This document is a microwave oven repair manual, which introduces the safety measures, specifications, precautions, installation matters, operation guide, repair information, etc. of four models of microwave ovens: MG5338MW/MG5318MW/MG5338MK/MG5337MK.
This service manual provides detailed safety measures, installation guidelines, wiring diagrams, and repair procedures for LG microwave oven models MG5338MW, MG5318MW, MG5338MK and MG5337MK. It includes step‑by‑step instructions for disassembly, interlock testing, component testing, and microwave leakage checks.
The document also contains extensive parts lists, mechanical drawings of the door, control board, and internal components, as well as specifications for accessories such as the steam‑pot models. Technicians can use the provided diagrams and test procedures to diagnose faults and perform proper maintenance. This manual is written in Chinese.
Do not open the door or operate the oven while the door is open, and check the interlock, door seal, and other safety components before any repair work.
Connect the yellow‑green wire to the earth (E) terminal, the blue wire to neutral (N), and the brown wire to line (L) as indicated on the outlet.