Acer AL1517 Panduan Servis - Halaman 35
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Halaman Cetak3. Keypad Board
OSD is unstable or not working
Is Keypad board connecting normally?
Is Button Switch normally?
Is Keypad board normally?
Check main board
OK
OK
OK
34
NG
Connect Keypad Board
NG
Replace Button Switch
NG
Replace Keypad Board