Panasonic TX-49ESR500 Service Manual

TX-49ESR500166 Troubleshooting GuideUse the self-check function to test the unit.1. Checking the IIC bus lines2. Power LED Blinking timing6.1. Check of the IIC bus lines6.1.1. How to access6.1.1.1. Self-check indication only:Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [BLUE] button on the remotecontrol for more than 3 seconds.6.1.1.2. Self-check indication and forced to factory shipment setting:Caution:New key will be generated and previous TV programmes recorded in USB HDD will not be viewed. (See USB HDDRecording)Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remotecontrol for more than 3 seconds.6.1.2. Screen displayExample:6.1.3. Check PointConfirm the following parts if NG was displayed.6.1.4. ExitDisconnect the AC cord from wall outlet or press the [POWER] button on the main unit for 3 seconds to turn off and then turn onautomatically.DISPLAY Check Ref. No. Description Check PointH14TUN TU6708 TUNER A-BOARDH07TEMP IC5911 TEMP SENSOR A-BOARDH17LAN IC8000 ETHERNET A-BOARD/LANH00FE IC6800 DEMODULATOR A-BOARDH00SAT-TU IC6802 DEMODULATOR A-BOARDH96ID ID A-BOARDH97ID2 ID2 A-BOARDH42WiFi WiFi A-BOARD/WiFiH71TCON TCON LCD PANEL