217 Troubleshooting GuideUse the self-check function to test the unit.1. Checking the IIC bus lines2. Power LED Blinking timing7.1. Check of the IIC bus lines7.1.1. How to access7.1.1.1. Self-check indication only:Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote controlfor more than 3 seconds.7.1.1.2. Self-check indication and forced to factory shipment setting:Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote con-trol for more than 3 seconds.7.1.2. ExitDisconnect the AC cord from wall outlet.7.1.3. Screen display7.1.4. Check PointConfirm the following parts if NG was displayed.DISPLAY Check Ref. No. Description Check P.C.B.PEAKS IC8000 PEAKS-LDA3 A-BoardTUN TU4801 TUNER A-BoardAVSW IC3001 AUDIO/VIDEO SW A-BoardSTBY IC8000 PEAKS-LDA3 (STM) A-BoardMEM1 IC8902 PEAKS EEPROM A-BoardMEM2 IC8901 STM EEPROM A-BoardTEMP IC3753 TEMP SENSOR A-BoardiPOD-CP IC3900 iPOD-CP A-BoardID A-BoardLP1 IC9300 LP1 A-BoardLP1-2 IC9500 LP1-2 A-BoardHDMI-SW IC4700 HDMI SW A-BoardIRDRV IC5901 IR LED DRIVER A-Board