LG LAB550H Service Manual page 88

1) Disconnect the Harness cable from the MAIN PCB.
2) Remove the 5 screws securing the SMPS PCB.
3) Remove the SMPS PCB.
SMPS
1) Remove the 5 screws securing the MAIN PCB.
2) Remove the MAIN PCB.
2
2
2
3
Fig. 6
Fig. 7
3-5
1
MAIN
1
1
MAIN
2
1