Panasonic TH-80LFB70U Operating Instructions Manual

Also see for TH-50LFB70E: Operating instructions Operating instructions

Contents

Panasonic TH-80LFB70U Operating Instructions Manual Manual pdf 83 page image

81Symptoms ChecksThe LAN is uncontrollable* Check whether the connection has been made properly.Check whether “Control I/F Select” is “DIGITAL LINK/LAN” when controllingwith the WEB browser control or the command control.Check whether “LAN Setup” has been congured properly.When connecting to a device of AMX, Crestron Electronics, Inc., or Extron, set“AMX D.D.”, “Crestron Connected™”, or “Extron XTP” according to the deviceto use.See the “Signal quality” information of “DIGITAL LINK status” to check the LANcable status such as whether the LAN cable is disconnected or the cable isnot shielded.There is no picture displayed or sound output fromthe DIGITAL LINK terminal.*Check whether the connection has been made properly between the video(output) equipment and twisted pair cable transmitter and between the twistedpair cable transmitter and this product.Check that “DIGITAL LINK mode” is not set to “LAN”.Sending e-mail fails.* Check whether the e-mail setting of Web browser is correct.Power indicator is blinking in red. There is possibility of malfunction. Please contact an Authorized ServiceCenter.This LCD Display uses special image processing. Hence a slight time lag may occur between image and audio, depending on the typeof input signal. However, this is not a malfunction.* For the network, DIGITAL LINK and E-mail setup, please refer to the “ Network Operations ” of the Operating Instructions.TroubleshootingLCD Display panelSymptoms CheckThe screen darkens slightlywhen bright pictures with minimalmovements are shown.The screen will darken slightly when photos, still images of a computer or other pictures with minimalmovements are shown for an extended period. This is done to reduce image retention on the screenand the shortening of the screen’s service life: It is normal and not indicative of malfunctioning.It takes a while for the pictureto appear.The unit digitally processes the various signals in order to reproduce esthetically pleasing images. Assuch, it sometimes takes a few moments for the picture to appear when the power has been turnedon, when the input has been switched.The edges of the images icker. Due to the characteristics of the system used to drive the panel, the edges may appear to icker inthe fast-moving parts of the images: This is normal and not indicative of malfunctioning.There may be red spots, bluespots, green spots and blackspots on the screen.This is a characteristic of liquid crystal panels and is not a problem. The liquid crystal panel is builtwith very high precision technology giving you ne picture details. Occasionally, a few non-activepixels may appear on the screen as xed points of red, blue, green, or black. Please note this doesnot affect the performance of your LCD.Image retention appearsImage retention may occur. If you display a still picture for an extended period, the image might remainon the screen. However, it will disappear after a while. This is not considered as malfunction.