HP 3478A - Page 8

TM 11-6625-3071-14
TABLE OF CONTENTS (Cont’d)
Section Page
V. REPLACEABLE PARTS...............................5-1
5-1.Introduction....................................................5-1
5-4.Ordering Information......................................5-1
5-6.Non-Listed Parts............................................5-1
5-8.Parts Changed...............................................5-1
5-10.Propriety Parts...............................................5-1
5-12.3478a Disassembly Procedure......................5-2
Section Page
VI. BACKDATING...............................................6-1
6-1. Introduction.......................................6-1
Section Page
VII. SERVICE.......................................................7-1
7-1.Introduction....................................................7-1
7-3.Safety Consideration.....................................7-1
7-8.Recommended Test Equipment
7-10.Miscellaneous Information.............................7-1
7-11.Instrument Disassembly
(PC Board Replacement)........................................7-1
7-13.Fuse Replacement........................................7-1
Section Page
7-15.Troubleshooting.............................................7-2
7-16.Introduction....................................................7-2
7-18.3478A Self-Test.............................................7-2
7-27.Service Group Selection................................7-2
Service Groups....................................................Page
A DC Volts and DC Current
Troubleshooting......................................7-A-1
B AC Volts and AC Current
Troubleshooting.....................................7-B-1
C Ohms Troubleshooting...............................7-C-1
D A/D Converter and Logic
Troubleshooting......................................7-D-1
E Power Supplies and Reference
Troubleshooting.....................................7-E-1
F Theory of Operation....................................7-F-1
Schematics.......................................7-G-1/7-G-2
APPENDIX A......................................................A-1
B. References.......................................B-1
C. Components of End Item
List....................................................C-1
D. Additional Authorization
List(Not Application:)
E. Maintenance Allocation....................E-1
F. Expendable Supplies and
Material List(N/A)
LIST OF TABLES
Tables Page
3-1.Shifted Operations.........................................3-6
3-2.3478A Error Messages..................................3-7
3-3.3478A Bus Capabilities..................................3-8
3-4.Status Byte Definitions...................................3-10
3-5.3478A Address Codes...................................3-11
3-6.3478A Program Codes..................................3-12
3-7.Binary Status Byte Definition.........................3-14
4-1.Abbreviated Specifications Table..................4-1
4-2.Recommended Test Equipment....................4-2
4-3.DC Volts Test Limits......................................4-5
4-4.DC Current Test Limits..................................4-7
4-5.AC Volts Test Limits......................................4-8
4-6.AC Current Test Limits..................................4-9
4-7.Ohms Test Limits..........................................4-10
Tables Page
4-8.DC Volts Calibration and Test.......................4-13
4-9.DC Current Calibration and Test...................4-15
4-10.AC Volts Calibration and Test.......................4-17
4-11.AC Current Calibration and Test...................4-18
4-12.Ohms Calibration and Test...........................4-19
5-1.Standard Abbreviations.................................5-1
5-2.Code List of Manufacturers...........................5-2
5-3.Replaceable Parts List..................................5-3
5-4.3478A Mechanical and
Miscellaneous Parts......................................5-9
7-1.3478A Service Groups .................................7-2
7-F-1.Ohms Current and Ranges ..........................7-F-7
7-F-2. AC Amplifier ................................................7-F-9
A-1. 3478A Device Capability ..............................A-3
A-2.HP-IB Worksheet..........................................A-4
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