Sharp XG-MB50X

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XG-MB50X

XR-11XC

XR-10X/S

XR-20X/S

RefNo.

R905

2 --

3 IC7707

4 IC7704

5 IC7701



Adjustmentjig(resistanceload25Ω)

Connectingcord(conversioncable)

Partname

Partcode

PWMcontroller



RR-FZA002WJZZ

DUNTKD148WEF0

RH-iXB458WJZZ

Manufacturer



RUNTZA018WJZZ

AsahiCommunication



QCNW-E007WJZZ

SMK

VHITA78L05F-1Y

VHIM51995AF-1Y

Cementresistor

ControlPWB

Ballastmicroprocessor

5Vregulator



BallastUnit

LampCable

(QCNW-D573WJQZ)

AdjustmentJig

(RU N TZA 018WJZZ)

C onnectingC ord

（Q C N W -E007WJZZ)

XG-MB50X

XR-11XC

XR-10S/X

XR-20S/X



Projector

TP1

TP2

−

＋

[Adjustmentofballastunitoutputpower(lamppower)]



1.Listofpartsrequiringadjustment

Whenreplacingthefollowingparts,adjusttheballastunitoutputpower(lamppower).



2.Adjustmentjigs

 Thefollowingjigsarerequiredforadjustingtheballastunitoutputpower(lamppower).



3.Ballastunitoutputpower(lamppower)adjustmentmethod

 Adjusttheballastunitoutputpower(lamppower)inthefollowingmethod.



[Adjustmentmethod]

（1）Unplugtheballastunitlampcable(QCNW-D573WJQZ)oftheXR10/20projectorfrom

 thelampandconnectthecabletotheconnectingcord(QCNW-E007WJZZ).

（2）Connecttheconnectingcord(QCNW-E007WJZZ)totheadjustmentjig

 (RUNTZA018WJZZ).

（3）ConnectTP1oftheadjustmentjig(RUNTZA018WJZZ)tothenegativeterminalofthe

 testerandTP2tothepositiveterminal.

（4）TurnontheXR10/20projector.

（5）Agetheprojectorfor60secondsormore.

（6）Adjustthevolumeresistor(R7728)oftheballastcontrolPWB(DUNTKD148WEF0)so

 thatthevoltageofthetesterreaches83±0.5V.



Adjustmentvalue:83±0.5V



[Cautions]

（1）Cautionforelectricshock:DonottouchthetestpointsTP1andTP2oftheadjustment

 jigwhensupplyingpowersinceahighvoltageandlargecurrentisappliedtothem.

（2）Cautionforheat:Becarefulthattheresistanceloadoftheadjustmentjigproducesahigh

 temperaturewhensupplyingpower.

（3）Connectionofthelampcable:Checkthatthelampcableandconnectingcord(QCNW-E

 007WJZZ)areconnectedsecurely.

 Poorconnectionmaycausesmokingorignitionduetoarcdischarge.



[Settingmethod]



Tester

(Voltage)



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