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.)
Measure the resistance.
(Ohm-meter scale: R x 1)
Measure the resistance.
(Ohm-meter scale: R x 1 )
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: Approx. 85 ~ 100 ohm.
B: Approx. 10 ~ 25 ohm.
Abnormal: Infinite or several
ohms.
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.
Relay 2
A
B
Summary of Contents for MA2120B
Page 27: ...6 2 13552A 13213A 13352A 13581A 13720D 13806D 14970A 14026A 13536A DOOR PARTS ...
Page 28: ...6 3 24781M 23506A 23572A 268711 WTP018 23550D CONTROLLER PARTS ...
Page 30: ...6 5 56912B 43500A 44510A 466003 466001 466002 55262A 43501A WSZ085 LATCH BOARD PARTS ...
Page 32: ...6 7 63302L 63303L 65006B 948501 63302R 56170D WSZ002 WTT021 63303R BASE PLATE PARTS ...
Page 41: ...8 1 SCHEMATIC DIAGRAM OF P C B ...
Page 42: ...8 2 PRINTED CIRCUIT BOARD ...
