Contents CMU
1100.4903.82 8 E-5
Replacing the MODULES: 1xEV-DO MODULE CMU-B89, SPEECH CODEC MODULE
CMU-B85 VAR22, POWER QUICC3 MODULE in the CDMA2000 Signaling Unit
C
MU-B83 Var22 .....................................................................................................................3.62
Opening the instrument and removing the modules .......................................3.62
Installing the new sandwich module and completing the instrument ..............3.63
Automatic module data adjustment.................................................................3.63
Replacing the Option AUDIO-GEN. + ANA. CMU-B41 ..........................................................3.64
Opening the instrument and removing the Option AUDIO-GEN. + ANA. .......3.64
Installing the new Option AUDIO-GEN. + ANA. and compl. the instrument ...3.64
Automatic module data adjustment.................................................................3.64
Replacing the POWER SUPPLY ...........................................................................................3.65
Removing the POWER SUPPLY ....................................................................3.65
Installing the new POWER SUPPLY...............................................................3.65
Replacing the Instrument Fan ................................................................................................3.66
Opening the instrument and removing the fan ................................................3.66
Installing the new fan and completing the instrument .....................................3.66
Replacing the MOTHERBOARD (1100.0908.02) ..................................................................3.67
MOTHERBOARD1 (big MOTHERBOARD) .................................................................3.67
Opening the instrument and removing MOTHERBOARD1 ............................3.67
Installing the new MOTHERBOARD1 and completing the instrument............3.67
MOTHERBOARD2 (small MOTHERBOARD) .............................................................3.68
Opening the instrument and removing MOTHERBOARD2 ............................3.68
Installing the new MOTHERBOARD2 and completing the instrument............3.68
FRONTPANEL BOARD (at the front of the instrument frame) ....................................3.68
Opening the instrument and removing the FRONTPANEL BOARD...............3.68
Installing the new FRONTPANEL BOARD and completing the instrument ....3.68
REARPANEL BOARD1 (Interface board for Standard Connectors at the Rear
of the Instrument Frame) .............................................................................................3.69
Opening the instrument and removing the REARPANEL BOARD1 ...............3.69
Installing the new REARPANEL BOARD1 and completing the instrument.....3.69
REARPANEL BOARD2 (Interface Board for Further Connectors at the Rear of the
Instrument Frame) .......................................................................................................3.69
Opening the Instrument and removing the REARPANEL BOARD2 ...............3.69
Installing the new REARPANEL BOARD2 and completing the instrument.....3.69
Replacing the MOTHERBOARD (1100.2352.02)...........................................................................3.70
MOTHERBOARD1 (big MOTHERBOARD) .................................................................3.70
Opening the instrument and removing MOTHERBOARD1 ............................3.70
Installing the new MOTHERBOARD1 and completing the instrument............3.70
MOTHERBOARD2 (small MOTHERBOARD) .............................................................3.71
Opening the instrument and removing MOTHERBOARD2 ............................3.71
Installing the new MOTHERBOARD2 and completing the instrument............3.71
FRONTPANEL BOARD (at the front of the instrument frame) ....................................3.71
Opening the instrument and removing the FRONTPANEL BOARD...............3.71
Installing the new FRONTPANEL BOARD and completing the instrument ....3.71
REARPANEL BOARD2 (Interface Board for Further Connectors at the Rear
of the Instrument Frame) Opening the Instrument and removing
the REARPANEL BOARD2..........................................................................................3.72
Installing the new REARPANEL BOARD2 and completing the instrument.....3.72