This PDF download contains information for the following:
MB-4334B CS1QLGD MG-4335BTG MG-4335BTG
The PDF may also contain information that applies to additional models not listed.
LG Microwave MB-4334B-CS1QLGD-MG-4335BTG-MG-4335BTG Service Manual
Service Information For Appliance Repair Professionals