Sanyo PLC-XW10, Service Manual

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Contents
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Safety instructions ________________________________________________3
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Specifications __________________________________________________ 4
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Note on Servicing ______________________________________________ 5
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Adjustments after parts replacement ________________________________ 5
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Circuit protections ______________________________________________ 6-7
Fuse ______________________________________________________ 6
Thermal switch ______________________________________________ 7
Warning temperature and power failure protection ____________________ 7
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Mechanical disassemblies ______________________________________ 8-13
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Optical parts disassemblies ____________________________________ 14-17
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LCD panel/prism ass’y replacement ________________________________ 18
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Lamp replacement ______________________________________________ 19
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Optical adjustments __________________________________________ 20-22
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Contrast adjustment ________________________________________ 20
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Integrator lens adjustment __________________________________ 21
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Relay lens adjustment ______________________________________ 22
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Electric adjustments __________________________________________ 23-31
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Service adjustment menu operation ____________________________ 23
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Circuit adjustments ______________________________________ 24-28
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Service adjustment data table ______________________________ 29-30
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Test points and locations ____________________________________ 31
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Troubleshooting ______________________________________________ 32-36
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No power ______________________________________________ 32-34
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No picture ________________________________________________ 35
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No sound ________________________________________________ 36
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Control port functions ____________________________________________ 37
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Waveforms __________________________________________________ 38-40
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Cleaning ______________________________________________________ 41
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IC block diagrams ____________________________________________ 42-50
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Pins description of ICs, transistors, diodes____________________________ 51
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Parts description in schematic diagram ______________________________ 52
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Service parts lists ____________________________________________ 53-79
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Electrical parts list ______________________________________ 53-73
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Mechanical parts list ____________________________________ 74-77
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Optical parts list ________________________________________ 78-79
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Circuit block diagram ____________________________________________ A1
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Power supply lines ______________________________________________ A2
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Schematic diagrams __________________________________________ A3-A9
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Printed wiring board diagrams ________________________________ A10-A12