Sanyo PLC-WM4500L Service Manual

Also see for PLC-WM4500: Owner's manual User manual Owner's manual Owner's manual Manual

Contents

-2-ContentsSERVICE MANUAL ....................................................... 1Contents ........................................................................ 2Safety Instructions ......................................................... 3Safety Precautions ..................................................... 3Product Safety Notice ................................................. 3Service Personnel Warning ........................................ 3Specifications ................................................................ 4Circuit Protections ......................................................... 5Fuse ............................................................................ 5Thermal protectors (SW902) ...................................... 5Mechanical sensor switches (SW901, SW1891) ......... 6Temperature sensors .................................................. 7Power failure and fan lock detection........................... 8Maintenance .................................................................. 9Replacing the Filter Cartridge..................................... 9Lamp Replacement ...................................................11How to check Lamp Used Time ............................... 12Quick maintenance ................................................... 13Lens Installation........................................................ 14Using the Lens Antitheft screw ................................. 15Cleaning ................................................................... 16Cleaning the Projection Lens ................................... 16Cleaning the Projector Cabinet................................. 16Security Function Notice ............................................. 17Mechanical Disassembly............................................. 18Optical Parts Disassembly .......................................... 27Adjustments ................................................................. 34Adjustments after Parts Replacement ...................... 34Note on Main Board Replacement ........................... 34Service Adjustment Menu Operation ....................... 35Optical Adjustment ...................................................... 361. Optical axis adjustment ........................................ 372. Contrast adjustment ............................................. 41Electrical Adjustments ................................................. 42Circuit Adjustments................................................... 42Test Points and Locations ........................................ 46Service Adjustment Data Table ................................ 47Troubleshooting ........................................................... 64Chassis over view ..................................................... 64No Power .................................................................. 65No Power (Power supply) ......................................... 66No Power (Power supply) ......................................... 67No Power (Fan control)............................................. 68No Power (Lamp control) .......................................... 69Temperature Abnormality ......................................... 70No Picture ................................................................. 71No Sound.................................................................. 72Motor control problems ............................................. 73Bus control................................................................ 74LED drive & RC control ........................................... 75Indicators and Projector Condition ........................... 76Power failure detection system ................................ 79Diagnosis of Power Failure with RS-232C port ........ 83Serial Control Interface ............................................. 84Control Port Functions................................................. 86IC Block Diagrams....................................................... 88Parts Location Diagrams ............................................. 97Mechanical Parts List ................................................ 106Electrical Parts List .................................................... 108Diagrams & Drawings .................................................. A1Parts description and reading in schematic diagram ..A2Schematic Diagrams ...................................................A3Printed Wiring Board Diagrams ................................. A11Pin description of diode, transistor and IC................. A15Note on Soldering...................................................... A16