Specifications

Section-6 Diagnostics
October 17, 2013
6‐10
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypower priortoservicing. 888‐2693‐004
ModulatorNo
Timestamp(FF
FFFF)
Indicatestimestamp
ismissingonvalid
input2
SystemLEDre
d.
Timestampis
pr
esent
Inputispr
esent,but
timestampismissingon
input2
Setfa
ult.
ModulatorPF
RU
Undisciplined
IndicatesPFRUPLLis
no
tdisciplinedfor
DAB
SystemLEDre
d.
PFRUPLLis
di
sciplined
PLLisu
ndisciplinedAND
dynamicdelayonAND
PLLbypassoff
Setfa
ult.
Modulator
UnresolvedETI
Timing
IndicatesETIti
ming
unresolved
SystemLEDred
.
Currentin
put=correct
input
Currentinp
ut=wronginput Setfault.
DAB:ETIMissing
DABETIin
put
missing
SystemLEDor
ange.
ETIi
nput1and2
present
ETIinput1ORETIinput2
missing
Setwa
rning.
DAB:Se
amless
NotPossible
DABSe
amless
switchingnot
possible
SystemLEDor
ange.
Totaldel
ayofinput
1and2areequal,
Statusofin
put1
and2areequal
(totaldela
yofinput1and
2arenotequal)OR
dynamicdel
aymodeon
AND(inputstatus1and2
arenotequal)
Setwarning.
ModulatorIn
put
SignalLoss
Indicatesre
quired
inputsarenot
presentinMOD
FPGA.
SystemandMu
te
LEDsred.
Dependson
mo
dulation
standard.Relevant
inputspresent.
DAB:
Setfa
ultand
muteRF.
Modulation
Mu
te
Indicatesmodulator
FPGAhasmuted
SystemandMute
LEDsred.
Dependson
mo
dulation
standard.
Modulatornot
muted,other
conditionsok
DAB:
Softwarein
itiatedon
reset,
Mutebi
tsetinMOD
FPGA
Setfa
ultand
muteRF.
CTTB(m
odulationspecific)
ModulatorIn
put
A
Indicatesinp
utAis
presentinMOD
FPGA.ATSCASIHPA
SystemLEDred.TS
InputLEDyellowor
red.
MPEGsy
ncindicator
=1
MPEGsy
ncindicator=0
AND
inputAselect
edfor
primaryorauxiliaryinput
Setfa
ult.
ModulatorIn
put
C
Indicatesinp
utCis
presentinMOD
FPGA.ATSCASILPB
SystemLEDred.TS
InputLEDyellowor
red.
MPEGsy
ncindicator
=1
MPEGsy
ncindicator=0
AND
inputCse
lectedfor
primaryorauxiliaryinput
Setfa
ult.
ModulatorIn
put
B
Indicatesinp
utBis
presentinMOD
FPGA.ATSCSMPTEA
SystemLEDred.TS
InputLEDyellowor
red.
MPEGsy
ncindicator
=1
MPEGsy
ncindicator=0
AND
inputBselect
edfor
primaryorauxiliaryinput
Setfa
ult.
ModulatorIn
put
D
Indicatesinp
utDis
presentinMOD
FPGA.ATSCSMPTEB
SystemLEDred.TS
InputLEDyellowor
red.
MPEGsy
ncindicator
=1
MPEGsy
ncindicator=0
AND
inputDselect
edfor
primaryorauxiliaryinput
Setfa
ult.
ModulatorIn
put
SignalLoss
Indicatesre
quired
inputsarenot
presentinMOD
FPGA.
SystemandMu
te
LEDsred.
Dependson
mo
dulation
standard.Relevant
inputspresent.
CTTB:
SFNmo
deAND
unmute_nosig=false
ANDselectedinputnot
present
Setfa
ultand
muteRF.
Modulation
Mu
te
Indicatesmodulator
FPGAhasmuted
SystemandMute
LEDsred.
Dependson
mo
dulation
standard.
Modulatornot
muted,other
conditionsok
CTTB:
Setfa
ultand
muteRF.
ATSC(m
odulationspecific)
Table6‐4MODFPGAModulationSpecificFaults
FaultLog
Message
FaultDescription FrontPanelLEDs
NominalValue/
Scaling
TripLevel Action
Screen/
Tab