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Service Manual AOC2241VG

9. Maintenance Trouble treatment

9.1 Maintainability Requirement

1. Voltmeter. & digital multimeter

2. Oscilloscope.

3. Pattern Generator.

4. DDC Tool with Compatible Computer.

5. Alignment Tool.

6. LCD Color Analyzer.

7. Service Manual.

8. User Manual.

9. repair tools etc

9.2 Trouble Shooting

Main Board---No Power

No power

Press power key and look if

the picture is normal

Please reinsert and make sure the AC

100-240V is normal?

Reinsert or check the power section

Check 5V-CN701, 3.3V-U701-2;

1.8V-U703,Panel-Vcc-Q705

Check X401 waveform

Replace U402/U401

Replace X401

Check&replace

CN701,U701,U703,Q705,Q706

Check flow chart

For the no power

AOC AOC2241VG User Manual

Questions and Answers: