LG MS-3237BL, Руководство по обслуживанию

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5-10
COMPONENTS TEST PROCEDURE RESULTS
RELAY 2
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
Check for continuity of relay 2 with an
ohm-meter.
(Remove wire leads from relay 2 and
operate the unit.)
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.
Relay 1
Relay 2
A(RD) B(BK)
C(WH)
Measure the resistance.
(Ohm-meter scale: R x 1000)
Normal:
A~B : Approx. 65 ~ 80 ohm
B~C : Approx. 10 ~ 30 ohm
A~C : Approx. 85 ~ 105 ohm
Abnormal: Infinite or several
ohm.
Normal: Approx. 100 ~ 150 ohm
Abnormal: Infinite or several
ohm.
POWER
LEVEL
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
Measure the resistance.
(Ohm-meter scale: R x 100)