Sharp SD-AT1000W Especificações descarregar pdf (Página 218)

Section-5 Maintenance

October 17, 2013

5‐38

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

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