33
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
Summary of Contents for E48E91NCDLH62NZ
Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...
Page 18: ...18 2 3 Panel Control and Rear Terminal Control ...
Page 19: ...19 ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 25: ...25 4 Mechanical Instructions Step1 Remove the BASE Step2 Remove the REAR COVER ...
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G6686M01001004K ...
Page 35: ...35 ...
Page 36: ...36 6 2 Power Board 715G6439P01002002M ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 6 3 IR Board 715G6721R02000004I 6 4 Key Board 715G6715K01000004I ...