Eiki LC-XT4E, Service Manual

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Contents
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Contents ..................................................................................................................2
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Safety Instructions ...................................................................................................3
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Specifications ..........................................................................................................4
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Circuit Protections ...................................................................................................5
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Lamp Replacement .................................................................................................9
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Maintenance and Cleaning....................................................................................13
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Mechanical Disassemblies ....................................................................................15
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Optical Unit Disassemblies....................................................................................39
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Optical Parts Location and Direction .....................................................................50
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Troubleshooting.....................................................................................................53
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No Picture ...................................................................................................53
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No Power ....................................................................................................58
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No Audio Output..........................................................................................62
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Temperature Abnormality............................................................................63
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Power Lens System Abnormality ................................................................64
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Lamp Abnormality .......................................................................................65
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Optical Adjustments .............................................................................................66
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Adjustments after Parts Replacement (Optical Parts).................................66
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Electrical Adjustments ...........................................................................................77
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Adjustments after Parts Replacement (Electrical Parts) .............................77
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Service Adjustment Menu Operation ..........................................................78
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Circuit Adjustments .....................................................................................79
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Service Mode Adjustment Menu .................................................................84
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Service Adjustment Data Table...................................................................86
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Waveforms ............................................................................................................94
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Control Port Functions...........................................................................................95
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IC Block Diagrams...............................................................................................101
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Mechanical and Optical Parts list ........................................................................109
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Electrical Parts List ..............................................................................................121
Drawings & Diagrams
............................................................................ A1-A25
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Parts description and reading in schematic diagram .......................................... A2
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Block Diagrams ....................................................................................................A3
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Schematic Diagrams ....................................................................................A4-A14
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Printed Wiring Board Diagrams .................................................................. A15-A24
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Pins description of ICs, transistors, diodes ........................................................ A25