Unlike many other appliances, the microwave oven is high-
voltage, high-current equipment. Though it is free from danger
in ordinary use, extreme care should be taken during repair.
5.1. Check the grounding
Do not operate on a 2-wire extension cord. The microwave
oven is designed to be used when grounded. It is imperative,
therefore, to make sure it is grounded properly before
beginning repair work.
5.2. Inverter Warnings (NEW H.V.)
5 CAUTIONS TO BE OBSERVED WHEN
TROUBLESHOOTING
11
NN-V690P / NN-V690PS / NN-V680W / NN-V680W
Summary of Contents for NN-V680W
Page 3: ...20 INVERTER CIRCUIT 43 21 REF NO 35 INVERTER U 44 3 NN V690P NN V690PS NN V680W NN V680W ...
Page 4: ...1 CONTROL PANEL 4 NN V690P NN V690PS NN V680W NN V680WS ...
Page 6: ...6 NN V690P NN V690PS NN V680W NN V680WS ...
Page 8: ...3 2 SCHEMATIC DIAGRAM XNE ZPE 8 NN V690P NN V690PS NN V680W NN V680WS ...
Page 17: ...17 NN V690P NN V690PS NN V680W NN V680W ...
Page 22: ...9 TROUBLESHOOTING GUIDE NEW H V 22 NN V690P NN V690PS NN V680W NN V680WS ...
Page 23: ...23 NN V690P NN V690PS NN V680W NN V680W ...
Page 27: ...10 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM METER 27 NN V690P NN V690PS NN V680W NN V680W ...
Page 30: ...12 EXPLODED VIEW AND PARTS LIST 30 NN V690P NN V690PS NN V680W NN V680WS ...
Page 39: ...18 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM 39 NN V690P NN V690PS NN V680W NN V680W ...
Page 40: ...40 NN V690P NN V690PS NN V680W NN V680WS ...
Page 43: ...20 INVERTER CIRCUIT SCHEMATIC DIAGRAM 43 NN V690P NN V690PS NN V680W NN V680W ...