Table Of Contents - Sanyo 1 122 121 00 Service Manual

■ Contents
■ Safety instructions ________________________________________________3
■ Specifications __________________________________________________ 4
■ Note on Servicing
■ Adjustments after parts replacement ________________________________ 5
■ Circuit protections ______________________________________________ 6-7
■ Mechanical disassemblies ______________________________________ 8-13
■ Optical parts disassemblies ____________________________________ 14-17
■ LCD panel/prism ass'y replacement ________________________________ 19
■ Lamp replacement ______________________________________________ 20
■ Optical adjustments __________________________________________ 21-24
■ Electric adjustments __________________________________________ 25-30
■ Troubleshooting ______________________________________________ 35-39
■ Control port functions
■ Waveforms __________________________________________________ 44-45
■ Cleaning ______________________________________________________ 46
■ IC block diagrams ____________________________________________ 47-53
■ Service parts lists ____________________________________________ 54-83
Drawings & Diagrams
■ Parts description and reading in schematic diagram ____________________ A2
■ Circuit block diagram ____________________________________________ A3
■ Power supply lines ______________________________________________ A4
■ Schematic diagrams ________________________________________ A5-A11
■ Printed wiring board diagrams ________________________________ A12-A14
■ Pins description of ICs, transistors, diodes __________________________ A15
______________________________________________ 5
● Fuse ____________________________________________________ 6
● Thermal switch ____________________________________________ 6
● Interlock switch ____________________________________________ 6
● Warning temperature and power failure protection ________________ 7
● Contrast adjustment ________________________________________ 21
● Condenser lens adjustment __________________________________ 22
● Condenser lens-Out adjustment ______________________________ 23
● Relay lens-Out adjustment __________________________________ 24
● Service adjustment menu operation ____________________________ 23
● Circuit adjustments ______________________________________ 24-29
● Service adjustment data table ______________________________ 30-33
● Test points and locations ____________________________________ 34
● No power ______________________________________________ 35-36
● No picture ____________________________________________ 37-38
● No sound ________________________________________________ 39
● Lens motor problems ______________________________________ 39
________________________________________ 40-43
● Electrical parts list ______________________________________ 54-76
● Mechanical parts list ____________________________________ 77-78
● Optical parts list ________________________________________ 79-83
______________________________________ A1-A15
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