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Philips 220E1SB/00 - Page 44

Philips 220E1SB/00
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44
Meridian 1
11.3 Key Board
OSD is unstable or not working
Is Key Pad Board connecting normally?
Connect Key Pad Board
Is Button Switch normally?
Replace Button Switch
Y
N
N
Is Key Pad Board normally?
Replace Key Pad Board
Y
N
Y
Check Main Board

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