LG LJ7 Chassis Service Manual: A Comprehensive Guide for Repair and Maintenance
- Disconnect all connectors (Speakers, IR, WiFi Module, Power).
- Unscrew the standoffs holding the Main Board.
- Lift the board carefully.
You can find full PDFs and schematics for the LJ7 chassis on technical archival sites:
Remember to always follow safety precautions when working with electronic devices, and consult a professional if you're unsure about any repair procedures.
- Check the power cord and the power supply unit
- Check the fuse and replace if necessary