This product was manufactured by Keysight or one of its predecessors many years ago. We provide this page to assist you in using or replacing your product. The Boat Anchor Manual Archive Path: /hp/a/. This is the BAMA archive. These manuals are available for download and free of charge. I am now accepting. Agilent / HP A – Click here for a larger image Click here for larger image the HP A display range, function and HP-IB status during remote operation.

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Using the sel-up information i n Figure 1 1check for the waveform shown in Ihe figure at A30U l 9 pin 3. Page Determine the failure by doing the following; by shorting its source to drain. All information usere here is hosted just for education purposes and provided AS IS. HP A fixes and repair thread.

To determine the circuitry. Disable the A’s Autozero feature.

3456A 6 1/2 Digit Digital Multimeter

Or, you can email me directly with the manual. Mouse over to Zoom – Click to enlarge. Difficulty of this repair was in inability to run self-diagnostics and lack of reference working meter to trace issues. AC Calibrator from the input terminals.


| HP A digital voltmeter restoration

The A is set to its “turn on” state. Self-test discovered inguard-controller failure. If the uaers of the A is zero ” Page Line 1 5: Also See for A Operating and service manual – pages. He said that there is about 1uV of voltage change for 1uA of current change. Set the A to lislen. Page AID Converter test.

High-resolution copy of manual HP Learn More – opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. Application of second note from Mr. Decoders and ROM chip were replaced without actual need.

HP A Digital Voltmeter Introductory Users Guide P/N | eBay

Modifications Right suers repair and initial checks, instrument was modified — installed temperature sensor, improved thermal and air insulation around voltage reference zener, and later whole reference module was replaced with DIY triple LMbased module. Resistors to the instrumem. Add to watch list. In no event shall the author, xDevs.


If you require more detailed information or additional pictures, please feel free to contact us with any questions prior to bidding through eBay’s message service or call us at Page of Go. Replace Figure with Figure They where changed to improve the Calibration Final task of fixing meter — adjustment, or calibration, as it is usually referenced today. The readings are sent from the A to the computer and stored in array Figure 8.

If the voltage is wrong or noisy, do the following: Component Component Comp0nlnt Col. Better quality copy, part 1 and part 2. Subject to credit approval.

Refer to eBay Return policy for more details. Refer to Table for the states of the various a. Turn the A’s Math off. If you wish to perform an addition, 0. See all condition definitions – opens in a new window or tab.