Specifications

Section-5 Maintenance
October 17, 2013
5‐38
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypower priortoservicing. 888‐2693‐004
STEP 7 RemovetheTCUtoptogaineasieraccesstotheTCUcards.
STEP 8 Removeconnectorsfromtherearofthecardthatisbeingchanged.
STEP 9 Useashort#2Phillipsscrewdrivertoremovethemountingscrewfromthe
backofeachmodule(nearthebottom).
STEP 10 Lifttheboardoutoftheslotandreplacewithnewboard.
STEP 11 ReversethestepstoreconnectandreinstalltheTCU.
STEP 12 TurntheTCUonandafterbootup,verifythatthesoftwareonthenew
boardisthesameaswasontheboardthatwasremoved.
STEP 13 Endofprocedure.
5.8.6 PCM‐2CardReplacement
IfthePCM‐2cardischangedthe,TCUmicroSDcardshouldberemovedfromtheoldboardandinstalledinthenew
board.
Caution
THE MICRO SD CARD SHOULD ONLY BE REMOVED IF THE POWER IS
REMOVED FROM THE PCM CARD OR WHILE DEPRESSING THE PCM RESET
BUTTON DURING CARD REMOVAL.
Caution
THE MICRO SD CARD IS FORMATTED TO RUN LINUX AND SHOULD NOT BE
READ OR FORMATTED UNLESS THE BACKUP OR RESTORATION
PROCEDURES BELOW ARE FOLLOWED.
Followtheprocedurein"5.8.5TCUCardReplacement"onpage5‐37toremoveandreplacethePCMcard.
5.8.6.1 MicroSDCardBackupandRestoration
OncethePCM‐2boardisreplacedandthetransmitterisfullyoperationalperfomafullbackupofthemicroSDcard.
Thebackupprocessisoutlinedin"Table3‐12TCUHome>Service>SoftwareUpdate"onpage3‐19underBackupTab.
Thebac
kupprocedurecopiestheinformationfromthemicroSDcardtothePCM‐2on‐boardcomputer.ThePCM
software(allversions)andselectedconfigurationsettingsarestoredthereasabackupincasethemicroSDcard
fails.
Performth
ebackupstepsintheorderlistedinthepulldownmenu.Thetimeforeachbackupstepvariesandatime
estimateisgiveneachtimeRunispressed.AfterpressingRunwaitforverificationthatthestepiscompletebefore
proceedingwiththenextstep.

Figure 5-22 Micro SD Card Backup