R&S ZVA8 - Contents - Chapter 3 Repairs

R&S ZVA Repairs
1177.5333.02 I-3.1 E-11
Contents - Chapter 3 "Repairs"
3 Repairs .......................................................................................................................................3.1
Instrument Construction and Function Description .......................................................................3.1
Block Diagram ............................................................................................................................3.2
Description of the Block Diagram ...............................................................................................3.6
Board Replacement ...................................................................................................................3.26
Board Overview ........................................................................................................................3.27
Replacing Front Module Controller A90 ...................................................................................3.28
Replacing Front Modul Controller FMR7 by FMR9 ..................................................................3.31
Replacing Front Modul Controller FMR7/FMR9 by FMR11 .....................................................3.34
Replacing the Lithium Battery on the Front Module Controller .................................................3.39
Removing the lithium battery ....................................................................................................3.40
Replacing Hard Disk A60 (not with FMR9) ...............................................................................3.42
Replacing LCD A70 and the DC/AC Converter ........................................................................3.43
Replacing Flexible switch board (Keyboard) A16 / Key Pad A15.............................................3.45
Replacing the Front Cover ........................................................................................................3.48
Replacing Disk Drive A30 .........................................................................................................3.49
Replacing USB Board A40 .......................................................................................................3.50
Replacing Power Supply A20 ...................................................................................................3.51
Replacing Fuse board A21 .......................................................................................................3.52
Replacing a Fan ........................................................................................................................3.53
Replacing Motherboard A10 .....................................................................................................3.54
Replacing a Reflectometer RM8 A510 to 540 ..........................................................................3.57
Replacing Generator Board (ZVA8 only) ..................................................................................3.58
Replacing Receiver Board (ZVA8 only) ....................................................................................3.59
Replacing Generator and Receiver Cover (ZVA8 only) ...........................................................3.60
Replacing the Inner Conductor of a Port Connector (ZVA8 only) ............................................3.61
Replacing the Bridge Unit (ZVA8 only) .....................................................................................3.62
Replacing a Reflectometer RM24 A510 to 540 ........................................................................3.63
Replacing a Reflectometer RM40 and RM50 A510 to 540 ......................................................3.64
Replacing a Reflectometer RM67 A510 to 540 ........................................................................3.65
Replacing the Reflectometers on ZVA80-BU ...........................................................................3.66
Replacing the Coupler Unit (ZVA24, ZVA40, ZVA50, ZVA80-BU port1 and port2) .................3.67
Replacing the Coupler Unit (ZVA67) ........................................................................................3.68
Replacing the Test Set (ZVA40 only) .......................................................................................3.69
Replacing the Diplexer ZVA-ZD80 (ZVA80) .............................................................................3.69
Replacing the Diplexer ZVA-ZD110 (ZVA110) .........................................................................3.69
Replacing a Converter ZVA-Z75 to ZVA-Z500 .........................................................................3.69
Replacing the Reflectometer Fan .............................................................................................3.70
Replacing Network Controller Board A130, A140 ....................................................................3.71
Replacing Synthesizer Board A150, A160 ...............................................................................3.72
Replacing Frequency Reference Board A100 ..........................................................................3.73
Converting R&S ZVA24(40) 4Ports to R&S ZVA24(40) 4Ports with
four phasesynchronized sources (Model 28 or 48) ..................................................................3.73