Magnavox 47MF439B Troubleshooting, More information on using assistive technology, Contact us

10 Troubleshooting

Problem	Possible cause and solution
No power or	The TV is not connected to the power.
indicator light.	Press at the side of the TV or on the remote
	control.
	Ensure that the power cord is connected tightly to
	the TV power connector and to the power socket
	outlet.
	Remove the power cord from the power socket
	outlet, wait 60 seconds and reconnect the power
	cord.
	Connect the TV to a different power socket outlet.
Error message	HDCP authentication fail.
on the screen	Ensure that your HDMI cable is certified.
with HDMI	Press SOURCE on the remote control to switch to
connection.	another source and then switch back to the HDMI
	source.
	Reset the accessory device and the TV.
	Turn on the TV.
	Select the HDMI channel.
	Turn on the accessory device.
	While the TV and the accessory device are powered
	on, unplug either end of the HDMI cable and then
	reinsert the cable.
No sound is	An incorrect HDMI port is connected or an audio
detected from	cable is not connected.
the PC.	Connect a DVI-HDM cable to the HDMI 3 port on
	the TV.
	Connect an audio cable to the DVI AUDIO IN port
	on the TV.
	Press SOURCE on the remote control, and select
	the HDMI 3 source.
TV does not	Batteries are installed incorrectly, or low battery
respond to the	power.
remote control.	Ensure the indicator light on the TV blinks when you
	press the remote control buttons.
	Ensure that you use the TV remote control.
	Ensure that the batteries are inserted correctly and
	do not need to be replaced.
	Remove the power cord from the power socket
	outlet, wait 60 seconds and reconnect the power
	cord.
The picture	Broadcast video format.
is distorted,	Press FORMAT on the remote control to select the
stretched out, or	best picture format.
has black bars	For some accessory devices, the picture format must
on the side or	be set in the accessory device.
top.
The picture is	Insecure/incorrect connection.
mostly red and	Ensure all the connections are made according to
green, or the	the color code.
picture misses	Push the component cables all the way into the
red when	YPbPr sockets on the TV.
connected to an
accessory device
via component
cables.

No sound	Volume level is set to zero - increase the volume
on the TV	Sound is muted - press MUTE on the remote
loudspeaker.	control.
	Headphones are connected - ensure that
	headphones are not plugged into the TV.
	Audio cable is not connected - for AV connection,
	ensure that the Audio L/R cable is connected as
	described in CD-CnDev-CnDev-HeadInt (Connect
	your devices) (see ‘Connect your devices’ on page
	25). If you use a component cable, ensure that you
	have not crossed the red audio cable with the red
	video cable.
	Audio output setting for the accessory device is
	incorrect. For HDMI connections, some accessory
	devices have an HDMI audio output setting that
	must be turned on for HDMI to HDMI connections.
Bad picture	Standard definition channels are not as clear as
quality with	high definition channels - connect the devices via
a coaxial	component or HDMI cables.
connection.
No picture or	No picture or sound - ensure you have selected the
sound.	correct channel.
	Incomplete channel installation
	If the TV receives channels via an AV connection, set
	the TV to the correct source input.
	If the TV is connected directly to the wall via a
	coaxial connection, perform the auto-installation
	again.

More information on using assistive technology

For additional information about using assistive technology to browse the manual, please refer to your assistive or accessibility software’s documentation.

Contact us

If you cannot resolve your problem, refer to the FAQ for this TV at www.magnavox.com/support.

If the problem remains unresolved, contact the Customer Support Center in your country.

Warning

•Do not attempt to repair the TV yourself.This may cause severe injury, irreparable damage to your TV or void your warranty.

Note

•Please have available your TV model and serial number before contacting us.These numbers are available on the back and side of your TV, as well as on the packaging.

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