Rohde & Schwarz ZVB 4 - Replacing Receiver Board (R&S ZVB4;8 Only)

R&S ZVB Instrument Construction and Function Description
1145.1078.82 3.43 E-4
Replacing Receiver Board
(R&S ZVB4/8 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 a Reflectometer RM8 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 a Reflectometer RM8 A510 to A540)
 Connect the mains cable and turn on at the mains switch. The instrument is now in the standby
mode
 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).
 Perform the factory system error calibration (see Factory System Error Calibration).