Panasonic PT-44LCX65-K Service Manual

Also see for PT-44LCX65-K: Operating instructions

Contents

9 ADJUSTMENT PROCEDURES 2INITIAL GUIDELINEThe table below shows which adjustments are necessary according to the unit parts and individual parts to be replaced. Make sureto perform these adjustments shown below as necessary.Fig. E1-1Replacement PartsGamma AdjustmentFan 2 Voltage AdjustmentNon-uniformity Color Correction(compensation by inputting data)VCOM AdjustmentFull Mirror AdjustmentPolarizer AdjustmentWhite Balance AdjustmentIC2301 onLCD Drive C.B.A.Fan 1 Voltage Adjustment IC2301 onLCD Drive C.B.A.IC2301 onLCD Drive C.B.A.IC2301 onLCD Drive C.B.A.IC2301 onLCD Drive C.B.A.IC2301 onLCD Drive C.B.A.Adjustment ItemAdjustment data is written tofollowing EEPROM ICMechanical(Projection Unit)AdjustmentSectionFan 3 Voltage Adjustment IC2301 onLCD Drive C.B.A.LCD Drive C.B.A.Optical Block Unit (LSXA0646)LCD/Prism UnitOptical Top Unit*Optical Top Unit is removed and installed*Projection Lens Unit is removed and installedFull Mirror Red/Blue/Dichroic Mirror GreenLight IN Polarizer R/G/B UnitBase Body UnitProjection UnitIC2301 (32k EEPROM)IC2903 (FAN2 Drive)IC2902 (FAN1 Drive)IC2904 (FAN3 Drive)LCD DriveC.B.A.AdjustmentSection: Adjustment ItemNote:Note:Note: Once the Optical Top Unit is removed, perform Full Mirror Adjustment and Polarizer Adjustment.Note: When replacing the Projection Unit or the Base Body Unit, any of above adjustment are not needed.:When replacing the LCD Drive C.B.A., the LCD/Prism Unit or IC2301(32k EEPROM), confirm that the color of the entire screen. If OK, Gamma Adjustment is not needed. If NG, perform Gamma Adjustment.:When replacing the LCD Drive C.B.A., Optical Block Unit, the LCD/Prism Unit or IC2301(32k EEPROM), confirm the color uniformity on the screen. If OK, Non-uniformity Color Correction is not needed. If NG,perform Non-uniformity Color Correction.:When replacing the LCD/Prism Unit, confirm the color uniformity on the screen. If OK, Full Mirror/Polarizer Adjustment are not needed. If NG, perform Full Mirror/Polarizer Adjustment.PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K78