HP 3478A Technical Manual page 8

Section Section Page Page
V. V. REPLACEABLE REPLACEABLE PARTS............ PARTS.....................
5-1 5-1. . Intr Introduct oduction....... ion........... ........
5-4 5-4. . Order Ordering Informa ing Information... tion.......
5-6. Non-Listed 5-6. Non-Listed Parts Parts........ .................
5-8. Parts Changed........................................... 5-8. Parts Changed........................................... ....5-1
5-10. Propriety 5-10. Propriety Parts Parts........ .................
5-12. 5-12. 3478a 3478a Disassembly Procedure................. Disassembly Procedure.................. . ....5-2
Section Section Page Page
VI. VI. BACKDATING BACKDATING ......... ..................
6-1. 6-1. Introduction................................... ....6-1 Introduction...................................
Section Section
VII. VII. SERVICE ........ SERVICE ................. ..................
7-1. . Intr 7-1 Introduct oduction....... ion........... ........
7-3. Safety 7-3. Safety Consideration Consideration ........
7-8. 7-8. Recommended Test Equipment Recommended Test Equipment
7-10. 7-10. Miscellaneous Miscellaneous Information............... Information.........................
7-11. Instrument Disassembly 7-11. Instrument Disassembly
(PC (PC Board Board Replacement) Replacement) .........
7-13. 7-13. Fuse Fuse Replacement Replacement .........
Tables Tables
3-1 3-1. . Shift Shifted Opera ed Operations..... tions.........
3-2. 3478A 3-2. 3478A Error Error Messages............... Messages........................
3-3. 3-3. 3478A 3478A Bus Bus Capabilities..... Capabilities..............
3-4. . Statu 3-4 Status Byte Definit s Byte Definitions
3-5. 3478A 3-5. 3478A Address Address Codes........... Codes....................
3-6. 3478A Program 3-6. 3478A Program Codes Codes .........
3-7 3-7. . Binary Binary Stat Status us Byte Byte Defin
4-1 4-1. . Abb Abbrev reviat iated ed Spe Specif cifica
4-2. 4-2. Recommended Test Equipment Recommended Test Equipment ..........
4-3. 4-3. DC Volts DC Volts Test Limits Test Limits ........
4-4. . DC C 4-4 DC Curren urrent Te t Test st Limit Limits s ....
4-5 4-5. . AC AC Volts Volts Test Test Limit Limits s ....
4-6 4-6. . AC AC Curre Current nt Test Test Limit Limits s ....
4-7. Ohms Test Limits 4-7. Ohms Test Limits .........
TABLE OF CONTENTS ( TABLE OF CONTENTS ( Cont'd)
............... ..........5-1 ....5-1
........ ........ ........ ........ ........ ........ ........ ........ ..... . ....5-1 ....5-1
........ ........ ........ ........ ........ ........ ........ .... ...5-1
.................. .................. .............. ..... ....5-1 ....5-1
....5-1
.................. .................. .................. ......... ...5-1
....5-2
.................. .................. ................ ....... ....6-1 ....6-1
....6-1
.................. .................. ................ ....... ....7-1 ....7-1
........ ........ ........ ........ ........ ........ ........ ........ ..... . ....7-1 ....7-1
................. .................. ................ ....... ....7-1 ....7-1
........... . ...7-1
.................. .................. ................. .......... .. ...7-1
.................. .................. .................. ......... ....7-1 ....7-1
........ ........ ........ ........ ........ ........ ....... .... . ....3-6 ....3-6
............... ...... ....3-7 ....3-7
.................. ................ ....... ....3-8 ....3-8
ions.... ........ ........ ........ ........ ........ ........ ........ .... ...3-10
.................. ............ ... ...3-11
.................. .................. ............ ... ....3-12 ....3-12
Definition....... ition........... ........ ........ ....... ... ...3-14
icatio tions Table ns Table ... ...... ...... ...... ..... ... . ...4-1
................ ..........4-2 ....4-2
................. .................. ................. ........ ....4-5 ....4-5
........ ........ ........ ........ ........ ........ ...... .. ....4-7 ....4-7
........ ........ ........ ........ ........ ........ ........ ...... .. ....4-8 ....4-8
........ ........ ........ ........ ........ ........ ....... ... ...4-9
.................. .................. .................. ........... .. ....4-10 ....4-10
Cont'd)
Section Section
7-15. 7-15. Troubleshooting......................................... Troubleshooting......................................... ....7-2
7-16. Introduction................................................ 7-16. Introduction................................................ ....7-2
...5-1
7-18. 7-18. 3478A Self-Test......................................... 3478A Self-Test......................................... ....7-2
7-27. Service 7-27. Service Group
...5-1 Service Service Groups
A A DC Volts and DC Current DC Volts and DC Current
B B AC Volts and AC Current AC Volts and AC Current
C C Ohms Troubleshooting............... Ohms
D D A/D Converter and Logic A/D Converter and Logic
Page Page
E E Power Supplies and Reference Power Supplies and Reference
F F Theory of Theory of Operation
Schematics.................... Schematics...........
