Specifications

Section-6 Diagnostics
October 17, 2013
6‐8
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypower priortoservicing. 888‐2693‐004
ModulatorInput
FrameTiming
Unsync
Indicatesinp
ut
circuithasnot
synchronizedinDVB
MODFPGA
SystemandMu
te
LEDsred.
DVBMODFPGA
ou
tputprocessing
resetlinelow
DVBMODFPGAou
tput
processingresetlinehigh
Setfaultand
muteRF.
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.
DVB‐T:
SFNmo
deANDhierarchy
:
Autoswit
chmode:HPor
LPbadonbothASI1and
ASI2,
Manualswit
chmode:HP
orLPbadonselected
input,
SFNmo
deANDnon‐
hierarchy:Autoswitch
mode:HPbadonboth
inputs,
Manualswit
chmode:HP
badonselectedinput
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
DVB‐T:
Mutebi
tsetinMOD
FPGA
Setfa
ultand
muteRF.
FLO(m
odulationspecific)
MUTE:PFRU
Ou
tsideSFN
Limit
ErrorofPFRU1pps
relativetoreference
istoolarge
SystemLEDre
d.
Errorof1ppsis
with
inuserlimit
(fromGUI)
Errorof1ppsisabove
userlimit(fromGUI)AND
SFNmode
Setfa
ult.
MUTE:PFRU1
PPSMissin
g
Required1pps
referenceismissing
SystemLEDre
d.
1PP
Sreferenceis
present
Selected1PPSref
erence
ismissing(externalor
fromGPS)ANDautomute
=trueANDSFNmode
Setfa
ult.
MUTE:Holdov
er
Timeout
Flywheeltimeout
exceeded
SystemLEDre
d.
Withinfly
wheel
timeout
(Flywheelti
meisabove
userlimit(fromGUI)or
neverdisciplined)
ANDau
tomute=true
ANDSFNmode
Setfa
ult.
MUTE:
Mo
dulatorFatal
Error
FPGAfat
alerror SystemLEDred.
FPGAdat
aerrorbit
notset
FPGAfat
alerrorbitset
ANDau
tomute=true
ANDSFNmode
Setfault.
MUTE:
Mo
dulatorCore
Stall
FPGAcoresta
ll SystemLEDred.
FPGAco
restallbit
notset
FPGAco
restallbitset
ANDau
tomute=true
ANDSFNmode
Setfault.
Table6‐4MODFPGAModulationSpecificFaults
FaultLog
Message
FaultDescription FrontPanelLEDs
NominalValue/
Scaling
TripLevel Action
Screen/
Tab