VIANO LED40FHD - Troubleshooting

No power (Indicator light
is not bright).
The fuse & circuit breaker
at home are not in the
normal working.
The power socket is not
turned on.
Poor contact of power
supply lines.
The power switch of TV is
not turned on.
Check The fuse & circuit
breaker.
Turn on the power.
Check the power supply
lines.
Turn on the power switch
of TV.
TV can't turn on
（Indicator light is red）
Press the Power key on
the unit.
Turn on the Power key on
the unit.
Normal picture,No sound.
External input devices
loose.