5520A
Service Manual
2
3
4
Theory of Operation ........................................................................... 2-1
2-1.
Introduction........................................................................................... 2-3
2-2.
2-3.
2-4.
DDS Assembly (A6) ............................................................................. 2-5
2-5.
2-6.
2-7.
2-8.
Power Supplies ..................................................................................... 2-8
2-9.
Outguard Supplies ............................................................................ 2-8
2-10.
Inguard Supplies............................................................................... 2-8
3-1.
Introduction........................................................................................... 3-3
3-2.
3-3.
Calibration ............................................................................................ 3-5
3-4.
3-5.
3-6.
3-7.
3-8.
3-9.
3-10.
3-11.
3-12.
3-13.
3-14.
3-15.
3-16.
3-17.
3-18.
3-19.
3-20.
3-21.
3-22.
3-23.
3-24.
3-25.
3-26.
3-27.
3-28.
3-29.
3-30.
3-31.
3-32.
3-33.
3-34.
Maintenance........................................................................................ 4-1
4-1.
Introduction........................................................................................... 4-3
4-2.
Access Procedures ................................................................................ 4-3
4-3.
4-4.
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