Sanyo PLC-SU40 Service Manual

Also see for PLC-SU25: Owner's manual Specifications

-25-■ Electrical AdjustmentsTo enter the service modeTo enter the “Service Mode”, press and hold the MENU and IMAGE button on the projector at the same time formore than 3 seconds. The service menu appears on the screen as follows.To adjust service dataSelect the adjustment item no. by pressing the e or d button, and change the data value by pressing the 7 or8 button. Refer to the “Service Adjustment Data Table” for further description of adjustment item no. and datavalue.To exit the service modeTo exit the service mode, press the POWER ON-OFF button on the projector or remote control unit.● Service Adjustment Menu OperationIC351 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, the re-adjustments are required following tothe “Electrical Adjustments”.The data of lamp replacement counter is stored in theIC351.Please note that the lamp replace counter will be resetwhen the memory IC (IC351) is replaced.(Lamp replace counter can not be set to the previousvalue.)● Caution to memory IC replacementWhen IC351 is replaced with new one, the CPU writesdown the default data of the service adjustments to thereplaced IC as the mentioned on the service adjust-ment table. As these data are not the same data as fac-tory shipped data, it should be required to perform there-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 caseIC351 is not defective)When the main board is replaced, IC351 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 ReplacementService ModeComputer1 1581.00Data valueItem No.