28
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 LE19C1320
Page 19: ...19 4 Mechanical Instructions LE19C1320 TBD ...
Page 21: ...21 Step3 Remove the AC BKT Step4 Remove KEY BOARD and IR BOARD ...
Page 23: ...23 Step3 Remove the AC BKT KEY BOARD IR BOARD and SPEAKERS Step4 The PANEL ...
Page 31: ...31 6 PCB Layout 6 1 Main Board 715G3759M02000005K ...
Page 32: ...32 ...
Page 33: ...33 6 2 Power Board LE19C1320 715G3762P01W32002S ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 36: ...36 LE22C1380 715G4313P01000003S ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 LE24C1380 715G4147P01H21002S ...
Page 40: ...40 ...
Page 41: ...41 ...
Page 42: ...42 6 3 Key Board 715G4105K01000004L 6 4 IR Board 715G4104R01000004S ...
