Table Of Contents; Contents - Sanyo PLV-75 Service Manual

Contents

SERVICE MANUAL ................................................... 1
Contents ........................................................................ 2
Safety Instructions ......................................................... 3
SAFETY PRECAUTIONS........................................... 3
PRODUCT SAFETY NOTICE .................................... 3
SERVICE PERSONNEL WARNING........................... 3
Specifications ................................................................ 4
Circuit Protections ......................................................... 5
Fuse............................................................................ 5
Thermal switch ........................................................... 5
Interlock switch ........................................................... 5
Warning temperature and power failure protection..... 6
Air filter care and cleaning .......................................... 6
Lamp Replacement ....................................................... 7
How to reset Lamp Replace Counter ......................... 7
How to check Lamp use time...................................... 7
Mechanical Disassemblies ............................................ 8
Optical Parts Disassemblies........................................ 13
LCD Panel/Prism Ass'y Replacement ......................... 18
Adjustments................................................................. 19
Turning On the Projector........................................... 19
Adjustments after Parts Replacement ...................... 19
Optical Adjustments..................................................... 20
Electrical Adjustments ................................................. 23
Service Adjustment Menu Operation........................ 23
Memory IC Replacement (IC802)............................. 23
Circuit Adjustments................................................... 24
Test Points and Locations......................................... 27
Service Adjustment Data Table................................. 28
Chassis Description..................................................... 45
Block Diagrams......................................................... 45
Chassis over view..................................................... 45
Input & video precessing stage ................................ 46
LCD panel driving stage ........................................... 47
Audio signal precessing stage .................................. 48
Lamp control stage ................................................... 49
Fan control stage ..................................................... 50
Motor control stage.................................................. 51
Serial bus control stage ........................................... 52
Power supply control & power failure detection ........ 53
LED indicators and projector condition..................... 54
Power failure detection system ................................ 55
Power failure detection tree ...................................... 56
Error History Log ...................................................... 57
Diagnosis of Power Failure with RS-232C port......... 58
Diagnosis procedure................................................. 58
Error information table .............................................. 59
Control Port Functions................................................. 60
System Control & I/O Port Table ............................... 60
Cleaning ...................................................................... 67
IC Block Diagrams ....................................................... 68
Electrical Parts List ...................................................... 77
Mechanical Parts List ................................................ 108
Cabinet Parts Location ........................................... 108
Optical Parts Location ............................................ 109
Mecanical Parts List ............................................... 113
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram...A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams .................................A11
Pin description of diode, transistor and IC.................A17
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