Specifications

Section-5 Maintenance
November 11, 2013
530
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypowerpriortoservicing. 8882628300
5.12.1 RFSystemRemoval
STEP 1 Turnoffthetransmitter.RemoveallpowerandturnoffmainbreakersAC1andAC2.
Disableremoteoperationtopreventtransmitterfrombeingreactivated.
STEP 2 Removethecabinetfanassemblies.Thefanremovalsequenceisdescri bedinsection
5.11onpage528.
STEP 3 Loosentheclampthatholdstheoutputcoaxintheflange(seeFigure520onpage5
30).
STEP 4 Lifttheoutputcoaxandinnerconductorupwardandawayfromtheflange(see
Figure520onpage530).Securethecoaxiallinesoitisoutoftheway.
STEP 5 RemovethefourPhillipsscrewsfromtheplateassemblyatthetopofthecabinet.
Figure 5-20 RF Output Plate
STEP 6 Loosentheclampontheouterconductorflangecouplingthatislocatedonthe
cabinetoutputdirectionalcoupler(seeFigure521onpage530).
Figure 5-21 RF Output Coaxial Line Connection
Coax
PlateScrews
4places
RFOutput
Clamp
Clamp