Rohde & Schwarz FSP3 - Power Supply Replacement

Module Replacement R&S FSP
1164.4556.82 3.28 E-1
Replacing the Power Supply A20
(See chapter 5, spare parts list, item 550, and explosion drawing 1164.4404).
The power supply is fitted at the rear of the instrument frame of the R&S FSP.
Removing the Power Supply
 Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and push the tube
(410) backwards and take off.
 Unscrew the ten screws (560) at the rear of the power supply.
 Pull out the power supply approx. 20 mm towards the rear, slightly tilt towards the bottom and then
pull out completely.
Installing the New Power Supply
 Install the New power supply in the reverse order.
Note: Make sure that the 96-contact connector to the MOTHERBOARD locks in place correctly.
 Push the tube (410) on the instrument and mount the 4 rear-panel feet (450).
 Connect the instrument to the mains and switch on.
 After starting the instrument check for system messages:
- [ SETUP : SYSTEM INFO : SYSTEM MESSAGES ]
 Start selftest and check results:
- [ SETUP : SERVICE : SELFTEST ], then [SELFTEST RESULT]
 Start a total calibration and check the result:
- [ CAL : CAL TOTAL ] , then [ CAL RESULTS ]