R&S ZVA8 - Replacing Receiver Board (ZVA8 Only)

R&S ZVA Repairs
1177.5333.02 3.59 E-11
Replacing Receiver Board (ZVA8 only)
(See Chapter 5, Spare Parts List, Item 120, 125 and drawing 1302.4960.08)
Opening the instrument and removing the board
 Remove the reflectometer (see chapter Replacing Reflectometer Board A510 to A540)
 Remove the cover (150)
 Pull off the receiver board (120, 125)
Installing the board and reassembling the instrument
 Fit the new receiver board (120, 125)
 Fit the cover (150)
 Reinstall the reflectometer (see chapter Replacing Reflectometer Board A510 to A540)
 Connect the mains cable, turn on at the mains switch and press the ON key.
 Select Service Level 2 (see Service Functions).
 When the instrument has been started, check the protocol file for errors:
[ INFO : Error Log ]
 Record the generator and receiver correction data (see Recording Correction Values in chapter 2).
 Perform the factory system error calibration (see Factory System Error Calibration in chapter 2).