Insignia NS-LCD47HD-09 - Page 27

47″LCD TV Best Buy NS-LCD47HD-09
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6. 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
Is Key Pad Board Normally?
Replace Key Pad Board
Check Main Board
N
N
Y
Y
N