5-11
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
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.
1
3
5
Measure the resistance.
(Ohm-meter scale: R x 1)
Normal:
Abnormal:
∞
or several
Ω
00~500
1
Cooking Start
OFF
Ω
Normal: Approx.100~200K
Abnormal:
∞
or several
Ω
Ω
L.V.Transformer of P.C.B
(Refer to schemetic diagram)
Check for P.C.B. connector.
Disconnect the 3 pin
connector from P.C.B.
*
Normal
Abnormal
COMPONENTS
TEST PROCEDURE
RESULTS
Relay 2 Relay 1
Relay 3
Relay 4
Relay 5
RELAY 2, RELAY 3
OF P.C.B.
(Wire leads removed.)
Note: Relay
Relay 1: Lamp
Relay 2: Fan motor
Relay 3: Convection
Turntable motor
Relay 4:Grill
Relay 5:Microwave
Summary of Contents for NN-CT641M
Page 9: ...4 3 SCHEMATIC DIAGRAM 15A Ry 1 Ry 2 Ry 3 Ry 4 Ry 5 RY3 RY4 RY5 RY1 RY2 ...
Page 31: ...6 2 DOOR PARTS 1 2 3 5 6 7 8 9 4 ...
Page 32: ...6 3 CONTROL PANEL PARTS 10 11 12 13 ...
Page 33: ...INTERIOR PARTS 6 4 18 19 20 21 22 23 24 25 26 31 32 33 28 30 71 72 65 64 29 27 ...
Page 34: ...6 5 36 LATCH BOARD PARTS 41 34 35 42 37 37 38 39 ...
Page 35: ...6 6 OVEN CAVITY PARTS 44 45 46 47 48 49 50 51 52 R00 43 ...
Page 36: ...6 7 BASE PLATE PARTS 53 54 55 56 57 59 60 61 ...
