Panasonic PT-VX400U Service Manual

Also see for PT-VX400E: Operating instructions Operating instructions

Contents

Panasonic PT-VX400U Service Manual Manual pdf 2 page image

-2-ContentsContents ........................................................................ 2Safety Instructions ......................................................... 3Safety precautions ...................................................... 4Specifications ................................................................ 5Circuit Protections ......................................................... 7Thermal fuse (SW902) ............................................... 7Lamp cover switch (SW901) ....................................... 7Fuse (F601) ................................................................ 7Warning temperature and power failure protection ..... 8Maintenance .................................................................. 9Maintenance ............................................................... 9Replacing the unit ....................................................... 9Replacing the lamp unit ............................................ 12Warning message on the non-standard lamp used .. 13Cleaning ................................................................... 14Cleaning the projection lens ..................................... 14Cleaning the projector cabinet .................................. 14Security Function Notice.............................................. 15Resetting procedure ................................................. 15Standby Mode Notice .................................................. 16Mechanical Disassembly ............................................. 17Optical Parts Disassembly........................................... 23Servicing Notice .......................................................... 28Note on main board replacement ............................. 28Adjustments ................................................................. 29Optical Adjustments..................................................... 30Contrast adjustment.................................................. 30Optical center adjustment ......................................... 31Electrical Adjustments ................................................. 34Service adjustment menu operation ......................... 34Circuit adjustments ................................................... 35Test points and locations .......................................... 39Service adjustment data .......................................... 40Chassis Block Diagrams .............................................. 57Chassis over view ..................................................... 57System control .......................................................... 58Lamp control ............................................................. 59Audio circuit .............................................................. 60Power supply & protection circuit .............................. 61Fan control circuit ..................................................... 62Troubleshooting ........................................................... 63Indicators and projector condition ............................. 63No power .................................................................. 64No picture ................................................................. 65No sound .................................................................. 66Control Port Functions ................................................. 67Scaler I/O port functions (PW190) ............................ 67IC Block Diagrams ....................................................... 68Parts Location Diagram ............................................... 74Mechanical Parts List .................................................. 81Electrical Parts List ...................................................... 82Schematic Diagrams ...................................................A1Printed Wiring Board Drawings....................................A7