R&S CMU MODULE Replacement
1100.4903.82 3.57 E-5
Automatic module data adjustment
During startup observe the display.
When three BEEPs can be heard, press the MENU SELECT key.
The version manager is started (see also chapter 4, Firmware update). The display includes the
menu item FIRMWARE UPDATE AFTER BOARD CHANGE.
Press the softkey to the left of the above mentioned menu item.
The automatic module data adjustment is performed under software control, firmware updates for
microprocessors and programmable devices being performed as well. This may take a few minutes.
After the adjustment has been terminated, the operating software starts automatically and the R&S CMU
is ready for use and complies with the specifications.
Replacing the Option WCDMA L1COPRO CMU-B66/68/76/78
(see chapter 5, spare part list, Current No. 280X and explosion drawing 1100.0008.01 D sheet 2)
The WCDMA L1COPRO is installed in the module support as plug-in module. For replacement proceed
as follows:
Opening the instrument and removing the OPTION WCDMA L1COPRO
Switch off the instrument, pull the mains plug and unscrew the rear-panel feet.
Place the instrument onto the front carrying handles, push the tube upwards and take off.
After unscrewing the two countersunk screws at the top left instrument frame slightly lift the cover at
the top of the instrument, slightly shift towards the right and lift off.
Pull off the powersupply cable from the downside of the WCDMA L1COPRO
Pull off all the MMCX plug-in cables (using a pull-out tool) from the top of the WCDMA L1COPRO
and pull off the module towards the top using the two levers on the right and left.
Caution: module could be fitted together with the next module and have to take out together with this (if
available: UNIV.SIGN.UNIT).
Installing the new OPTION UNIV. SIGN. UNIT and completing the instrument
Insert the new option WCDMA L1COPRO into the instrument in the reverse order and connect all the
MMCX plug-in cables and the powersupply cable.
Complete the instrument without causing damage to the cables.
Connect the instrument to the mains and switch on.
Automatic module data adjustment
During startup observe the display.
When three BEEPs can be heard, press the MENU SELECT key.
The version manager is started (see also chapter 4, Firmware update). The display includes the
menu item FIRMWARE UPDATE AFTER BOARD CHANGE.
available in CMU-Service Kit CMU-Z3 (1100.7690.02)
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