Panasonic NN-T694SF Service Manual

Contents

Panasonic NN-T694SF Service Manual Manual pdf 7 page image

2.1. Adjustment of primary latchswitch, secondary latch switchand short switch.1. Mount the Primary latch switch, the Secondary latch switchand the Short switch to the door hook assembly as shownin ILL.NOTE:No specific individual adjustments duringinstallation of the Primary latch switch, Secondarylatch switch or Short switch to the door hook arerequired.2. When mounting the door hook assembly to the ovenassembly, adjust the door hook assembly by moving it inthe direction of the arrows in the illustration so that the ovendoor will not have any play in it. Check for play in the doorby pulling the door assembly. Make sure that the latch keysmove smoothly after adjustment is completed. Completelytighten the screws holding the door hook assembly to theoven assembly.3. Reconnect the short switch and check the continuity of themonitor circuit and all latch switches again by following thecomponent test procedures.2.2. Measurement of microwaveoutputThe output power of the magnetron can be determined byperforming IEC standard test procedures. However,due to thecomplexity of IEC test procedures, it is recommended to testthe magnetron using the simple method outlined below.Necessary Equipment:*1 liter beaker *Glass thermometer*Wrist watch or stopwatchNOTE:Check the line voltage under load.Low voltage willlower the magnetron output. Take the temperaturereadings and heating time as accurately as possible.1. Fill the beaker with exactly one liter of tap water.Stir thewater using the thermometer and record the water’stemperature. (recorded as T1).2. Place the beaker on the center of glass tray.Set the oven for High power and heat it for exactly oneminute.3. Stir the water again and read the temperature of the water.(recorded as T2).4. The normal temperature rise at High power level for eachmodel is as shown in table.TABLE (1L-1min.test)RATED OUTPUT TEMPERATURE RISE1100W(IEC705-88) Min. 16.9°F(9.4°C)1200W(IEC705-88) Min. 18.5°F(10.3°C)1300W(IEC705-88) Min. 19.8°F(11.1°C)2 MEASUREMENTS AND ADJUSTMENTS7NN-T694SF NN-T664SF