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Bill, CR1 and CR2 are mounted on the heat sink at the lower right side of the unit. These are stud mounted diodes. The anodes of these are connected to the power transformer with 2 heavy white wires.

Finally got this thing back on my bench and a little free time.? ?Assuming CR1 and CR2 are in the back left of the case near the diode board, I see about 17v here both on the AC and DC sides.? ?

Thanks, I’m having the same thought.

*The restoration of the HP 85662A was a bit more complicated.* In this case, both panels of the instrument were missing, along with the board covers and even the cover for the high-voltage module.

I like the LED Displays on the HP-5343A over the LCD Display on the HP-5351B. I sold the HP-5351B for that reason (besides being big for a counter), and restored the HP-5343A - mostly Power Supply

No display at all suggests a possible PSU issue? Always the most likely cause of such things.. I would suggest to start there.. Just my 2p worth! Regards Nigel Sent: 11 September 2024 16:43 To:

Hi I switched on my HP54610B scope today having not used it for a couple of years. The fan started (possibly a bit noisier and a bit slow but I’m not sure), and the display remained blank, even

If another sample is useful I can coerce my HP8595E into providing one. Just let me know. Wilko

Hello John, As Yves has said, there are no equivalent connectors on the 5351B. The 8350/83592 are quite old and the calibration procedure calls for equipment (5343A) of the same era. The more modern

Hi, On the 5351B there is no TRIGGER INPUT, only a function by pressing the TRIG button or via GPIB. De : [email protected] <[email protected]> De la part

Hi Yves, and thank you for the answer. As you can see in the "Operating and service manual of Hp83592A plug-in" in a *Frequency Range and Accuracy Test* page 4-3 the connection is

I figured this one out after getting my hands on some pictures. I uploaded the info here:

I can happily report that a still widely available (albeit expensive) HRPG-AD32#16F is a drop-in replacement that works perfectly, both mechanically & electrically. — Andy

Hi all, I have a few current probes in my collection and I'm now looking at getting a probe deskew fixture. I want to replicate the Tek 067-1686-00, but with some 555 timers to make it self contained

Adri, Here for information, is the DANL and flatness test that I did, at the end of April 2024, after the YTF change and recalibration. When you have completed everything, you should have similar

Hi, Good news. I just reassembled my 8595E, and after some checks, everything seems normal. I put a comparative image between our two Spectrum. I also did a sweep in 100 kHz to better see the

hello Yves, I received the 2nd converter and, after testing it on the bench (if you are interested I will give you the two test configurations) I installed it and voilà, the machine is back to

Hi All, Buoyed by Wilko's recent success, I wonder if anyone has a pull out reference card for the 8901B? Regards Lou VK3ALB

John, I’ll take them if they’re still available. They should be able to go by media mail. Steve WB0DBS

Have two binders to get rid of. Both in the oem plastic wrap. If anyone is interested I’ll see what is the cost to mail. And maybe $20 for the two. HP 8360 B-Series Swept Signal Generator/ HP 8360