Polycom 52PFL7403D user manual Troubleshooting, EN-36

	10. Troubleshooting
ENGLISH
	Symptoms	Possible cause	What should you do
	No power or indicator light.	The TV is not connected to the power.	1. Press . POWER at the right side of the TV, or press . on the remote
			control.
			2. Ensure the power cord is connected tightly to the TV power connector and
			to the power socket outlet.
			3. Remove the power cord from the power socket outlet, wait 60 seconds and
FRANÇAISE			reconnect the power cord.
			3. Reset the accessory device and the TV.
			4. Connect the TV to a different power socket outlet.
	Error message on the screen with	HDCP authentication fail.	1. Ensure that your HDMI cable is certified.
	HDMI connection.		2. Press SOURCE on the remote control to switch to another source and
			then switch back to the HDMI source.
			• Turn on the TV
			• Select the HDMI channel
ESPAÑOL			• Turn on the accessory device
			4.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 detected from the PC.	Incorrect HDMI port is connected.	1. Connect a DVI-HDM cable to the HDMI 3 port on the TV.
		Audio cable is not connected.	2. Connect an audio cable to the DVI AUDIO IN port on the TV.
			3. Press SOURCE on the remote control, and select the HDMI 3 source.
	TV does not respond to the remote	Batteries are installed incorrectly, or low	1. Ensure the indicator light on the TV blinks when the remote control buttons
	control.	battery power.	are pressed.
			2. Ensure that you are using the remote control supplied with the TV.
			3. Ensure that the batteries of the remote control are inserted according to
			the illustration on the remote control and that the batteries do not need to be
			replaced.
			4. Remove the power cord from the power socket outlet, wait 60 seconds and
			reconnect the power cord.
	The picture is distorted. It is	Broadcast video format.	1. Press the FORMAT button on the remote control to select the best picture
	stretched out, has short, fat, black		format.
	bars on the side or top.		2. For some accessory devices, the picture format has to be set in the
			accessory device.
	The picture is mostly red and green,	Insecure/incorrect connection.	1. Ensure all the connections are made according to the color code.
	or the picture is missing red when		2. Push the component cables all the way into the YPbPr sockets on the TV.
	the TV is connected to an accessory
	device via component cables.
	No sound on the TV loudspeaker.	Volume level is set to zero.	1. Increase the volume.
		Sound is muted.	2. Press MUTE on the remote control.
		Headphones are connected.	3. Ensure the headphones are not plugged into the TV.
		Audio cable is not connected.	4. For AV connection, ensure that the Audio L/R cable is connected as
			described in Connect your devices on page 32.
			If you are using a component cable, ensure that you have not crossed the red
			audio cable with the red video cable.
		Accessory device audio output setting	5. For HDMI connections, some accessory devices have an HDMI audio output
		is incorrect.	setting that must be turned on for HDMI to HDMI connections.
	Bad picture quality with a coaxial	Standard definition channels are not as	1. Connect the devices via component or HDMI cables.
	connection.	clear as high definition channels.
	No picture or sound.	Incorrect channel	1. Ensure you have selected the correct channel.
		Incomplete channel installation.	1. If the TV receives channels via an AV connection, set the TV to the correct
			source input.
			2. If the TV is connected directly to the wall via a coaxial connection, perform
			the auto-installation again.
	Cannot control your TV and		1. Confirm that the connected devices are EasyLink compliant and are
	connected devices with one remote		connected to your TV via an HDMI cable. Not all brands of devices such as
	control.		DVD players use the same system as Philips EasyLink. Other brands might not
			work with Philips EasyLink.

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