Sharp SD-AT1000W Especificaciones Pagina 216

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Section-5 Maintenance
October 17, 2013
536
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypower priortoservicing. 8882693004
5.8.3 DateandTimeSettings
TheTCUdateandtimesettingscanbeadjustedusingthelocalGUIscreen.SeeFigure312onpage312which
showsthelocalGUIservicescreenandTable36onpage313,whichexplainsthedateandtimesetting.
5.8.4 Installing/ChangingtheTCUPCMBattery
Transmittercontrolunits(TCUs)areshippedascomponentsinseveraldifferentHarristransmittermodels.TheTCU
containsdifferentprintedcircuitcardsdependingonthetransmitterapplication.TCUsthathaveGUI(GraphicalUser
Interfacetouchscreen)displaycontainaPCMcard.ThePCMcardisthesecondcardfromtherightwhenlooki
ngat
thefrontoftheTCU.
Figure 5-20 UAX TCU with front panel lowered
ThePCMca
rdcontainsabatterythatisusedbytherealtimeclocktomaintainthecorrecttime/datewhentheunit
doesnothaveACmainspowerapplied.TheunitistypicallyshippedwiththebatteryremovedfromthePCMcard.
Thebatteryshouldbeinstalledbefor ethetransmitterisplac
edintooperation.
Thecl
ockbattery(partnumber6600093000forolderPCMcardsand6600054000formorerecentmodels)is
packedinsideaplasticbagalongwithbatteryreplacementinstructions.OncethetransmitterisinstalledandAC
mainspowerhasbeenconnected,theclockbatteryshouldbeinstalledinthePCMca
rd.
5.8.4.1 PCM2BatteryInstallationInstructions
STEP 1 Turnoffthetransmitterandremovepowerfromthetransmittercabinetor
disconnecttheACplug(s)fromtherearoftheTCU.
Caution
TCU CARDS ARE NOT HOT SWAPPABLE. THE TRANSMITTER SHOULD BE
OFF AND THE POWER DISCONNECTED FROM THE TCU BEFORE REMOVAL
OF CARDS.
STEP 2 UsethefingerholecutoutsbuiltintothesidesoftheTCUfrontpanelas
handles,pulloutwardanddownonthefrontpanel.
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