LG MS-3446VR - Page 20

5-10
COMPONENTS TEST PROCEDURE RESULTS
RELAY 2
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
Normal:
A: Approx. 85 ~ 100 ohm
B: Approx. 10 ~ 25 ohm
Abnormal: Infinite or several
ohm.
Normal: Approx. 100~150 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.
1
2
3
4
5
6
7
8
9
10
4 sec
6 sec
8 sec
10 sec
12 sec
14 sec
16 sec
18 sec
20 sec
22 sec
18 sec
16 sec
14 sec
12 sec
10 sec
8 sec
6 sec
4 sec
2 sec
0 sec
POWER
LEVEL
Relay 2
A
B
Measure the resistance.
(Ohm-meter scale: R x 1)
Check for continuity of relay 2 with an
ohm-meter.
(Remove wire leads from relay 2 and
operate the unit.)
Measure the resistance.
(Ohm-meter scale: R x 1)