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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 LE32B7500
Page 4: ...4 1 General Specification ...
Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...
Page 6: ...6 ...
Page 19: ...19 2 3 Panel Control and Rear Terminal Control ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 26: ...26 4 Mechanical Instructions LE32B7500 Step1 Remove the BASE Step2 Remove the REAR COVER ...
Page 28: ...28 Step6 PANEL ...
Page 29: ...29 LE50B7500 Step1 Remove the BASE Step2 Remove the REAR COVER ...
Page 38: ...38 6 PCB Layout 6 1 Main Board 715G6686M01001004K ...
Page 39: ...39 ...
Page 40: ...40 6 2 Power Board 715G6143P01004002H 32 ...
Page 41: ...41 ...
Page 42: ...42 ...
Page 43: ...43 715G6439P01002002M 50 ...
Page 44: ...44 ...
Page 45: ...45 ...
Page 46: ...46 6 3 IR Board 715G6721R02000004I 6 4 Key Board 715G6715K01002004I ...