LG LRG4111ST Service Manual page 16

REMOVING THE SPARK MODULE (IG TRANS)
AND POWER CONTROL BOARD (PCB)
WARNING
• DISCONNECT power supply cord
from the outlet before servicing.
• Replace all panels and parts before
operating.
• RECONNECT all grounding devices.
- Failure to do so can result in severe personal
injury, death or electric shock.
CAUTION
• Use caution when handling sheet
metal parts while servicing the range.
- Some parts may have sharp edges, which
could result in injury.
1. Turn off the electrical supply and gas supply
going to the range.
2. Pull the range away from the wall so that you can
access the rear panel.
3. Remove control cover (See step 3~4 on page
3-2)
4. There are 3 PCB's (power control board). When
you check PCB, check the proper pcb in default
mode and check main pcb.
NOTE: Refer to pages 6-1~6-2 for composition
of control board
NFC PCB Main PCB
Buzzer PCB
COMPONENT ACCESS
5. 5 connectors of the electrode and a
connector of the harness.
a) Disconnect 6 connectors.
b) Remove the 2 screws.
c) Remove the 2 housings by your hands.
3-3