Specifications

Chapter 1: 7401-2xxx/3xxx Product Overview 1-29
Operator Display
18289
N
C
R
Tilt Mount Fixed-Angle Mount

The7401‐2xxxand3xxxhaveeithera12.1‐inchTFT(activematrix)ora
15‐inchTFT.
LCD Adapter Board
ThesignalsfromtheLCDheaderontheProcessorBoardarebrought
totheLCDonaharness.Since therearemultiplepinconfigurations
andconnectortypesbeingusedontheLCD,asmalladapterboardis
usedtoreceivetheLCDharnessandmapthesignalsintothecorrect
pin
‐outfortheLCDpanel.Thisboardhasaconnectorthatplugs
directlyintotheLCDpanel.
LCD Backlight Inverter Module
AnInverterBoardsuppliespowerfortheLCDBacklight,whichisa
separatemoduleintheterminal.Theinverterhasaconnectorthat
receivespower,ground,andaBacklightdimmingsignalfromthe
ProcessorBoard.Theinvertergeneratesthehighvoltagenecessaryto
startandrundualCCFL(cold‐cathodefluorescent
lamps)Backlights.