Sony BRAVIA KDS-50A3000 Operating Instructions Manual page 24

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Speaker
Outputs the audio signal.
[] TIMER LED Lights up in orange when the timer is set. This LED will remain lit even if the TV is
turned off. For details, see page 32.
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LAMP LED
The projection lamp has burned out. Replace it with a new one (see page 44).
[] POWER LED Lights up in green when the TV is turned on. Also lights up in red during the diagnostics.
[] (IR)
Infrared Receives IR signals from the remote control.
Receiver
Do not place anything near the sensor, as its fimction may be affected.
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