Sharp XR-11XC - Page 29

29
XG-MB50X
XR-11XC
XR-10X/S
XR-20X/S
RefNo.
1
R905
2 --
3 IC7707
4 IC7704
5 IC7701
1
2

Adjustmentjig(resistanceload25Ω)
Connectingcord(conversioncable)
Partname
Partname
Partcode
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)
