Troubleshooting ....................................................................... 4-13
Display board checks ........................................................ 4-13
Power supply checks ......................................................... 4-13
Digital circuitry checks ..................................................... 4-14
Analog signal switching states .......................................... 4-14
5 Disassembly
Introduction ................................................................................ 5-2
Handling and cleaning ............................................................... 5-2
Handling PC boards ............................................................ 5-2
Solder repairs ...................................................................... 5-2
Static sensitive devices ........................................................ 5-3
Assembly drawings .................................................................... 5-3
Disassembly procedures ............................................................. 5-4
Case cover removal ............................................................. 5-4
Motherboard removal .......................................................... 5-4
Card cage removal .............................................................. 5-5
Front panel disassembly ...................................................... 5-5
Removing power components ............................................. 5-6
Instrument reassembly ............................................................... 5-7
Input terminal wire connections .......................................... 5-7
Power module wire connections ......................................... 5-7
6 Replaceable Parts
Introduction ................................................................................ 6-2
Parts lists .................................................................................... 6-2
Ordering information ................................................................. 6-2
Factory service ........................................................................... 6-2
Component layouts .................................................................... 6-2
A Specifications
Accuracy calculations ............................................................... A-2
Calculating DC characteristics accuracy ........................... A-2
Calculating AC characteristics accuracy ............................ A-2
Calculating dBm characteristics accuracy ......................... A-3
Calculating dB characteristics accuracy ............................ A-4
Additional derating factors ................................................ A-4
Optimizing measurement accuracy ........................................... A-5
DC voltage, DC current, and resistance: ............................ A-5
AC voltage and AC current: ............................................... A-5
Temperature: ...................................................................... A-5
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