35
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
Содержание LE43B7500
Страница 4: ...4 1 General Specification...
Страница 5: ...5 2 Operating Instructions 2 1 Remote Control...
Страница 6: ...6...
Страница 19: ...19 2 3 Panel Control and Rear Terminal Control...
Страница 20: ...20...
Страница 21: ...21...
Страница 22: ...22...
Страница 26: ...26 4 Mechanical Instructions Step1 Remove the BASE Step2 Remove the REAR COVER...
Страница 27: ...27 Step3 Remove the MAIN BOARD POWER BOARD BKT IO SPEAKER Step4 Remove the BKT_STAND Step5 Remove the DECO...
Страница 28: ...28 Step6 PANEL...
Страница 36: ...36 6 PCB Layout 6 1 Main Board 715G6686M01002004K...
Страница 37: ...37...
Страница 38: ...38 6 2 Power Board 715G6679P02001002M...
Страница 39: ...39...
Страница 40: ...40...
Страница 41: ...41 6 3 IR Board 715G6721R01002004I 6 4 Key Board 715G6715K01002004I...