Electronics > Repair
HP-8569 Spectrum Analyzer Repairs
xrunner:
Cool! I remember having one of these in the lab at work, looking forward to many pics. :-+
bitseeker:
I missed this back in March. Onboard now for the rest of the saga. Go Sue! :-/O
AF6LJ:
Plenty of pictures to come.
A comment on the manual.
It does a fairly good job of guiding you though assembly and dissambly, there are parts in the manual that have you with your hands really full...
There will be little to no consequence to swapping around front panel parts, the only adjustment on the front panel that is not adjusted from the front is the external mixer bias zero adjust pot.
I haven't looked up the procedure but this analyzer won't be used with an external mixer for the foreseeable future. I'll do it anyway according to the book.
The manual is easy enough reading for someone of intermediate skill level, it is actually pleasurable to read.
Stay Tuned.............
tautech:
--- Quote from: AF6LJ on March 21, 2017, 03:24:33 pm ---Since the freely available manuals online were garbage, to put it nicely, I want to Artek Manuals http://artekmanuals.com/ and picked up the three volume set for a very reasonable price (under $20.00USD) and received a wonderfully scanned manual set.
These guys are great and the price is so reasonable....
--- End quote ---
Yep you can't beat a hardcopy for a job like this.
Remember you talking about these coming up and don't know how I missed it. ::)
Following.....
KD0CAC John:
Hay Sue ,
I have 3 of the HP 8640B's and have the stake type sw. also and plan on touching up with a little epoxy to prevent loss .
Thats aside from buying used / supposed working , no output - just another project added to pile .
Nice repair post .
John
KD0CAC
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