I look at it to verify the parts. The resistors I put in are 1% types. Notes after the part number is what I used

Tekscopes doesn't do attachments. I did send the post, and I have a record that it showed up. Curious. Glad you found the fuse to be suitable (I hope). May still have to see if you can make a standard

Harvey has found a Schurter fuse (3413.0009.11) at Mouser that looks like a very good match: 0.2A, 0.385 ohms, rated to interrupt 63VDC or 125VAC, and a very small footprint of 3.2 x 1.6 x 1.6 mm.

The 492BP that I have has the external ref input, accepts 1,2,5,10MHz references (edge close to internal 1MHz PLL.) P.s.I don't fully understand the tuning mechanism even after reading both service