2
■ Contents
■ Safety instructions ________________________________________________3
■ Specifications __________________________________________________ 4
■ Adjustments after parts replacement ________________________________ 5
■ Circuit protections ______________________________________________ 6-7
Fuse ______________________________________________________ 6
Thermal switch ______________________________________________ 7
Warning temperature and power failure protection____________________ 7
■ Mechanical disassemblies ______________________________________ 8-13
■ Optical parts disassemblies ____________________________________ 14-18
■ LCD panel replacement __________________________________________ 19
■ Lamp replacement____________________________________________ 20-22
■ Optical adjustments __________________________________________ 23-25
● Convergence adjustment ____________________________________ 23
● Contrast adjustment ________________________________________ 24
● Integrator lens adjustment __________________________________ 25
■ Electric adjustments __________________________________________ 26-35
● Service adjustment menu operation____________________________ 26
● Circuit adjustments ______________________________________ 27-32
● Service adjustment data table______________________________ 33-34
● Test points and locations ____________________________________ 35
■ Troubleshooting ______________________________________________ 36-40
● No power ______________________________________________ 36-38
● No picture ________________________________________________ 39
● No sound ________________________________________________ 40
■ Control port functions ________________________________________ 41-42
■ Waveforms __________________________________________________ 43-45
■ Cleaning ______________________________________________________ 46
■ IC block diagrams ____________________________________________ 47-58
■ Pins description of ICs, transistors, diodes____________________________ 59
■ Parts description in schematic diagram ______________________________ 60
■ Service parts lists ____________________________________________ 61-87
● Electrical parts list ______________________________________ 61-81
● Mechanical parts list ____________________________________ 82-87
■ Circuit block diagram ____________________________________________ A1
■ Power supply lines ______________________________________________ A2
■ Schematic diagrams __________________________________________ A3-A9
■ Printed wiring board diagrams ________________________________ A10-A12
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