| Informações: | The LT-3280 includes the LT-3280D, monitor and HD-4001, receiver/controller.
The LT-3780 includes the LT-3780D, monitor and HD-4001, receiver/controller.
This manual covers the LT-3280D and LT-3780D, monitors.
For the receiver/controller, see the HD-4001 Service Manual.
PRODUCT SAFETY NOTICE & SAFETY PRECAUTIONS .................................................................. 5
DISASSEMBLY
Disassembly & Panel Replacement ................................................................................................ 7
LT-3280 Wire Dressing .................................................................................................................. 23
LT-3780 Wire Dressing .................................................................................................................. 24
ELECTRICAL ADJUSTMENTS
Initial Setup ................................................................................................................................... 25
CIRCUIT EXPLANATIONS & BLOCK DIAGRAMS
Circuit Explanations ...................................................................................................................... 27
Block Diagrams ............................................................................................................................ 32
TROUBLESHOOTING
Power Troubleshooting .................................................................................................................. 35
Video Troubleshooting ................................................................................................................... 38
Audio Troubleshooting ................................................................................................................... 40
Remote Control Troubleshooting ................................................................................................... 42
Front Switch Troubleshooting ........................................................................................................ 43
REPLACEMENT PARTS
LT-3280 Replacement Parts List .................................................................................................... 44
LT-3780 Replacement Parts List .................................................................................................... 45
SCHEMATICS
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