31
5. Sound problem
No
Check the cable between the
speakers and main board is OK?
No sound or sound abnormal
Check the TV is muted, adjust the
volume or enter the menu to reset?
Reinsert the audio cable or
change the TV system
Replace the cable
Replace the speaker
Replace the main board
No
Yes
Check the speaker resistance value is in spec
(Remark: The value is marked on the speaker)?
Check the audio source connection
and the TV system are correct?
Yes
No
Yes
No
Enter factory mode to do “Reset”
No
Summary of Contents for LE22T900
Page 4: ...4 1 General Specification ...
Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...
Page 6: ...6 2 2 OSD Menus ...
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Page 17: ...17 2 3 Panel Control and Rear Terminal Control ...
Page 18: ...18 ...
Page 19: ...19 ...
Page 24: ...24 LE24T900 Step1 Remove the STAND ASS Y Step2 Remove the REAR COVER ...
Page 26: ...26 Step5 Remove the MAIN POWER BOARD IR BOARD and SPEAKERS Step6 Separate the PANEL and BEZEL ...
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G5549M0E000004K ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 6 2 Power Board 715G5309P01002002S ...
Page 38: ...38 ...
Page 39: ...39 6 3 IR Board LE22T900 715G5471R02000004S ...