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Troubleshooting
If you have any trouble using the TUN-3.7, look for a solution in this section.
If you can't resolve the issue yourself, try resetting the TUN-3.7 before contacting your Integra/Onkyo dealer.
To reset the TUN-3.7 to its factory defaults, turn it on and, while holding down the
[Memory] button, press the [Standby/On] button. "Clear" will appear on the dis-
play and the TUN-3.7 will enter Standby mode.
Note that resetting the TUN-3.7 will delete your radio presets and custom settings.
Power
Can't turn on the TUN-3.7.
• Make sure that the power cord is properly plugged into the wall outlet (see page 19). And also, make sure that the
other end of the power cord is properly connected to the TUN-3.7's AC INLET (see page 6).
• Unplug the power cord from the wall outlet, wait 5 seconds or more, then plug it in again.
Audio
There's no sound.
• Make sure your amplifier's volume control is not set to minimum.
• Check all connections and correct as necessary (see pages 14 to 18).
Tuner
Reception is noisy, stereo FM reception suffers from hiss, or the STEREO indicator doesn't light up when tuned
to a stereo FM station.
• Check the antenna connections (see page 14).
• Change the position of the antenna (see page 20).
• Move the TUN-3.7 away from a nearby TV or computer.
• Cars or airplanes can cause noisy interference.
• The radio signal will be weakened if it has to pass through a concrete wall before reaching the antenna.
• Try selecting Manual Tuning mode (see page 19).
• Move power cords and speaker cables as far away as possible from the antenna.
• When listening to an AM station, noise may be heard when you operate the remote controller.
• If none of the above improves the reception, install an outdoor antenna (see page 15).
If a power outage occurs or the power cable is disconnected:
• If the preset stations are lost, preset them again (see page 27).
Can't adjust the frequency of the radio.
• Use the Tuning/CH [
]/[
RDS doesn't work.
• Your Tuner board doesn't support HD Radio reception.
• The FM station you are tuned to doesn't support RDS.
• Install an outdoor FM antenna (see page 15).
• Change the position or direction of your outdoor FM antenna (see page 15).
• Move the FM antenna as far away as possible from fluorescent lights (see page 15).
] buttons to change the frequency of the radio (see page 19).
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