1. Discharge high voltage before touching Inverter PCB.
1. Unplug oven and leave it for more than 30 seconds before
removing outer cabinet.
2. Use insulated lead wire to short across D701 Anode to
D702
Cathode
or
short
across
magnetron
filament
terminals to the chassis ground. Please refer to service
manual for detail of the specified model.
2. Remove inverter PCB from oven before troubleshooting.
Refer to related service manual for inverter PCB removal.
1. Visual check:
a. PCB board: Any crack on board, burnt printed copper
foil pattern? Any cockroach, bugs excrements, any mark
of wet?
b. Components: Any damaged components? Any burnt,
broken or missing?
3. Check component by circuit tester.
25
NN-C2000P / NN-C2000W
Summary of Contents for NN-C2000P
Page 4: ...1 FEATURE CHART 4 NN C2000P NN C2000W ...
Page 5: ...2 CONTROL PANEL 5 NN C2000P NN C2000W ...
Page 6: ...3 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 6 NN C2000P NN C2000W ...
Page 7: ...4 SCHEMATIC DIAGRAM FOR QPQ JPG 7 NN C2000P NN C2000W ...
Page 8: ...5 SCHEMATIC DIAGRAM FOR MNQ YNQ TNE LNK SNM KNQ KKE 8 NN C2000P NN C2000W ...
Page 17: ...Missing grounding is very danger 17 NN C2000P NN C2000W ...
Page 22: ...11 TROUBLESHOOTING GUIDE NEW H V 22 NN C2000P NN C2000W ...
Page 23: ...23 NN C2000P NN C2000W ...
Page 24: ...24 NN C2000P NN C2000W ...
Page 28: ...28 NN C2000P NN C2000W ...
Page 29: ...12 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM METER 29 NN C2000P NN C2000W ...
Page 30: ...13 EXPLODED VIEW AND PARTS LIST 30 NN C2000P NN C2000W ...
Page 40: ...22 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM 40 NN C2000P NN C2000W ...
Page 41: ...41 NN C2000P NN C2000W ...
Page 42: ...SCHEMATIC DIAGRAM 23 INVERTER CIRCUIT 42 NN C2000P NN C2000W ...
