Maintenance - Fluke 9640A Series Instruction Manual

Introduction.......................................................................................................... 7-3
Contacting Fluke.................................................................................................. 7-3
General Maintenance ........................................................................................... 7-3
Replacing Fuses............................................................................................... 7-3
Cleaning the Air Filter..................................................................................... 7-3
Disassembly and Reassembly .............................................................................. 7-4
Before You Start.............................................................................................. 7-5
Removing External Hardware Components .................................................... 7-5
Handles........................................................................................................ 7-5
Top and Bottom Covers .............................................................................. 7-6
Bottom Feet................................................................................................. 7-6
Shields......................................................................................................... 7-6
Air Filter .......................................................................................................... 7-6
Removing Major Assemblies .......................................................................... 7-8
A2 RF Output PCA ..................................................................................... 7-8
1P 2W Coaxial Relay .................................................................................. 7-9
A6 Front Panel Assembly ........................................................................... 7-9
A6A1 Display and A6A2 Keypad PCAs .................................................... 7-10
A3 Digital PCA ........................................................................................... 7-11
A1 Synthesizer PCA ................................................................................... 7-12
Fans ............................................................................................................. 7-13
Rear Panel Assemblies ................................................................................ 7-14
A5 Interconnection PCA ............................................................................. 7-15
A7 Power Transformer Assembly and T1 Low Voltage Transformer........ 7-15
A4 Power Supply PCA................................................................................ 7-15
A9 Leveling Head 50 Ω and 75 Ω -Disassembly and Reassembly ................ 7-16
Leveling Head Disassembly Procedure...................................................... 7-16
Leveling Head Reassembly Procedure........................................................ 7-17
Reassembling the Instrument .......................................................................... 7-18
User-Initiated Self Test ........................................................................................ 7-19
Running Self Test ............................................................................................ 7-19
Reviewing the Results ..................................................................................... 7-21
Interpreting the Results.................................................................................... 7-22
Firmware Upgrade ............................................................................................... 7-24
Equipment Required for the Restore or Upgrade ............................................ 7-24
Installing the Firmware.................................................................................... 7-24
Title
Chapter 7

Maintenance

Page
7-1