5-11
COMPONENTS TEST PROCEDURE RESULTS
Disconnect the 8 pin
connector from P.C.B.
(Refer to schemetic diagram)
RELAY 3, RELAY 4
OF P.C.B.
(Wire leads removed.)
Note: Relay
Relay 1: Turntable motor
Oven lamp
Relay 2: Fan motor
Relay 3: Microwave
Relay 4: Toast
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
Abnormal:
Infinite or several
ohm.
Normal: Approx. 2.5~3.5 kohm
Abnormal:
Infinite or several
ohm.
Check for P.C.B. connector.
Measure the resistance.
(Ohm-meter scale: R x 1)
Cooking Start OFF
Cooking Start OFF
Measure the resistance.
(Ohm-meter scale: R x 1000)
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.
A Approx. 10 ~ 25 ohm
B Approx. 95 ~ 120 ohm