Sharp LC-42LB261U - Page 24

32″&42″&50″LCD TV Best Buy LC-32LB261U- LC-42LB261U- LC-50LB261U
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7. OSD is unstable or can’t work normally
Key board connected properly?
Reconnect the key board
Buttons are OK?
Replace the button function
Yes
No
Key board is OK?
Replace the key board
Replace the main board
No
Yes
No
No
OSD is unstable or can’t work normally
Enter factory mode to do “Reset”
Yes