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R&S ZVAX24
Board Replacement
1312.7979.82 3.7
E-1
Replacing Power Supply A200
(See Chapter 5, Spare Parts List, Items 220 and drawing 1311.2509.01)
The power supply is installed at the rear of the instrument frame.
Removing the power supply
Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull
off the enclosure (570) towards the rear.
Remove the srew (300) and the protection cover (290).
Disconnect the fuse unit (310) and the input cable from the power supply.
Remove the 2 screws (260) at the bottom and the 2 screws (270) at the rear panel.
Remove the power supply.
Installing the new power supply
Fit the new power supply by reversing the removal procedure
Connect the mains cable, turn on at the mains switch and press the ON key.
Check all voltages at the fuse unit (310) using a DC meter.
Turn off the instrument and disconnect from the mains.
Push the enclosure (570) back on and screw the 4 rear-panel feet (580) into position.
Connect the mains cable, turn on at the mains switch and press the ON key.
Содержание ZVAX24
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