Rohde & Schwarz ZVB 4 - Page 68

Instrument Construction and Function Description R&S ZVB
1145.1078.82 I-3.2 E-4
Troubleshooting - Boot Error ....................................................................................................3.57
Troubleshooting with the Selftest .............................................................................................3.58
Checking the Temperature Sensors.........................................................................................3.63
Service Functions .....................................................................................................................3.64
Determining which Boards are defective ..................................................................................3.68
Board Test ................................................................................................................................3.69
Testing the frequency reference board.....................................................................................3.70
Testing the Synthesizer Board..................................................................................................3.71
Testing the Reflectometer RM8...............................................................................................3.74
Testing the Reflectometer RM20.............................................................................................3.78
Testing the LO Divider Board ...................................................................................................3.82
Testing the Network Controller Board ......................................................................................3.83
Testing the Motherboard...........................................................................................................3.84
Fig. 3-1 Block diagram of the R&S ZVB4 and R&S ZVB8 2 ports ................................................3.2
Fig. 3-2 Block diagram of the R&S ZVB4 and R&S ZVB8 3 ports (with LO-Divider) ....................3.3
Fig. 3-3 Block diagram of the R&S ZVB4 and R&S ZVB8 3 ports (without LO-Divider)...............3.4
Fig. 3-4 Block diagram of the R&S ZVB4 and R&S ZVB8 4 ports (with LO-Divider) ....................3.5
Fig. 3-5 Block diagram of the R&S ZVB4 and R&S ZVB8 4 ports (without LO-Divider)...............3.6
Fig. 3-6 Block diagram of the R&S ZVB14 and R&S ZVB20 2 ports ............................................3.7
Fig. 3-7 Block diagram of the R&S ZVB14 and R&S ZVB20 2 ports with option B16 ..................3.8
Fig. 3-8 Block diagram of the R&S ZVB14 and R&S ZVB20 4 ports ............................................3.9
Fig. 3-9 Block diagram of the R&S ZVB14 and R&S ZVB20 4 ports with option B16 ................3.10