Icom_IC-F1710_IC-F1721_D_IC-F1810_IC-F1821_D_维修说明书手册_2004.pdf
SERVICE
MANUAL
VHFMOBILETRANSCEIVERS
iC-f1721/d
iC-f1710
iC-f1821/d
iC-f1810
INTRODUCTIONDANGER
ThisservicemanualdescribesthelatestserviceinformationNEVERconnectthetransceivertoanACoutletortoaDC
fortheIC-F1721/D/F1710/F1821/D/F1810VHFMOBILEpowersupplythatusesmorethan16V.Thiswillruinthe
TRANSCEIVERatthetimeofpublication.transceiver.
6versionsoftheIC-F1721havebeendesigned.Thisservice
manualcoverseachversion.DONOTexposethetransceivertorain,snoworanyliquids.
MODELVERSION10KEYTXpowerDONOTreversethepolaritiesofthepowersupplywhen
IC-F1721DUSA-02,USA-03connectingthetransceiver.
50W
IC-F1721USA-04None
DONOTapplyanRFsignalofmorethan20dBm(100mW)
IC-F1710EUR-02,GEN-0225Wtotheantennaconnector.Thiscoulddamagethetrans-
IC-F1821DUSA-02,USA-03ceiversfrontend.
50W
IC-F1821USA-04Yes
IC-F1810EUR-02,GEN-0225W
Toupgradequality,anyelectricalormechanicalpartsand
internalcircuitsaresubjecttochangewithoutnoticeor
obligation.
IC-F1700series
IC-F1800series
ORDERINGPAR