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HP 4142B Modular DC Source/Monitor
Service Manual
SERIAL NUMBERS
This manual applies to instruments with serial numbers 271GJ-, 2839J-, 294QJ-, and 312PJ-.
This literature was published years prior to the establishment of Agilent Technologies as a company independent from
Hewlett-Packard and describes products or services now available through Agilent. It may also refer to
products/services no longer supported by Agilent. We regret any inconvenience caused by obsolete information. For
the latest information on Agilent's test and measurement products go to:
www.agilent.com find products
Or in the US, call Agilent Technologies at 1-800-452-4844 (8am-8pm EST)
HP Part No. 04142-90210
Printed in Japa.n February 1992
Edition 3
E0292
CONTENTS
CHAPTER 1, SERVICE INTRODUCTION
Introduction .eeea l ooooooo................................ . . . . l-l
Performance Verification Tests . . . . . . . . . . . . ..o......... l oooo+. l-l
Test Record * l l ooooooo.......................... l oooo.oo.o.. l-l
Calibration Cycle l ooo*o*oooooooooo.o.ooo..o l ooooooooo 0.00.. l-l
Adjustments l ooooooooooooooooooooooooooo.oo..ooooo l ooooooooooo 1-2
Repair Policy l oooooooooooooooooooooo.oooooo.ooooo l ooooooooooo 1-2
Required Equipment l oooooooooooooooooooooooooooooooooooo 0.00.. l-2
Service Kits 00000000 l ooooooooooooooooooooooooooooooo 0 0 0 0 0 0 0 0 . l-5
Product Support Package . l oooooo..o.*.oo.ooooooo.oo.... . . . 0 . l-5
Field Service Inventory l ooooooo.oooooooooooooooooooooo.oooo l-6
Upgrades l *.* l oo.oo.oo.o l o.ooooo.o.ooo.o.o.o..ooo.o.oo 0 0 0 0 . . 0 0 l-7
CHAPTER 2, PERFORMANCE VERIFICATION
Introduction . .. l oooooooooooo l ooooooooooooooooooooooo. 0 0 0 0 0 0 0 0 2-l
Preparation ..~~~.~~ l .oooooooooo.o.ooo.o l oo..oooooo.oo.ooo.ooo 2-l
Starting the P.V. Software..... oooooooo.o l 00000000 l oooooo.ooo 2-3
Executing Performance Verification ...... l oo.o.oo.oo..ooooo.oo 2-11
Connections for Each Test Item l ooooooooo..ooooooooooo l ooooooo 2-22
Viewing Test Results .o.ooooooooo l ooooooooooooooo.o l ooo.oooooo 2-38
Factory Setting of the P.V. Software l oooooooooooo l ooooooo. too 2-61
Performing Safety Tests for the HVU l ooooooooooooo l ooooooooooo 2-62
CHAPTER 3, ADJUSTMENTS
Introduction l oooooooooooooooo 0 0 0 0 0 0 0 0 00.0000 l o.oooooo..ooo.oo 3-l
Safety Considerations l oooooooooooooooooooooo.o.oo l ooooo.ooo 3-l
Preparation l oooooooooooo l ooooooooooooo.oo. l oooooooooooooooooo 3-2
Adjusting *. 0 0 0 0 0
l l ooooooo.ooooooo.ooo.ooooooooo l oooo.ooooo 0 0 0 3-2
Setup for Each Adjustment