Microwave oven if the microwave leakage, harmful, and therefore the electrical and mechanical latching latching microwave dedicated only to ensure the safe use of the device is normal, Sharp microwave relay control circuit to control the high-voltage transformer J2 work. The investigation locking device properly.UuRservice manual download site
The investigation of the cooling fan and turntable does not turn the oven lamp is not lit, it identified a fault in the negative power supply, cooling fan, turntable control circuit. Measuring transistor BG2e very normal negative supply, b voltage normal, c voltage is zero, BG1 is not saturated conduction. Remove the check BG1 c, e open between poles, replaced with new pipe work properly after restarting the microwave oven.UuRservice manual download site