Instrument Construction and Function Description R&S ZVB
1145.1078.82 3.40 E-4
Installing the motherboard and reassembling the instrument
N.B.: The motherboard is the passport of the instrument and unique for every unit.
The Eprom on the motherboard contains the serial No. of the instrument.
Pre-configured motherboards are not available.
Install the new motherboard by reversing the removal procedure.
N.B.: Install the motherboard carefully to prevent any damage to components.
Lettering indicates where cables are to be connected.
Reinstall the front module controller, front unit, power supply, boards and cables, instrument covers,
enclosure and rear-panel feet by reversing the disassembly procedure.
Connect the mains cable, turn on at the mains switch and press the ON key.
For writing motherboard data to the Eprom please contact the service center in Munich.
Select Service Level 2 (see Service Functions).
Check the protocol file for errors: [ INFO : Error Log ]
Align the DC inputs (see Aligning the DC Inputs)
Write synthesizer mapping and shift data to the motherboard Eprom (see Correction Value
Recording)
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