Sanyo PLC-SU70 Service Manual

Also see for PLC-SU70: Owner's manual

Sanyo PLC-SU70 Service Manual Manual pdf 21 page image

-21-To enter the service modeTo enter the “Service Mode”, press and hold the MENU and INPUT buttons 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 group no. by pressing the MENU (+) or KEYSTONE (-) button, and select the adjustmentitem no. by pressing the pointer e or d button, and change the data value by pressing the 7 or 8 button. Referto the “Service Adjustment Data Table” for further description of adjustment group no., item no. and data value.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 OperationMemory IC on the main board stores the data forthe service adjustments, and should not be replacedexcept for the case of defective device.If replaced, the re-adjustments are required followingto the “Electrical Adjustments”.The data of lamp replacement counter is stored in theMemory IC.Please note that the lamp replace counter will bereset when the memory IC is replaced.(Lamp replace counter cannot be set to the previousvalue.)● Caution to memory IC replacementWhen memory IC is replaced with new one, the CPUwrites down the default data of the service adjust-ments to the replaced IC as the mentioned on the ser-vice adjustment table. As these data are not the samedata as factory shipped data, it should be required toperform the re-adjustments following to the “ElectricalAdjustments”.Please note that in this case the lamp replace counterwill be reset.● Caution of Main Board replacement (in the casememory IC is not defective)When the main board is replaced, memory IC shouldbe replaced with the one on previous main board.After replacement, it should be required to per-form the re-adjustments following to the “ElectricalAdjustments”.In this case, the lamp replace counter can be kept thevalue as before.Memory IC (IC1371) ReplacementON - OFFPOWERKEYSTONEINPUTWARNING LAMP REPLACEMENU- VOLUME+ VOLUMESELECTService ModeInput VideoGroup No. Data0 0 32Ver. 1 .00Data valueItem No.Electrical AdjustmentsGroup No.