LG LMC1575BD Service Manual

5-11
COMPONENTS TEST PROCEDURE RESULTS
MAGNETRON
(Wire leads removed)
RELAY
Check for continuity of relay 2 with an ohm-meter.
(Remove wire leads from relay 2 and operate the unit.)
Unit working : 0Ω
Unit not working : infinite
FAN MOTOR
(Wire leads removed)
Measure the resistance.(Ohm-meter scale: R x 1)
Normal:
A: Approx.110~120 ohm
B: Approx. 25~30 ohm
Abnormal: Infinite or several ohm.
TURNTABLE MOTOR
(Wire leads removed)
Measure the resistance.(Ohm-meter scale: R x 1) Normal: Approx. 115~130 ohm
Abnormal: Infinite or several ohm.
NOTE : • A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON.
• MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION.
• WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE CONNECTOR, NOT THE WIRES.
Antenna
Gasket
Chassis
Filament
NOTE: When testing the magnetron, be sure to install the magnetron gasket in the correct position and be sure that the
gasket is in good condition.
Relay 2
A
B

LG LMC1575BD Specifications

General

Style	counter top
Color	black stainless steel
Total Capacity	1.5 cu. ft.
Convection	no
Power Levels	10
Sensor Cooking	yes
Quick Start	no
Timer	yes
Interior Light	yes
Microwave Power	1, 250 watts
Voltage	120 volts
Current	15a

Weight and Dimensions

Depth	17 inch
Height	12 13/100 inch
Width	21 41/100 inch