Sony NPA-MQZ1K Multi Battery Adapter Kit - Manual (Page 134)

The TV does not turn on.
Perform the procedures in the order below until the problem is solved.
1. Check if the TV turns on with the remote control.
Point the remote control at the sensor on the front of the TV and press the power button
on the remote control.
Check if the TV turns on.
If the TV does not turn on, try resetting (restarting) the TV.
If a full reset (restart) of the TV is required
2. Check if the TV turns on with the power button on the TV.
Press the power button on the TV and check if the TV turns on.
For the location of the power button, refer to the Reference Guide/Setup Guide.
If the TV turns on with this procedure, there may be a problem with the remote control.
Refer to the following topic.
The remote control does not operate.
3. Unplug the AC power cord (mains lead).
Unplug the TV power cord (mains lead) from the electrical outlet. Then press the power
button on the TV and wait for 2 minutes, and plug the power cord (mains lead) back into
the electrical outlet.
Hint
When you unplug the TV and plug it in again, the TV may not be able to turn on for a
while, even if you press the power button on the remote control or TV. This is
because it takes time to initialize the system. Wait for about 10 to 20 seconds, then
try again.
Related topics
The remote control does not operate.