Troubleshooting ChartBefore you call for service, determine the symptoms and make a few simple checks shown below.Symptoms CheckPicture Sound%SNOWY PICTURE,yIMULTIPLE IMAGEINTERFERENCETNORMAL PICTURE.'':."- ":"'i"NO VIDEONO PICTURE-ZNO COLORBLUE PICTUREIIBLACK BOX INPICTURE\NOISY SOUND<,NORMAL SOUND\NOISY SOUNDXNO SOUNDNOISY SOUNDXNO SOUND<,NORMAL SOUNDXNO SOUND\SOUND- ANTENNA LOCATION AND/OR CONNECTION- ANTENNA DIRECTION AND/OR LOCATION- ANTENNA LEAD-IN WIRE- ELECTRICAL APPLIANCES, LIGHTS, CARS AND TRUCKS- DIATHERMY AND OTHER MEDICAL EQUIPMENT- VOLUMECONTROLSETI'ING- MUTE CONTROL(IFAPPLICABLE)- TRY ANOTHER CHANNEL- TVSPEAKERS(IFAPPLICABLE) IN THE OFF MODE"IV OR CABLE TUNING MODE SETTO PROPER SETTING- ANTENNA INPUT CORRECT (IF APPLICABLE)- CHECK THAT AC POWER LINE IS PLUGGED INTO AC OUTLET- BRIGHTNESS & AUDIO CONTROLS SET PROPERLY- TRY ANOTHER CHANNEL- COLOR CONTROL SETTINGS- TRY ANOTHER CHANNEL- RECEIVER IN VIDEO MODE WITH NO SIGNAL- CC (CLOSED CAPTION) IN TEXT MODE- SELECT CAPTION OFF MODE TO ELIMINATE BLACK BOXShould this unit turn ON momentarily and then turn OFF, or fail to operate, unplug the AC cord and contact yourAuthorized Servicer for repairs,Matsushita Consumer ElectronicsCompany, Division of MatsushitaElectric Corporation of AmericaOne Panasonic WaySecaucus, New Jersey 07094Matsushita Electric of Canada Limited5770 Ambler DriveMississauga, Ontario L4W 2T3Canada- 36-Panasonic Sales Company,Division of Matsushita Electricof Puerto Rico Inc. ("PSC")Ave. 65 de Infanteda, Km 9.5San Gabriel Industrial ParkCarolina, Puerto Rico 00985Tel. (809) 705-4300FAX. (809) 768-2910