31
5. Sound problem
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 cable between the
speakers and main board is
OK?
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
No
Yes
No
Enter factory mode to do “Reset”
No
Содержание Vizio E422VA
Страница 8: ...8 ...
Страница 26: ...26 6 Remove the screws remarked in red to remove the bracket and the bezel 7 The Bezel ...
Страница 34: ...34 6 PCB Layout 6 1 Main Board 715G4365M0G000005K ...
Страница 35: ...35 ...
Страница 36: ...36 ...
Страница 37: ...37 ...
Страница 38: ...38 6 2Power Board 715G3829P02W30003S ...
Страница 39: ...39 ...
Страница 40: ...40 ...
Страница 41: ...41 715G3885P03W30003M ...
Страница 42: ...42 ...
Страница 43: ...43 ...
Страница 44: ...44 6 3 Key Board 715G4388K0E000004S 6 4IR Board 715G4400R0C000004M ...
Страница 53: ...53 8 Block Diagram ...
Страница 75: ...75 10 Exploded View ...