Measurement Of Microwave Output - Panasonic NN-K153WF Service Manual

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completed. Completely tighten the screws holding the door hook
assembly to the oven assembly.
3. Reconnect the short switch and check the coninuity of the
monitor circuit and all latch switches again by following the
components test procedures.

4.2. Measurement of microwave output

The output power of the magnetron can be determined by performing IEC standard test
procedures. However, due to the complexity of IEC test procedures, it is recommended to test
the magnetron using the simple method outlined below.
Necessary Equipment:
- 1 liter beaker
- Glass thermometer
- Wrist watch or stopwatch
NOTE:
Check the line voltage under load.Low voltage will lower the
magnetron output. Take the temperature readings and heating time
as accurately as possible.
1. Fill the beaker with exactly one liter of tap water. Stir the water
using the thermometer and record the beaker's temperature.
(recorded as T1).
2. Place the beaker on the center of glass cook plate. / Set the oven
9

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