-22-
COMPONENTS
TEST PROCEDURE
RESULTS
RELAY 2
(Power Relay)
FAN MOTOR
TURNTABLE
MOTOR
1. Measure continuity.
2. Remove the lead wires and operate oven
at power level 1 through power level 10.
1. Remove wire leads.
2. Measure resistance.
1. Remove wire leads.
2. Measure resistance.
POWER
LEVEL
1
4 sec
18 sec
2
6 sec
16 sec
3
8 sec
14 sec
4
10 sec
12 sec
5
12 sec
10 sec
6
14 sec
8 sec
7
16 sec
6 sec
8
18 sec
4 sec
9
20 sec
2 sec
10
22 sec
0 sec
Normal:
A:Approximately
95~120 ohms.
B:Approximately
10~25 ohms.
Abnormal:
Infinite
Normal: Approx.2.5~3.5 Kohms
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.
0
0.L
Summary of Contents for LTM9020B
Page 35: ... 34 WTP013 35889A 34370T 36549S 33390G WTT010 WTT020 WSZ185 33052A 33112U OVEN CAVITY PARTS ...
Page 36: ... 35 WSZ085 56912B 55262A 44510A 43500A 466001 466003 466001 43501A LATCH BOARD PARTS ...
Page 38: ... 37 56170D 63303A WSZ002 WTT021 WTT028 647781 65006A 63302A WTT021 BASE PLATE PARTS ...
Page 40: ... 43 SCHEMATIC DIAGRAM OF P C B ...
Page 41: ...PRINTED CIRCUIT BOARD 44 ...
Page 42: ... 45 ...
