Sharp SD-AT1000W Dokumentacja Pobierz pdf (Strona 257)

6‐1

888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.

Maxiva UAX

October 17, 2013

Section-6 Diagnostics

6.1 Introduction

ThissectioncontainsdiagnosticandtroubleshootinginformationfortheUAXseriesUHFtransmitter.Includedisa

descriptionoffaultswhichcanbedisplayedviathetransmitterfrontpanelLCD,webinterface,orTCU(transmitter

controlunit)GUI(graphicaluserinterface).Duetothecomplexityofthetransmittercontrolsystemandthe

tensiveuseofsurfacemountcomponents,thescopeofthisdiagnosticssectionistoisolatetheproblemtoaPC

boardormodule,whichcanthenbeeasilyexchanged.

Theb

uttonsandiconsusedinthewebbrowserandTCUinterfaceuseacolorcodesystem.Someexamplesaregiven

below.

a. Greenwitha1‐ ‐ONandoperatingnormally.

b. Greensymbol‐ ‐ONandoperatingnormally.

c. LightGray‐ ‐"GrayedOut"‐Not communicatingornot available.

d. Yellow‐ Warning‐Anon‐criticalsub‐systemorparameterisout

ofto

leranceandshouldbeaddressedbyengineeringpersonnel.

e. Red‐ ‐CriticalFault‐Thiscouldbeasub‐systemfaultinwhichthesub‐systemismutedorshutoff

(suchasaPAmodule)orco

uldbeasystemlevelfaultwhichcouldmuteorshutthetransmitteroff.

Whenafa

ultoccurs,oneormoreoftheLEDsontheTCUorLPUcontrolpanelwillilluminatered.Totrackdownthe

causeofafault,opentheLPUfaultlog(ortheeventlogontheTCU)viaawebbrowserandexaminethelistoffaults

thatha

veoccurredandtheirorder.Ifyouarenotfamiliarwithwebbrowsernavigation,referto"3.4GUIInterface"

onpage3‐9.Also,inSection3,referto"3.3.2TCU‐InitialLogin&Passwords"onpage3‐6.Seealsothefollowing

Section:"6.3We

bBrowserFaultLog"onpage6‐3ofthisdocument.

Thefa

ultlogontheLPULCD(inStatusmenu)wi llalsogivedetailedfaultinformationbutissmallerandwilltake

longertoread,asitonlyshowsfourfaultsperpage.Ifthefaultinformationismorethanelevencharacters,the

descriptionwillbetruncated.Ifthisoccurs,refertoth

ewebbrowserforacompletefaultdescription.Faultlog 

informationisstoredonanEEPROM,andwillberetainedifACmainspoweriscycled.

6.2 PSandPALEDs

LPUsandPABsareequippedwithLEDsthatcanaidintroubleshooting.InformationaboutLEDlocationand

performanceisprovidedinthefollowingtableandfigures.

Thetw

oPAmodulePABhasthesameLEDconfigurationasthefourPAmodulePABbuttheuppertwoPSandPA

modulesarenotpresent.

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