Main Pwb; Dispenser; Display Pcb; Ice Button Assembly - LG LFX28978 series Service Manual

3-8 MAIN PWB

1) Loosen 3 screws on the PWB cover.
Figure 20
2) Remove the PWB cover
Figure 21
3) Disconnect wire harness and replace the main PWB in
the reverse order of removal.
Figure 22

3-9 DISPENSER

Figure 23
1) Pull out the drain
3) If nozzle is interfered with button, push and pull out the
bottom of button and then pull out the right side.
Figure 24
2) Use these 2 holes to pull
out the bottom
Figure 25
- 10 -
Figure 26
4) Holding the inner side of
the dispenser pull
forward to remove.
CAUTION: When replacing the dispenser cover make
sure the lead wire does NOT come off and the water line
is not pinched by the dispenser.

3-10 DISPLAY PCB

As shown below, remove 1 screw on the PCB fixing screw.
Remove the display PCB fixing screw.
Case, PCB Case, PCB

3-11 ICE BUTTON ASSEMBLY

1) Remove the 1 screw holding the lever.
2) Remove the spring from the hook.
3) Push and pull on the tab to remove.
Button Lever
Figure 27
5) Remove the
lead wire.
Figure 28
Figure 29 Figure 28
Display PCB Display PCB
Figure 30