LG LMV1683ST Service Manual page 22

Turntable Motor Does Not Work
Power ON
1 Does the turntable motor
operate?
No
2 When door is closed,
does the oven lamp turn on?
No
Replace the
Yes
turntable
motor.
Adjust the
Yes
Primary latch
board
(Refer to 9-1,
9-2)
-22-
3 Push the EZ-ON (Operate)
Is the voltage of both ends
of the D31 over 8 V?
Yes
4 Is there any beep sound in
continuity test between the
ends of two Pin of RY1?
Yes
5
PCB No Problem
Replace the PCB
No
(EBR67471707)
Replace the PCB
No
(EBR67471707)