Rohde & Schwarz ZVB 4 - Board Overview

R&S ZVB Instrument Construction and Function Description
1145.1078.82 3.21 E-4
Board Overview
Table 3-1 Overview: Board Replacement
Board Actions after replacement
Function test Alignment
Recording of correction
values
System error calibration
Other
Front module controller Check error log BIOS update
Lithium battery Check error log
Hard disk Check error log System error calibration FW update
LC display / DC/AC converter Functional test
Flexible switch board
(keyboard)/
key pad
Functional test
Front cover
Disk drive Check the directory structure
USB board Test with mouse, keyboard
Power supply Check error log
Fan
Motherboard Check error log
Alignment DC measurement
inputs
Reflectometer
Check error log Record correction values
System error calibration
Input connector port 1 to 4
(R&S ZVB4/8 only)
Check error log System error calibration
Bridge unit
(R&S ZVB4/8 only)
Check error log
Record correction values
System error calibration
Coupler unit
(R&S ZVB20/22 only)
Check error log
Record correction values
System error calibration
Reflectometer fan Check error log
Network controller Check error log
Record correction values
System error calibration
Alignment DC measurement
inputs
Synthesizer Check error log
Record correction values
System error calibration
LO divider Check error log
Record correction values
System error calibration
Frequency reference Check error log
Alignment
Frequency accuracy