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Keysight DAQ970A Service Manual

Keysight DAQ970A
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Keysight DAQ970A/DAQ973A Service Guide 13
Table of Contents
Software Revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Safety Symbols and Regulatory Markings . . . . . . . . . . . . . . . . . . . . . . .10
South Korean Class A EMC Declaration . . . . . . . . . . . . . . . . . . . . . . . . .11
Waste Electrical and Electronic Equipment (WEEE) Directive . . . . . . .12
Product category: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
1 Service and Repair
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Types of service available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Keysight unit exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Repackaging for shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Electrostatic discharge (ESD) precautions . . . . . . . . . . . . . . . . . . . .19
User replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Specifications and characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Operating checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
General troubleshooting hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Self-test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Power-on self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Full self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Plug-in module self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Self-test duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Battery Check and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
To verify or replace the battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
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Keysight DAQ970A Specifications

General IconGeneral
Scan RateUp to 450 channels/sec
ConnectivityUSB, LAN, GPIB (optional)
Display4.3-inch color LCD
Operating Temperature0 °C to 50 °C
Number of slots3 slots
Measurement TypesDCV, ACV, DCI, ACI, 2-wire resistance, 4-wire resistance, frequency, temperature, capacitance
Voltmeter6.5 digit
Resolution22 bits
MemoryNon-volatile memory