Panasonic TH-42PX50U Replacement Procedure page 22

Removal of the SU and SD Boards
Figure 15. SU and SD boards
Page 8
1. Remove the 2 screws of the SU board as
indicated in figure 15.
2. Disconnect the bridge connector (SU45 or
SC45) and slide the SU-board to the left to
disconnect the coupler (SC41 -SU41) from
the SC board.
3. Remove the flexible cables (SU1, SU2, SU3,
SU4) and place the SU board aside.
Installation is performed after the removal of
the SC board.