Panasonic PT-VX505NU Service Manual

Also see for PT-VW435NE: Operating instructions

Contents

Panasonic PT-VX505NU 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 ............................................ 12How to check lamp runtime ...................................... 13Warning 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 .......................................... 17Mechanical disassembling flow chart ....................... 17Optical Parts Disassembly ....................................... 30LCD panel type check .............................................. 30Servicing Notice ........................................................ 35Note on the MAIN board replacement ...................... 351.EEPROM data transfer .......................................... 352. Adjustment data setting ........................................ 363. EDID IC replacement ............................................ 36Adjustments ............................................................... 37Optical Adjustments .................................................. 38Contrast adjustment ................................................. 38Optical center adjustment ......................................... 39Electrical Adjustments .............................................. 40Service adjustment menu operation ......................... 40Circuit adjustments ................................................... 41Test points and locations .......................................... 44Service adjustment data .......................................... 45Chassis Block Diagrams........................................... 66Chassis over view ..................................................... 66System control .......................................................... 67Lamp control ............................................................. 68Audio circuit .............................................................. 69Power supply & protection circuit ............................. 70Fan control circuit ..................................................... 71Troubleshooting ........................................................ 72Indicators and projector condition............................. 72No power .................................................................. 73No picture ................................................................. 74No sound .................................................................. 75Serial Control ............................................................. 76Serial terminal ........................................................... 76Control Port Functions ............................................. 79Scaler I/O port functions (PW190) ............................ 79IC Block Diagrams ..................................................... 81Exploded Views & Parts List .............................. SPL-1Exploded Views ................................................... SPL-2Mechanical Parts List ........................................ SPL-10Electrical Parts List ........................................... SPL-12Schematic Diagram & Circuit Boards Diagram .DIA-1Pin description of diode, transistor and IC ........... DIA-2Schematic Diagrams ............................................DIA-3Printed Wiring Board Diagrams ........................DIA-12