LG MA8000ST Service Manual - Page 14
Control, Panel, Assembly
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icrowave power output measurement is mace the microwave oven supplied at its rated voltage and ooeldtea dt its maximum microwave ower se in VVI a ioaa o g of potaoie water. e microwave power output in watts is calculate from the following forma ila• P- vessel having a maximum nialena thickness of 3 mni and an outside diameter of approximate y 190 mm. d wh the enerator is temperature prior to the start of the test. operating-at-full-power-Magnetr-Pn-filament-neat-up time is not includec. (about 3 sec) p is measured immediately before the water is added to • The water is stirred to ecualize temperature throughout _ the vessel. After addition of the water to the vessel, tthuernltoaabdieiswihmicmheisd_iiaftte_thlyeplolawceesdt_oonetshteonc_eanntedrthoef the the-vessel prior-to-nleasut-inglhe-final-water temperature. • Stirring devices and measuring instruments are microwave power switched on. selected in or er to minimize addition or removal o • The time T for the temperature of the water to rise by a value AT of (10±2)°K is measured, where T is the time in seconds and AT is the temperature rise. The initial WATFR I OAF) maximum c ifference between t fina water temDerature and the ambient ternDerature is 5°K. TURNTABLE 1) Disconnect the power supply cord from the outlet. 2) Remove the screws from tle rear of the case. e outer case must e movea aacKwarato oe i e ,00 "* securing screw the ground terminal. C. CONTROL PANEL ASSEMBLY 1) Open the door. 2) Remove the screws for the ground and securing the control panel. 3) Disconnect the leadwire from RELAY(RY2) of the PCB SUB ASS'Y. 4) Lift up and pull out control panel assemb y careful y from the cavity. CAUTION: DISCHARGE THE HIGH VOLTAGE CAPACITOR BEFORE SERVICING (refer to page 2-1) 5-3 Lift up and pull out control panel oe