16
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 LE46H158Z
Page 4: ...4 1 General Specification Please refer to user manual ...
Page 5: ...5 2 Operating Instructions Please refer to user manual ...
Page 9: ...9 4 Remove the screws to remove COVER AC 5 Remove the screws to remove BKT ...
Page 11: ...11 8 Remove the screws to remove KEY BOARD IR BOARD and LED BOARD ...
Page 19: ...19 6 PCB Layout 6 1 Main Board 715G4649M01000005F ...
Page 20: ...20 ...
Page 21: ...21 6 2 MEMC Board 715G4847M0C000005F ...
Page 22: ...22 6 3 Power Board 715G4686P01000003M ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 25: ...25 715G4919P0G0000040 ...
Page 26: ...26 ...
Page 27: ...27 ...
Page 28: ...28 6 4 LED Board 715G4684T01001004S 6 5 Key Board 715G4682K01000004S ...
Page 29: ...29 6 6 IR Board 715G4781R02000005F ...
Page 68: ...68 9 5 Key Board 715G4682K01000004S ...
Page 70: ...70 10 Exploded View ...