LG LMV1762SB Service Manual page 22

Turntable Motor Does Not Work
Power ON
1 Does the turntable motor
operate?
Yes
2 When door is closed,
does the oven lamp turn on?
No
Replace the
No
turntable
motor.
Adjust the
Yes
Primary latch
board
(refer to section
9-1,9-2)
-22-
3 Push the EZ-ON button
(operate).Is the voltage of
both ends of the D37 over 8
V?
Yes
4 Is there any beeping sound in
the continuity test between the
ends of two Pin of RY1?
Yes
5
PCB No Problem
Replace the PCB
No
(EBR75341201)
Replace the PCB
No
(EBR75341201)