R&S ZVA8 - Board Overview

R&S ZVA Repairs
1177.5333.02 3.27 E-11
Board Overview
Table 3-1 Overview: Board Replacement
Board
Measures taken 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
System error calibration
Alignment DC measurement
inputs
Reflectometer
Check error log
Record correction values
System error calibration
Input connector port 1 to 4
(ZVA8 only)
Check error log
System error calibration
Bridge unit
(ZVA8 only)
Check error log
Record correction values
System error calibration
Coupler unit
(ZVA24, ZVA40, ZVA50 and
ZVA67 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