-22-
COMPONENTS
TEST PROCEDURE
RESULTS
RELAY
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
Check for continuity of relay with an
ohm-meter.
(Remove lead wires from relay and
operate the unit.)
Measure the resistance.
(Ohm-meter scale: R x 100)
Measure the resistance.
(Ohm-meter scale: R x 1000)
Normal: Approx.
ON: 0 ohm
OFF:
∞
ohms
Abnormal: Infinite or several
ohms.
Normal: Approx. 50 ~ 150 ohms
Abnormal: Infinite or several
ohms.
Normal: Approx. 2 ~ 4K ohms
Abnormal: Infinite or several
ohms.
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(RD)
B(BK)
C(WH)
Summary of Contents for LRMM1430SB
Page 8: ...6 OVERALL CIRCUIT DIAGRAM A SCHEMATIC DIAGRAM 7 Figure 3 ...
Page 9: ...B MATRIX CIRCUIT FOR TOUCH KEY BOARD 8 Figure 4 ...
Page 32: ... 31 INTRODUCTION EXPLODED VIEW ...
Page 34: ... 33 CONTROLLER PARTS 268711 WTP002 23506A 13551A ...
Page 36: ... 35 LATCH BOARD PARTS WSZ085 43500A 466001 43501A 466003 466001 ...
Page 37: ... 36 OVEN INTERIOR PARTS WTT028 WTT021 54974T 56501A 56930V 56912B 43500A 56324A WSZ002 ...
Page 43: ... 42 SCHEMATIC DIAGRAM OF P C B ...
