HP8566 MANUAL PDF

It is so heavy that engineers at HP had to split it into two units so that they could be moved by a single person relatively easily. Even so, the two units weigh in at more than 50 pounds each. And because it is so heavy, shipping damage is common for these used units if you could buy one locally, it is probably the safest way to go. Mine is also no exception. My units arrived in two separate boxes.

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Migami Everybody suggested it was a matter of failed capacitors in the YTO control boards. See each listing for manuak shipping options and costs. Skip to main content. Unfollow hp service manual to stop getting updates on your eBay Feed. Someone had been here before, as there were some test pins with globs of solder.

Please enable JavaScript on your browserthen try again. So unit kind of works!!!. So I have temporarily removed it and temperature has gone to reasonable levels, but still very hot. For more recent exchange rates, please use the Universal Currency Converter. Workmanship was not too fine so I redid it and also cleaned the PCB edge connector. All Listings filter applied. I hope at least you can see something! You will need to build bypass networks 4 of them. Here you can see the displays for both adjustments: And, yes, all were OK except for the suspicious one, which was open: This page was last updated: Here you have all of them, one by one: There is one adjustment in each of the five filter stages.

Vladan So, once all the cards had been carefully cleaned, including edge connectos, I got them back to the unit and checked again, just in case it was only a matter of bad contacts Each stage has to be adjusted while the others are bypassed with those networks. The exceptional frequency stability of the Hewlett Packard A make measurements with a 10 Hz resolution bandwidth easy.

As I suspected and John suggested, the extra gain was a problem. Any help on this ;-? The network consists of a resistor and a capacitor. Of course, I cleaned them. But something is not working fine to have such a big difference.

Turn off email alerts. Yes, I know this is NOT the correct way to deal with this and I would need to manaul as Vladan suggested, but I have no time now to devote so much work to the unit and, well, I was eager to have a fast solution, even if not perfect.

So I cleaned and resoldered it carefully As oven was still heating, there were some errors: Excellent frequency stability, sensitivity, and frequency-reference accuracy combine to allow very accurate measurement of small signals in the presence of large ones.

Once cleaned, display unit showed a nice test pattern consistently so I decided to connect it again with the RF unit In that case, the manual calls for a Manual Calibration Procedureexplained also there. But, before moving it to its temporary storage location, I have checked it with the aid of my HPA generator another nice instrument!

Condition see all Condition. This narrow resolution bandwidth yields sensitivities to dBm. The network is described in the manual. More to come manuxl I will investigate what is happening exactly at that moment, as previous steps run fine, in order to try to correct the problem and have the unit finish the procedure. If one of the stages is not adjusted, the amplitude will be too high. Refine more Format Format.

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EB5AGV's Workbench: HP-8566A repair

Migami Everybody suggested it was a matter of failed capacitors in the YTO control boards. See each listing for manuak shipping options and costs. Skip to main content. Unfollow hp service manual to stop getting updates on your eBay Feed. Someone had been here before, as there were some test pins with globs of solder.

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HP8566 MANUAL PDF

I began with the display section. There is a way to operate it without the RF unit, by placing a couple jumpers, one to start the unit and another one to select TEST mode. Wiggling somewhat the cards I got an still better one And then Right image come and went by barely touching the cards, specially the A6 one. Once cleaned, display unit showed a nice test pattern consistently so I decided to connect it again with the RF unit So I decided to get all cards out and carefully clean them and the card cage I am now reinserting them

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