...7-1 APPENDIX A... APPENDIX A...................................................
B. B.
...7-1 C. C.
D. D.
E. E.
F. F.
LIST O O F F TABLES LIST TABLES
Page Page Tables Tables
4-8. . DC 4-8 DC Volts
4-9 4-9. . DC Cur DC Curren
4-10. AC Volts Calibration and Test 4-10. AC Volts Calibration and Test ..........
...3-10 4-11. 4-11. AC Current Calibration and Test AC Current Calibration and Test .........
...3-11 4-12. 4-12. Ohms Calibration and Tes Ohms Calibration and Test t ..........
5-1 5-1. . Stan Standard
...3-14 5-2 5-2. . Code Code List
...4-1 5-3. Replaceable Parts List 5-3. Replaceable Parts List .........
5-4. 5-4. 3478A Mechanical and 3478A Mechanical and
Miscellaneous Miscellaneous Parts
7-1. . 3478A 7-1 3478A Serv
7-F-1. 7-F-1. Ohms Current and Ranges Ohms Current and Ranges .........
...4-9 7-F-2. AC 7-F-2. AC Amplifi
A-1. A-1. 3478A Device 3478A
A-2. A-2. HP-IB HP-IB Worksheet
iv iv
Group Selection........ Selection................
Groups ........ ................. .................. .................. ..................
Troubleshooting ......... Troubleshooting .................. ..................
Troubleshooting Troubleshooting ......... .................. ..................
Troubleshooting........................
Troubleshooting ......... Troubleshooting .................. ..................
Troubleshooting Troubleshooting ......... .................. ..................
Operation ......... ..................
.................. ...............
................................................ .. ... . A-
References........ References ................. ..................
Components of of End Components End Item
List................................................. .. ... . C- List.................................................
Additional Additional Authorization Authorization
List(Not Application:) List(Not Application:)
Maintenance Maintenance Allocation Allocation ...........
Expendable Expendable Supplies Supplies and
Material List(N/A) Material List(N/A)
Volts Calibr Calibration ation and and Test..... Test.........
rent Calib t Calibrat ration and Te ion and Test....
dard Abbre Abbreviati viations...... ons..........
List of of Manu Manufactu facturers rers ....
..................
Parts ......... ..................
Service ice Group Groups s .... ........
Amplifier ..................... er .......................................
Device Capability .... Capability ..............
Worksheet ........ ................. ..................
TM 11-6625-3071-14 TM 11-6625-3071-14
Page Page
....7-2
....7-2
....7-2
................ ............ .... ....7-2 ....7-2
.................Page ........Page
................ ....... ... .... . 7-A 7-A-1 -1
................ ....... ... ... 7-B 7-B-1 -1
............ ... .... .... 7-C- 7-C-1 1
................. ........ ... ... 7-D- 7-D-1 1
................ ....... ... ... 7-E 7-E-1 -1
.................. .............. ..... ....7-F-1 ....7-F-1
...... .... .... 7-G- 7-G-1/ 1/ 7 -G-2 7-G-2
A-1 1
.................. .......... . .. ... . B- B-1 1
Item
C-1 1
.................... ......... E-1 E-1
and
Page Page
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st....... ..... ..... ..... .... .. ... ... 4-1 4-15 5
.................... ............ ... . 4-1 4-17 7
................ .......... ... 4-1 4-18 8
.................... .............. .... ... ... 4-1 4-19 9
........ ........ ........ ........ ........ .... .. ... . 5- 5-1 1
........ ........ ........ ........ ........ .... .. ... . 5- 5-2 2
.................. ............ ... ... .... . 5-3 5-3
.................. ................. ........ .. ... . 5- 5-9 9
........ ........ ........ ........ ........ ..... . ... .... . 7-2 7-2
.................... .............. ... ... ... 7-F 7-F-7 -7
........................ ...... .. ... . 7-F 7-F-9 -9
.................... ............ .. ... .... . A-3 A-3
.................. ............ ... ... .... . A-4 A-4