Sharp GF-777 Instrucciones de instalación

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GENERALDISASSEMBLYINSTRUCTIONS

FOR

RE-BELTING&REPAIR

OF

NON-FUNCTIONALFF &REW

INSTRUCTIONS&PHOTOS

BY

BOBBYJENKINS*

AKA FATDOG

www.stereo2go.com

*-Exceptwherenoted

Note:Someofthepicturesdidn'tturnoutgreat, butthey shouldbegood enough togetyou through

theprocess.

UNPLUG THE BOOMBOX AND REMOVE ANYBATTERIES!!

Removeall oftheknobsandswitchcoversonthefrontsideoftheboombox. Iliketolinethemup in

theorderItookthemoff oftheboombox.

Turntheboomboxaroundandremovethescrewsholdingtheboomboxtogether. Ifyoudothispart

right, all ofthescrewswill stayintheirrespectiveholes. Justincasethethreadsareslightlydifferent

foreachscrew, youlessenthepossibilityofwearingoutthethreadedposts.

Don'tyankorpull thebackoff withforce. Therearesomeplugsthatneedtobedisconnectedfirst.

First, therearetwowiresfortheantennasthatneedtobedisconnected. Takenoteofthecolorsofthe

wiresandwhichpostthewireswentto.

Atthebottomofthecase, thereisaplug forthepowerlead. Disconnectthisplug. Youcannow

CAREFULLYremovethebackoftheboomboxcompletelyandsetaside.

LookingattheinternalsoftheGF-777, therearefourmainareasthatkeeptheprimaryelectronicsin

place, asmarkedbythearrows.

Removethefar-rightscrew. Itwill bealongscrewwithawasher. Removethescrewlocatedatthe

topoftheboomboxwherethearrowispointing. Finally, removethescrewatthebottomofthe

vertical, blackspeakerconnectorblock. Also, removethemetalbarthatholdstheheadphoneand

micboardsinplace.

Thefourth, andfinalarea youneedtolookatisatthefarleftoftheboombox(lookingfromthe

back). Removethescrewsforthemetalplateandthepowerswitch.

Backonthevertical, blackspeakerconnectorblock, therearesomeplugsontheleftunderside.

Disconnecttheplugsasindicatedbythearrows. Oneshouldhaveblueandpurplewires. Theother

shouldhaveyellowandblackwires.

Almostthere. Tothefarrightoftheboombox, thereisanotherconnectorbyoneofthewoofers.

Disconnectthisplug.

Now, Icannotstress thisenough-VERYCAREFULLY!!! -liftandremovethecompletebracket

housingfromtheinsideoftheboombox. Donotforce anythingatthispoint. Ifsomethingiscaught,

findoutwhatitisbeforecontinuing.

Thiswouldbeanexcellenttimetocleanoutsomedustbunniesandgeneralnastiness fromthefront

cover.

Therearefivescrewsholdingthetapedeckmechanismtotheplastichousing. Fourofthescrewsare

ratherobvious.

Thelastoneissomewhathidden. It'sontheotherside, partiallyobscuredbytheblack, input

connectorblock. Removethescrewsholdingtheinputconnectorblocktothehousingandthen

removethelastscrewholdingthetapedeckmechanism.

Thereisalsoaplug (notpictured)directlyunderneaththeinputconnectorblock. Disconnecttheplug

afterremovingthescrewsfortheblock. Next, disconnecttheplugsasindicatedbythebluearrows

inthepicturebelow. Also, itmighthelptoloosenthesquarePCboardabovetheplugsbyGENTLY

pryingbackthecatchingpostsasindicatedbythepurplearrows.

Ifyouneedtoreplace thebeltthatoperatesthetapecounter, payspecialattentiontoitslocation. One

oftheposts/spindlesisunderneaththedialfaceplateanditissomewhatawkwardtogetthebelt

aroundthepostbeforeconnectingthetapedeckspindle. Inthisexample, I'vealreadyreplacedthat

belt. So, inordertokeeptensiononthebelt, Idecidedtoloopitontooneofthefrontswitches.

Believeme, thiswill definitelyhelp.

Nowthatthetapecounterbeltisdisconnected, youcanliftouttheactualtapedeckmechanism. BE

VERYCAREFUL!! Thereisanextensionthatishookedontoablack, plasticarmunderneaththe

dialfaceplate. Youwill havetoworktheextensionoff thearmbeforecompletelyremovingthetape

decks.

Once thetapedecksareout, flipthemoverandremovethescrewsasindicatedinthepicturebelow.

Thethree screwsontherightsideofthepicturemightnothavetoberemoved, butitmadethings

easierforme.