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SECTIONG
ELECTRICS:REMOVAL/REFITTINGPCB’s
ITXBOARDREPLACEMENT.
ITXPOWERSUPPLY.
TheITXmotherboardsuppliesthegraphicstothetouchscreendisplay,toremove.-
1.Switchthemainspoweroff.
2.Cutcabletiesandunplugtheallplugs.
3.Unscrewthefourfixingscrewsattachingtheboardtotheplateandremovefromthe
machine.
Note.theRAMshouldstaywiththeboard.
Refittingisareverseproceduretotheabove.
IfusingtheexistingUSBstickthemachinecalibrationwillbeasbeforebutusinganew
stickwilllosethesettingsandwillmeanrecalibratingthemachine.
ThissuppliespowertothemaincontrolPCBandthegraphicinterfaceITXcontrolboardandis
locatedasabove.
5voltsDCisusedasthecontrolcircuitand12voltsDCisutilisedfortheSafetycircuit.
Switchthemainspoweroff.
Removethefourposipanheadscrewssecuringtheflangesandwithdrawslowly.
UnplugallplugsfromthePSUflyingleadsandremovetheMiansconnector.
Replacementisthereverseprocedure.
CREASING/FOLDING