TX-8220 - Troubleshooting: Audio
Problems may be solved by simply turning the power on/off or disconnecting/connecting the power cord, which is easier than working on the connection, setting and operating procedure. Try the simple measures on both the unit and the connected device. If the problem isn't fixed after referring to "Troubleshooting", resetting the unit to the status at the time of shipment may solve the problem. Note that your settings will also be initialized when you reset, so we recommend that you note down your settings before doing the following.
- This unit contains a microPC for signal processing and control functions. In very rare situations, severe interference, noise from an external source, or static electricity may cause it to lockup. In the unlikely event that this happens, unplug the power cord from the wall outlet, wait at least 5 seconds, and then plug it back in.
- We are not responsible for reparations for damages (such as CD rental fees) due to unsuccessful recordings caused by the unit’s malfunction. Before you record important data, make sure that the material will be recorded correctly.
If operation becomes unstable
- Try unplugging the power cord of the unit and connected devices, and then plugging them in again.
Resetting the unit (this resets the unit settings to the default)
If the issue is not fixed by unplugging the power cord, resetting the unit to the status at the time of shipment may solve the problem. Your settings will also be initialized when you reset, so note down your settings before doing the following.
- While holding down SPEAKER A/B on the main unit, press ON/STANDBY.
- The unit switches to standby and the settings are reset.
Before you start...
- Confirm that the connection between the output jack on the device and the input jack on this unit is correct.
- Make sure that none of the connecting cables are bent, twisted, or damaged.
- If the MUTING indicator on the display flashes, press MUTING on the remote controller to cancel muting.
- While headphones are connected to the PHONES jack, no sound is output from the speakers.
No sound from an other connected external device
- Change the input selector on this unit to the position of the terminal to which the other external device is connected.
- Check the digital audio output setting on the connected component. On some game consoles, such as those that support DVD, the default setting is off.
- Only PCM audio is supported for input through the DIGITAL IN OPTICAL/COAXIAL jacks. Set the audio output on the other external device to output PCM.
A speaker produces no sound
- Make sure that the polarity of the speaker cables (+/–) is correct, and that no bare wires are in contact with the metal part of speaker terminals.
- Make sure that the speaker cables have not shorted.
- Make sure the speakers are connected correctly.
Noise can be heard
- Using cable ties to bundle analog audio cables, power cord, speaker cables, etc. may degrade the audio performance. Do not bundle cords.
- An audio cable may be picking up interference. Try repositioning your cables.
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