Read Sharp LC-24LE240EK Service Manual online
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LC-24LE240
97&4VSFPIQW
4VSFPIQ97&MWRSX[SVOMRKSVRS97&(IXIGXMSR
'LIGO97&7YTTP]-XWLSYPHFIRIEVP]:
21.5. Keypad Touchpad Problems
Problem: Keypad or Touchpad is not working
Check keypad supply and KEYBOARD pin on MB62.
5. Keypad Touchpad Problems
6. USB Problems
Problem: USB is not working or no USB detection.
Check USB Supply. It should be nearly 5V.
Problem: USB is not working or no USB detection.
Check USB Supply. It should be nearly 5V.
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