What does unlock mean on a Sony receiver?

When the UNLOCK error message appears in the display of the A/V receiver, there is either a problem receiving a digital audio signal or the system is tuned to receive a digital audio signal but there is no digital audio source available. Follow these steps to troubleshoot when there is a digital source connected.

How do I unlock my Sony surround sound?

Press and hold the STOP button for approximately 5 seconds or until CHILD LOCK and ON appears on the front display panel. To deactivate (or cancel) the feature: Press and hold the STOP button for approximately 5 seconds or until CHILD LOCK and OFF appears on the front display panel.

How do I restore my Sony receiver to factory settings?

Initialize or Reset My Audio/Video (A/V) Receiver to Factory Default Settings

  1. Press the POWER button to power off the receiver.
  2. Press and hold down the POWER button.
  3. Wait approximately 5 seconds and then release the POWER button.

Why does my Sony receiver go into protect mode?

If the impedance of any of the speakers is below the rated impedance range indicated on the rear of the home audio device next to the speaker connections, the home audio device may enter the PROTECT mode. Raising the volume with a low impedance speaker will trigger the protection circuit.

What does PCM mean on my stereo receiver?

Pulse-Code Modulation
Pulse-Code Modulation (PCM) and the Dolby Digital® technology refer to different types of digital audio recordings. PCM is the conventional method for converting analog audio into digital audio. The PCM audio recorded on DVD is a two-channel digital, stereo audio track.

Why does my Sony sound bar say locked?

You can activate the CHILD LOCK function by pressing the STOP button for more than 5 seconds. The key symbol will light up in the front panel display. To cancel, press the STOP button for more than 5 seconds so that the key symbol disappears from the front panel display.

How do I reset my Sony surround sound without a remote?

  1. Unplug and plug back in the power cord, then turn on the system.
  2. At the same time, press and hold the STOP and Folder – (minus) buttons until RESET appears on the display window.

Why does my stereo go into protect mode?

Your stereo receiver is going into protection mode because the receiver has an internal short, a speaker is bad or the speaker wiring has a problem, such as incorrect wire gauge or bad connections.

Is there a reset button on a Sony receiver?

Press and hold down the MUTING and MUSIC buttons. While holding down the MUTING and MUSIC buttons, press and release the POWER button to turn the A/V receiver on. Wait approximately 5 seconds and then release the MUTING and MUSIC buttons.

What does s protection mean?

If what appears spells “S-PROTEC” it means the unit has shut down in order to prevent damages to the amplifier component. Issue. Amplifier protection arises the moment the device detects potential harm to this very important circuitry component from a voltage fluctuation.

How do you Unchild a lock on a Sony speaker?

Press the UP ARROW or DOWN ARROW repeatedly until CHILD LOCK appears in the front panel display. Press either the +(Enter) or the RIGHT ARROW button. Press the UP ARROW or DOWN ARROW to select a setting. OFF: the CHILD LOCK function is off.

How do I turn off child lock?

A child safety lock is on the rear edge of each rear door. You must set the child safety lock separately on each door. Turn the key clockwise to switch the child lock on and counter clockwise to switch it off. Turn the key counter clockwise to switch the child lock on and clockwise to switch it off.

How do I reset my Sony surround sound system?

Resetting the system

  1. Disconnect the power cord and confirm that the STANDBY indicator is not lit. Then reconnect the power cord and turn on the system.
  2. At the same time, press and hold the FUNCTION and ON/Standby buttons until RESET appears on the display window.

Why does my Sony receiver keep going into protection mode?

How do I reset my Sony push power protector?

To reset the internal surge protection circuit unplug the AC power cord from the wall for at least 30 minutes. Ensure the top of the home audio device has proper ventilation to keep it from overheating. Running the home audio device in a poorly ventilated cabinet can trigger the protection circuit.

How do I reset my stereo receiver?