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Download HP L1940T NT68663MEFG A02
Transcript
19" LCD Color Monitor HP L1940T 8.1 Main Board 1. No power No power Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the NG OK power section Measure CN401 PIN7/8=12V? PIN10/11=3.3V? PIN13/14=5V? NG OK Check power section Y301 oscillate waveforms are normal NG OK Replace Y301 Replace U401 NG Replace U403 18
