Philips PET724 - Page 4

Whenthepowersupplyisbeingturnedon,youmaynotremovethislasercautionslabel.Ifitremoves,radiationoflaser
maybereceived.
2.1 ESD PROTECTION
PREPARATIONOFSERVICING
PickupHeadconsistsofalaserdiodethatisverysusceptibletoexternalstaticelectrocity.
Althoughitoperatesproperlyafterreplacement,ifitwassubjecttoelectrostaticdischargeduringreplacement,
itslifemightbeshortened.Whenreplacing,useaconductivemat,solderingironwithgroundwire,etc.to
protectthelaserdiodeformdamagebystaticelectricity.
Andalso,theLSIandICaresameasabove.
Solderingiron
withgroundwire
orceramictype
Groundconductive
wriststrapforbody.
Conductivemat
Thegroundresistance
betweenthegroundline
andthegroundislessthan10
1M