AOC e2450Swd, Service Manual

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Service Manual e2450Swd
47
Key Board---
OSD no working
9.2 Equipments and Tools Requirement
1. Multi-meter.
2. Oscilloscope.
3. Pattern Generator.
4. DDC Tool with and Compatible Computer.
5. Alignment Tool.
6. LCD Color Analyzer.
7. Service Manual.
8. User Manual.
If the monitor fails to operate correctly, please follow the steps below for a possible solution.
1. Perform the adjustments described in OPERATION THE MONITOR, depending on the problem you
have .If the monitor dose not get a picture ,skip to 2.
2. Consult the following items if you cannot find an appropriate adjustment item in OPERATING THE
MONITOR or if the problem persists.
3. If you are experiencing a problem which is not described below or you cannot correct the problem,
discontinue using the monitor and contact your dealer or service center for further assistance.
Check flow chart
For the key board
OSD is unstable or not
working
Is Key Pad Board connecting
normally
Is Button Switch normally
Is Key Pad Board normally
Check Main Board
Connect Key Pad Board
Replace Button Switch
Replace Key Pad Board
OK
NG
NG
NG
OK
OK