On 1/6/2013 6:49 AM, Harke Smits wrote:
Dear all,
I also have a HP8562A (sn: 3040A5503, quite low milage btw) to work
on. The sa fires up and runs the startup procedure without any errors.
However the amplitude calibration at the higher end seems to be low by
10-15 dB. I do not suspect the mixer, right now. The cal signal at 300
MHz is fine. I got myself a TAM (HP 85629A, rev: 870218A). Page 3-6 of
the sa Installation manual gives a table of compatibilty between the
two. Unfortunately my numbers are not stated. Can someone with a newer
manual give me the correct table, please? In addition: when I start
running the Automatic Fault Isolation routine it aborts at test 3: IF
log check fauilure. "Cal Oscillator tune line error" and some more
info. But before digging further I'd like to know compatibility
between TAM and SA. It could be the reason. Can the TAM be upgraded if
necessary?
They have it for the B not the A but very expensive. I have rev C but
will not take it apart and unsolder the ROM.
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Thanks a lot so far, I expect more to come.
Kind regards,
Harke
--- On Thu, 1/3/13, Jose V. Gavila eb5agv@...
<mailto:eb5agv%40amsat.org>> wrote:
From: Jose V. Gavila eb5agv@... <mailto:eb5agv%40amsat.org>>
Subject: [hp_agilent_equipment] HP-8562A repair
To: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
Date: Thursday, January 3, 2013, 4:04 PM
Hi Joe,
I have started this new thread, but with the previous comments attached:
Perhaps we should start a 'new' thread but mine, on power on, gives ERR
317 and 334. When I hit REALIGN LO & IF, I get ERR 301 and 317.
Haven't started down that path but sounds like you had a similar issue,
perhaps.
Maybe... now I feel the urge to fix my unit :-)!!!
Well, let me look at the notes I took and also to the pictures (big
hint: take lots of pictures of all you do, they are very valuable
later!) and I will get back with the faults I found on my unit.
Best regards and thanks for igniting the fire again :-)
JOSE
-----Original Message-----
Hi Joe,
I have an 8562A project as well that I haven't had time for yet.
Hopefully in 2013.
Interesting !
Mine was bought at eBay UK cheap, as it was non working. When I got it
and fixed the power supply, I was able to barely see (without light in
the room!) that it had more than 43.000 hours on it. It generated
several errors: ERR 304 ROL UNLK, ERR 324 FREQ ACC and ERR 301 YTO UNLK.
I was able to fix all of them (I will detail that on another post) and
it seems to work, but then there is the extremely dimm display. And that
is the condition it is now.
Regards,
JOSE
--
73 EB5AGV - JOSE V. GAVILA - IM99sm La Canyada - Valencia(SPAIN)
AGVradio
Personal WEB
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