Table Of Contents - Mitsubishi Electric LT-2220 Service Manual

MODELS: LT-2220 / LT-2240 / LT-3020 / LT-3040 / LT-3050
INTRODUCTION .................................................................................................................................. 5
PRODUCT SAFETY NOTICE ............................................................................................................... 5
SAFETY PRECAUTIONS ..................................................................................................................... 5
DISASSEMBLY
LT-22XX ............................................................................................................................................. 7
LT-30XX ........................................................................................................................................... 13
ELECTRICAL ADJUSTMENTS
Initial Setup .................................................................................................................................... 21
CIRCUIT EXPLANATIONS & BLOCK DIAGRAMS
Circuit Explanations ....................................................................................................................... 23
Block Diagrams .............................................................................................................................. 29
TEST POINT LOCATIONS AND DESCRIPTIONS
PWB-SET Test Point Locations and Description ............................................................................ 33
PWB-MAIN Test Point Locations and Description .......................................................................... 35
TROUBLESHOOTING
LT-22XX Power Troubleshooting ...................................................................................................... 37
LT-30XX Power Troubleshooting ...................................................................................................... 39
Video Troubleshooting .................................................................................................................... 41
Audio Troubleshooting .................................................................................................................... 51
Remote Control & Front Switch Troubleshooting ............................................................................ 53
REPLACEMENT PARTS
Replacement Parts List .................................................................................................................. 55
INTERCONNECT WIRING DIAGRAM
CONTENTS
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