30
4. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 12 V?
Replace the Panel
No display (LED white)
Replace the main board
Check the backlight is
“On”?
Check the LVDS cable
Reinsert or replace the
LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Power board output =24 V
?
Check TV is under control and power
on/off by remote control and power key?
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 ...