Sharp SD-AT1000W Spécifications télécharger pdf (Page 247)

Maxiva UAX

October 17, 2013

5‐67

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

Figure 5-51 PA Module Front

STEP 6

LiftupontheoutercasetoseparateitfromthePAmoduleheatsink

assembly.Thelowerlipoftheoutercasehasspringfingermaterialinstalled.

Takecaretoremovethecasegentlysoasnottodamagethespringfingers.

Theconnectorshouldslidefreeofthecaseasth

ecaseislifted.Removalof

theoutercaseallowsaccesstothepallet.

STEP 7 RemovetwoPhil lipsscrewsfromtheinputlaunchboardonthefrontofthe

pallet(seeFigure5‐52onpage5‐67).Ta

kecarenottolosethesmallbrass

adapterplugtha

tislocatedbelowconnectorJ6.Theplugwillfalloutasthe

boardisliftedupward.Inmostmodulesthereisnoplugusedinconnector

J5.Thetwoaluminumhexstandoffsthatweresecuredwiththephillips

screwsshouldberetainedforreuse.

STEP 8 CarefullyunsolderthethreeconnectionsbetweenthePCboardandpallet

ontheinputsideofthepallet.Avoidusingexcessheatthatcoulddamage

theboard.Useasolderremovaltoolasrequired.Newjumperswillneedto

beusedaftermoduleisreplaced.

Figure 5-52 Pallet (module cover removed)

STEP 9

Desolderthetwoleadsthatat tachthecommonposttotheboard.Carefully

bendthesetwoleadsupwardawayfromtheboard.

STEP 10 Desolderthewirefromthepost.Thistakessignificantheatandtheuseofa

temperaturecontrolledsolderironissuggested.AMetcalSP200isusedin

LED’s

I Input

Launch

Board

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Sharp SD-AT1000W Spécifications Page 247