Haier LE32B7500 Service Manual page 35

5. Sound problem
Check the speaker resistance value is in spec
(Remark: The value is marked on the speaker)?
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No sound or sound abnormal
Check the audio source connection
and the TV system are correct?
Yes
Check the TV is muted, adjust the
volume or enter the menu to reset?
No
Enter factory mode to do "Reset"
No
Check the cable between the
speakers and main board is OK?
Yes
Yes
Replace the speaker
35
No
Reinsert the audio cable or
change the TV system
No
Replace the cable
No
Replace the main board