LG SJ4Y Service Manual page 21

HOW TO DISASSEMBLE THE MAIN UNIT
1-2-1. Front PCB Assembly
1) Remove the 2 screws.
2) Remove the Front PCB Assembly.
Front PCB Assembly
1-2-2. Main PCB Assembly
1) Detach the cables from the Main chassis.
2) Disconnect the FFC cables from the Main PCB.
3) Remove the 3 screws (Main + HDMI Jack).
4) Remove the Main PCB Assembly.
Main PCB Assembly
2
1
Figure 1-2-1
1
1
1
Figure 1-2-2
2-4
2
3
4
3
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Main Chassis