- 2 -
■ CONTENTS
■ Safety Instructions ..................................................................................................3
■ Specifications .........................................................................................................4
■ Circuit Protections ..................................................................................................5
● Fuse for circuit protection .............................................................................5
● Thermal switch reset ....................................................................................5
● Electric shock protection(Lamp cover switch) ............................................ 6
■ Maintenance and Cleaning.....................................................................................7
● Warning Indicator .........................................................................................7
● Air filter care and cleaning............................................................................8
● Cleaning the LCD Projection TV ..................................................................9
● Optical parts care and cleaning..................................................................12
■ Lamp replacement................................................................................................13
■ Mechanical disassemblies....................................................................................16
● Optical parts location and direction ............................................................46
● Sensors and Switches location ..................................................................49
■ Adjustments after Parts Replacement..................................................................50
■ Optical adjustment................................................................................................51
● Preparation for Adjustments.......................................................................51
● Condenser lens adjustment........................................................................54
● Relay lens adjustment ................................................................................55
● Contrast adjustment ...................................................................................56
● Picture image and focus adjustment ..........................................................57
■ Electrical Adjustments ..........................................................................................63
● Service adjustment menu operation...........................................................63
● Circuit Adjustments ....................................................................................64
● Service Adjustment Data table...................................................................67
● Test points and Locations...........................................................................72
■ Chassis Block Diagrams.......................................................................................73
■ Power Supply Lines..............................................................................................80
■ Troubleshooting ....................................................................................................81
● Indicators and Condition.............................................................................81
● No power....................................................................................................82
● No picture...................................................................................................84
● No sound................................................................................................... 86
■ Waveforms............................................................................................................87
■ Special function ....................................................................................................88
■ Control Port Functions..........................................................................................89
■ IC Block Diagrams................................................................................................93
■ Service parts lists...............................................................................................104
● Mechanical parts list.................................................................................104
● Electrical parts list ....................................................................................115
● Differences parts list (PLV-45WR1Z)........................................................116
Drawings & Diagrams ...................................................................................A1~A16
■ Parts description and reading in schematic diagram ........................................A2
■ Schematic diagrams...................................................................................A3~A8
■ Printed wiring board diagrams..................................................................A9~A14
■ Pins description of ICs, transistors, diodes .....................................................A15