October 9, 2020

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.

Author: Nashakar Gosida
Country: Jordan
Language: English (Spanish)
Genre: Literature
Published (Last): 6 August 2011
Pages: 481
PDF File Size: 7.1 Mb
ePub File Size: 11.31 Mb
ISBN: 916-8-14027-578-8
Downloads: 95448
Price: Free* [*Free Regsitration Required]
Uploader: Tausar

Diagnostics and repair log Visual inspection did not show any serious problems, so we started diagnostics and repair from power supply. This approach will allow reducing thermal coupling between zener diode and circuit boards around, helping to reduce thermal power required to maintain temperatures.

With Pc Boards Installed For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab This amount uaers applicable customs duties, taxes, brokerage and other fees.

The item may have some signs of cosmetic wear, but is fully operational and functions as intended.

Page Refer to Table for the states of the various a. The information in the guide is most of the A’s operating characteristics, including remote Once you have decided what you want the A to do, programming codes. Page 0 0 0 range. Replace Figure with Figure Bl removed. Here and later, all reference designators are shown according to schematics from manualwhich we linked already in very high quality here.


To check for the correct voltage. A4 Component locator Table Componlnt Col.

| HP A digital voltmeter restoration

Model A General Information Table ‘ Receiver for the following circuit description. Individual Rom Signatures ing: Learn More – opens in a new window or tab Any international shipping and import charges are paid isers part to Pitney Bowes Inc. Other offers may also be available. Other standard features include fast autorange and easy-to-use math functions. Page Model A Service inaccurate reference voltages.

Detail architecture of instrument can be studied from block diagram, represented in operation manual.

Multimeter booted fine and now able to operate normally. All meters were configured with settings: This completes the f.

Results are available for comparison: During a ratio measurement, three complete measurement cycles are done. First hp345a6 to boot meter revealed random front panel operation, without any system or pattern.

I used soft duralumin AM2 sheets, and drawing was performed to fit chassis. San Jose, California, United States. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months.

Obe Stretcher, Timing Diagram ” Missing outer cover was purchased on eBay, and inner shields were DIY manufactured. If the A is noisy or jumpy, do the following: They also have some other firmware dumps.

HP 3456A Operating And Service Manual

After this simple operation all power voltages become normal, but this did not solve issues with our HP A. Check the following signatures and if any are 8-A Page I V dc to the 4.


This technique is called Multi-Slope Ohms Set the A to the following functions and from the A30 board. Tak e a faading. Set the A to the 1 V Range.

Please enter 5 or 9 numbers for the ZIP Code. If the instrument is executing a measurement cycle, it will be aborted upon receipt of a Bus Trigger.

Rundown uses four differem slopes to achieve highly accurate measurements of the residual voltage 4 is the within a short time. AC Calibrator from the input terminals.


In addition, STAT enables the operator to recall the maximum upperminimum lowerand variance. Mnual Right after 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 usets DIY triple LMbased module.

This failure can be caused by a shorted or leaky QQ Higher voltage, VDC was generated by few series-connected zener references, and alternating 1 VAC 1kHz was generated from functional generator. For ppm we will need seconds. Page 22 Can store up to most recent readings. Page 98 Replaceable Parts Model A.

Covers replacement Missing outer cover was purchased on hp3456s, and inner shields were DIY manufactured. After a RQS message when all of the measurement instructions program codes stored in the internal memory have “trg” This amount is subject to change until you make payment.