Panasonic TX-PF42G30 Service Manual

Also see for TX-P42G30E: Operating instructions Operating instructions

Panasonic TX-PF42G30 Service Manual Manual pdf 17 page image

177 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:Caution:New key will be generated and previous TV programmes recorded in USB HDD will not be viewed. (See Chap.5)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. Screen display7.1.3. Check PointConfirm the following parts if NG was displayed.7.1.4. ExitDisconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.DISPLAY Check Ref. No. Description Check P.C.B.TUN TU4801 TUNER A-BOARDSTBY IC8000 PEAKS-LDA3 (STM) A-BOARDMEM1 IC8902 PEAKS EEPROM A-BOARDMEM2 IC8901 STM EEPROM A-BOARDAVSW IC3001 AUDIO/VIDEO SW A-BOARDTEMP IC2001 TEMP SENSOR A-BOARDLAN IC8601 ETHERPHY A-BOARDID A-BOARDID2 A-BOARDLP1 IC9300 LP1 A-BOARDHDMI-SW IC4700 HDMI SW A-BOARD