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 LE22A3520/61
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 6: ...6 2 2 To Use the Menus Picture Setting ...
Page 7: ...7 Sound Setting Settings Menu ...
Page 8: ...8 Channel Search ...
Page 11: ...11 Other Adjustments ...
Page 13: ...13 Sound and OSD ...
Page 15: ...15 Media Functions USB Viewing Photos ...
Page 20: ...20 2 4 Front Panel Control Knobs ...
Page 26: ...26 5 Remove the screw to remove IR BOARD ...
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G4629M01000004K ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 6 2 Power Board 715G5309P0A001002S ...
Page 38: ...38 ...
Page 39: ...39 6 3 Key Board 715G5569K01000004S 6 4 IR Board 715G5061R01000004M ...
Page 41: ...41 8 Block Diagram ...
Page 58: ...58 10 Exploded View ...