Sanyo PLC-SW30 Service Manual

Also see for plc sw30 - SVGA LCD Projector: Owner's manual Specifications Service manual Service manual Owner's manual

-22-■ Electrical AdjustmentsTo enter the service modeTo enter the “Service Mode”, press and hold the MENU and INPUT button on the projector at the same time formore than 3 seconds, or press and hold the MENU button on the remote control unit for more than 20 seconds.The service menu appears on the screen as follows.To adjust service dataSelect the adjustment item no. by pressing the pointer UP or DOWN button, and change the data value by press-ing the VOLUME – or VOLUME + button. Refer to the “Service Adjustment Data Table” for further description ofadjustment item no. and data value.To exit the service modeTo exit the service mode, press the POWER ON-OFF button on the projector or the remote control unit.● Service Adjustment Menu OperationComputer7010035Service ModeTempA TempB TempCFan1Speed Fan2Speed Fan3Speed32.10 43.21 45.6797 105 79IC1841 on the main board stores the data for the serv-ice adjustments, and should not be replaced except forthe case of defective device.If replaced, it should be performed the re-adjustmentsfollowing to the “Electrical Adjustments”.The data of lamp replacement monitor timer is storedin the IC1841.Please note that the lamp replace counter is resetwhen the memory IC (IC1841) is replaced.(Lamp replace counter can not be set to the previousvalue.)● Caution to memory IC replacementWhen IC1841 is replaced with new one, the CPUwrites down the default data of the service adjustmentsto the replaced IC, refer to the service adjustmenttable. As these data are not the same data as factoryshipped data, it should be required to perform the re-adjustments following to the “Electrical Adjustments”.Please note that in this case the lamp replace counterwill be reset.● Caution of Main Board replacement (in the caseIC1841 is not defective)When the main board is replaced, IC1841 should bereplaced with the one on previous main board. Afterreplacement, it should be required to perform the re-adjustments following to the “Electrical Adjustments”.In this case, the lamp replace counter can be kept thevalue as before.● Memory IC ReplacementPOWER LAMPREPLACEWARNINGINPUTMENUON-OFFSELECTVOLUME–VOLUME+Data valueItem No.Input ModeVersion No.Note :This part of dis-play is availableat the servicemode No.60 - 83.