Rohde & Schwarz ZVAX24, Service Manual

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Board Replacement R&S ZVAX24
1312.7979.82 3.4 E-1
Board Replacement
The following section is a detailed description of board replacement. Chapter 5 tells you how to order
spare parts. It contains a list of mechanical parts and their order numbers as well as drawings relating
to board replacement.
NOTE The numbers in brackets are the item numbers in the list of mechanical parts in Chapter 5.
In turn, these item numbers are the same as the item numbers in the drawings relating to
board replacements (also in Chapter 5):
1311.2501.01 sheet 1
The terms “left” and “right” always mean left and right as seen looking at the front of the
instrument.
Board Overview
Table 3-1 Overview: Board Replacement
Board Measures taken after replacement
Interface R&S ZVAX24 Functional test
Fan unit Functional test
Power supply Check power supply output voltages
Standby board Functional test
USB board Test with mouse, keyboard
LED board Functional test
Front cover
Options: Perform relevant performance test
Port2 Receiver Monitor Output
Combiner
Harmonic Filter Source Port 1
Harmonic Filter Receiver Port 2
Harmonic Filter Source Port 3
Pulse Modulator Source Port 1
Pulse Modulator Receiver Port 2
Pulse Modulator Source Port 3
High Power Coupler Port 1
High Power Coupler Port 2