Troubleshooting; Power; Audio; Tuner - Onkyo T-4070 Instruction Manual

Troubleshooting

If you have any trouble using the tuner, look for a
solution in this section.
If you can't resolve the issue yourself, try resetting
the tuner before contacting your Onkyo dealer.
To reset the tuner to its factory defaults, turn it
on and, while holding down the [TUNING
MODE] button, press the [ O N/STANDBY]
button.
Note that resetting the tuner will delete your radio
presets and custom settings.

Power

Can't turn on the tuner
• Make sure that the power cord is plugged into the
electric outlet properly.
• Unplug the power cord from the electric outlet, wait 5
seconds or more, then plug it in again.

Audio

There's no sound or it's very quiet
• Make sure that all audio connecting plugs are pushed
in all the way ( page 12-15).

• Make sure that the inputs and outputs of all
components are connected properly.
• Make sure that the correct input source is selected.
Noise can be heard
• Using cable ties to bundle audio cables with power
cords, speaker cables, and so on may degrade the
audio performance; do not bundle audio cables
together with power cords or speaker cables.
• An audio cable may be picking up interference. Try
repositioning your cables.

Tuner

Reception is noisy, stereo FM reception suffers
from hiss, or the FM STEREO indicator doesn't
appear
• Relocate your antenna.
• Move the tuner away from your TV or computer.
• Listen to the station in mono (
• When listening to an AM station, operating the remote
controller may cause noise.
• Passing cars and airplanes can cause interference.
• Concrete walls weaken radio signals.
• If nothing improves the reception, install an outdoor
antenna.

Remote Controller

page 16).

The remote controller doesn't work
• Make sure that the batteries are installed with the
correct polarity ( page 6).

• Install new batteries. Don't mix different types of
batteries or old and new batteries (
• Make sure that the remote controller is not too far
away from the receiver, and that there's no obstruction
between the remote controller and the receiver's
remote control sensor (

• Make sure that the receiver is not subjected to direct
sunshine or inverter-type florescent lights. Relocate if
necessary.

Music Server and Internet Radio

Can't access the server or Internet radio
• Check the network connection between the tuner and
your router or switch.
• Make sure that your modem and router are properly
connected, and make sure they are both turned on.
• Make sure the server is up and running and compatible
with the tuner.
• Check the "Network Setup".
Playback stops while listening to music files on
the server
• Make sure your server is compatible with the tuner.
• If you download or copy large files on your computer,
playback may be interrupted. Try closing any unused
programs, use a more powerful computer, or use a
dedicated server.
• If the server is serving large music files to several
networked devices simultaneously, the network may
become overloaded and playback may be interrupted.
Reduce the number of playback devices on the
network, upgrade your network, or use a switch
instead of a hub.
Can't connect to the tuner from a Web browser
• If you're using DHCP, your router may not always
allocate the same IP address to the tuner, so if you find
that you can't connect to a server or Internet radio
station, recheck the tuner's IP address.
• Check the "Network Setup".

AirPlay

No sound can be heard during AirPlay playback.
• Click the AirPlay icon to disconnect iTunes or your
iPad/iPhone/iPod touch, then reconnect it.
• Turn off the power to the tuner, then turn it on.
• Reset the tuner ( page 37).

• Restart iTunes or your iPad/iPhone/iPod touch.
page 6).

page 6).
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