Sanyo PLC-SU70 Service Manual

Also see for PLC-SU70: Owner's manual

Sanyo PLC-SU70 Service Manual Manual pdf 2 page image

-2-ContentsSafety Instructions ......................................................... 3SAFETY PRECAUTIONS ........................................... 3PRODUCT SAFETY NOTICE .................................... 3SERVICE PERSONNEL WARNING ........................... 3Specifications ................................................................ 4Circuit Protections ......................................................... 5Thermal switch ........................................................... 5Lamp cover switch ...................................................... 5Fuse ............................................................................ 5Warning temperature and power failure protection ..... 6Air filter care and cleaning .......................................... 6Lamp Replacement ....................................................... 7Lamp replacement ...................................................... 7How to reset Lamp Replace Counter ......................... 7How to check Lamp used time.................................... 7Mechanical Disassembly ............................................... 8Optical Parts Disassembly........................................... 12Adjustments ................................................................. 17Turning On the Projector........................................... 17Adjustments after Parts Replacement ...................... 17Electrical Adjustments ................................................. 21Service Adjustment Menu Operation ........................ 21Memory IC (IC1371) Replacement ........................... 21Circuit Adjustments ................................................... 22Test Points and Locations ......................................... 26Service Adjustment Data Table ................................. 27Chassis Block Diagrams .............................................. 38Chassis over view ..................................................... 38System control .......................................................... 39Power supply & protection circuit .............................. 40Fan control circuit ..................................................... 41Troubleshooting ........................................................... 42Indicators and Projector Condition ........................... 42No Power .................................................................. 43No Picture ................................................................. 44No Sound .................................................................. 45Control Port Functions ................................................. 46System Control I/O Port Functions (IC301) .............. 46I/O Expander Port Functions (IC1801) .................... 47IIC Bus DA Converter Port Functions (IC3531) ....... 47Waveform .................................................................... 48Cleaning ...................................................................... 49IC Block Diagrams ....................................................... 50Electrical Parts List ...................................................... 56Electrical Parts Location ........................................... 57Electrical Parts List ................................................... 58Mechanical Parts List .................................................. 76Cabinet Parts Location ............................................. 76Optical Parts Location .............................................. 77Mechanical Parts List ............................................... 81Diagrams & Drawings ..................................................A1Parts description and reading in schematic diagram ...A2Schematic Diagrams ...................................................A3Printed Wiring Board Diagrams ...................................A9Pin description of diode, transistor and IC .................A13