Olympus BH-2 BHT - Setting Up for Troubleshooting the Base

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OlympusBH‐2(BHT/BHTU)Electronics   Revision2    Page7of24
stand,as showninFigure4.Holdtheelectricalbaseinplaceandsetthestandinitsnormaluprightpositiononaflat
surface,beingcarefulnottolettheelectricalbaseshiftasyoudoso.
Liftthestandfromtheelectricalbasebygraspingthearmand
liftingstraightupuntilthebottomofthestandwellclears
theelectricalbase.Iftheunitcontainsalightpresetcontrolandswitch,besuretodisengagetheprintedcircuitboard
containing the preset control and switch from the notch in the side  of the base before lifting the stand
 clear of the
electricalbase.
Thestand,withouttheelectricalbase,maynowbeplacedona cleanflatsurfaceinitsnormaluprightposition.Withthe
electricalbaseremoved,thefragileilluminationcomponentsareexposedontheopenbottomofthestandandmaybe
damagedifthestand
isnotplacedonasuitable clutter‐freesurface.Storethestandsomeplaceoutofharm’swayand
wheredustanddebriswillnotaccumulateontheexposedlightingcomponents.
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Figure4–BottomViewofBHT/BHTUElectricalBase(100/115VVersion)
SettingUpforTroubleshootingtheBase
Settheelectricalbaseonasuitableworksurface.Iftheunitincludesalightpresetcontr o l/switch,orienttheprinted
circuit board containing the control and switch such that it will not make contac t with the chassis or any other
electricallyconductiveitemsduringthetroubleshootingprocess.
Carefullyplugthelamp
houseintoJ103ontherearoftheelectricalbase,asshowninFigure5,makingsurebothcon tact
pinsofthelamphouseengagethematingreceptaclesofJ103.Thelamphou sewillbefragileandunsupportedwhen
pluggedintotheelectricalbasewithoutthestand,sincethetwo
alignment/supportpinsonthelamphousewillnotbe
engagedwiththematingholesinthestand.Onceagain,donottouchthehalogenlampwithyourfingers.