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7. OSD is unstable or can't work normally
OSD is unstable or can't work normally
No
main board+power board
Reconnect the main board+power board
connected properly?
Yes
No
Replace the button function
Buttons are OK?
Yes
No
main board+power
Replace the main board+power board
board
Yes
Enter factory mode to do "Reset"
No
Replace the main board+power board
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