Check the power supplies and replace the bad filter capacitors.
Glenn
On 10/21/2017 3:07 PM,
jehancoc@... [hp_agilent_equipment] wrote:
I opened up my 8566B and found that the +12v on the A17 board
to be reading 9.5V with 4.5 of AC ripple.??? The fuses on this
board are ok.? No burning ext.
Should I just find a used board?? Is this board used in any
others like the 8568b?
Thanks again.
--
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Glenn Little ETCS(SS) USN Ret, ARRL Technical Specialist, SBE ARRL TAPR
Amateur Callsign: WB4UIV wb4uiv@... AMSAT LM 2178
QTH: Goose Creek, SC USA (EM92xx) USSVI, FRA, NRA LM QCWA LM 28417
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"
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