Keypad Board - Fujitsu FSC B17-1 Service Manual

8.2.3 KeyPad Board

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OSD is unstable or not working
Is KeyPad Board connecting normally ?
Y
Is Button Switch normally ?
Y
Is KeyPad Board Normally ?
Y
Check Main Board
N
Connect KeyPad Board
N
Replace Button Switch
N
Replace KeyPad Board
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FSC B17-1 Service Manual