Specifications

Maxiva UAX
October 17, 2013
5‐65
888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
Figure 5-48 FET Gate ID
Ame
asuredresistancebetween13and15KohmsindicatesFETisOK.Ifsignificantlylowerthan13Kohms(say10K
ohmsorless)theFEThasprobablyfailed.Inthiscaseapalletchangeisindicated.SeeSec t ion5.1
0.8onpage5‐65
fordeta
ils.
5.10.8 PAPalletReplacement
ShouldaFETorotherPAmodulecomponentonthepalletassemblyfail,thePApalletcanberemovedfromthe
moduleandreplacedonsite.
Note
The photos that follow may help identify components. Numbers on the photos refer to the replacement
steps outlined below.
STEP 1 RemovethePAmodulefromtherack.
Warning
MODULE MAY BE HOT. ALLOW THE MODULE TO COOL BEFORE ATTEMPTING TO
REPLACE THE PA PALLET.
STEP 2 UseaPhi llipsscrewdrivertoremove10flatheadPAmodulecoverscrews.If
possiblereplacethesescrewswithnewscrewsuponreassembly.Warning
labelshouldbeupandtowardthehandleforreassembly.
FET 1 Gate 2
FET 1 Gate 1
FET 2 Gate 2
FET 2 Gate 1