Panasonic TH42PX20U 50" Hdtv Plasma Display - Page 69
Troubleshooting Chart
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Troubleshooting Chart Before calling for service, determine the symptoms and follow suggested solutions. VIDEO VIDEO Symptoms Symptoms AUDIO AUDIO SSoolluuttiioonnss Snowy Video Noisy Audio Adjust Antenna Location and Connection Multiple Image Interference Normal Video No Video with Snow No Video / No PIP No Color Noisy Audio Noisy Audio No Audio Noisy Audio No Audio Normal Audio Adjust Antenna Location and Connection Check Antenna Lead-in Wire Move Television away from Electrical Appliances, Lights, Vehicles and Medical Equipment Increase Volume Check Mute Check Television SPEAKERS on/off Change Channel Set TV or Cable Mode Properly Check Antenna Cables Check Power Cord is Plugged into Active Outlet Adjust Brightness and Audio Controls Change Channel Check Cable Connections Program the Remote Control Again Check Second Video Source Operation Adjust Color Settings Change Channel Normal Video Wrong Audio Check Audio Is Set To Stereo or Mono, Not SAP Black Box on Screen Normal Audio Change CC (Closed Captioning) from Text Mode Normal Video Normal Audio Intermittent Remote Control Operation Replace Remote Control Batteries Plasma Display panel Symptoms Some parts of the screen do not light up. Check The plasma display panel is manufactured using an extremely high level of precision technology, however, sometimes some parts of the screen may be missing picture elements or have luminous spots. This is not a malfunction. After-images appear Do not allow a still picture to be displayed for an extended period, as this can cause a permanent after-image to remain on the Plasma TV. Examples of still pictures include logos, video games, computer images, teletext and images displayed in 4:3 mode. Note: The permanent after-image on the Plasma TV resulting from fixed image use is not an operating defect and as such is not covered by the Warranty. This product is not designed to display fixed images for extended periods of time. Whirring sounds can be heard The display unit is fitted with a cooling fan to dissipate heat generated during normal from the display unit. use. The whirring sound is caused by rotation of the fan and is not a malfunction. 69