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17" LCD Color Monitor 8.2 Trouble Shooting Lenovo LXH-GJ17L3 8.2.1 Main Board No power No power Press power key and look if the picture is normal NG Please reinsert and make sure the ne Reinsert or check the power section NG el. OK t AC of 100-240 is normal Measure U201 PIN2=1.8V OK NG w. wj U202 PIN2=3.3V Measure CN201 PIN5/6=12V? Measure CN201 PIN9/10=5V? X401 oscillate waveforms are normal Check power section OK Replace U201, U202 :// ww NG tp OK Replace U401 ht NG 34 Replace X401
