HELP UPA3 Re-calibration

[letron]

Hello,

I just received my R & S UPA3 analyzer

The "distortion measurement" part works very well
However when I measure the part "signal generator" I get a very high rate of distortion: 1.75%!

So I would like to recalibrate the "signal generator" part

is it very complicated?
Has someone here already done it

I have the manual sent to me by "audio king"

is it complicated from this manual to do this work?


Thanks


Alain

 

[BSST]

Hi Letron,

I have no experience with your analyzer, but I believe I'be been able help a few people repair their HP339A analyzers. I'd enjoy the opportunity to study the R&S manual and offer suggestions if you can arrange for me to get a PDF copy. I enjoy studying well-designed test equipment.

Good luck!

 

[letron]

Dear Bsst,

I thank you for your proposal
can you give me an email address (in PM) to send you the doc (the file is quite heavy)
thank you

Alain

 

[BSST]

Hi,

PM sent.

 

[letron]

thank you steve

I just sent the files:

- In detail
- In a direct link

well received ?

 

[BSST]

Just found my way back to the forum. My private email reply indicates I couldn't find schematics at the component level. Any guidance?

Thanks.

 

[letron]

I am going to ask schematic to R&s Germany