26
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 L24C1180
Page 17: ...17 4 Mechanical Instructions Step1 Remove the STAND ASS Y Step2 Remove the REAR COVER...
Page 19: ...19 Step 5 Separate the MAIN FRAME and PANEL Step 6 Remove the KEY BOARD IR BOARD and SPEAKERS...
Page 27: ...27 6 PCB Layout 6 1 Main Board 715G3759M02000005K...
Page 28: ...28...
Page 29: ...29 6 2 Power Board 715G3754P01W30003H...
Page 30: ...30...
Page 31: ...31...
Page 32: ...32 6 3 Key Board 715G3303 2 6 4 IR Board 715G3963R01000004S...
