CONTENTSSAFETY PRECAUTIONS ........................................... 3GENERAL QUIDE LINES...................................... 3TOUCH – CURRENT CHECK............................... 3PREVENTION OF ELECTROSTATIC DISCHARGE(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)DEVICES .................................................................... 4ABOUT LEAD FREE SOLDER (PBF)......................... 5SUGGESTED PB FREE SOLDER........................ 5SERVICE HINTS ........................................................ 6CHASSIS BOARD LAYOUT ....................................... 7SETTING INSPECTION.............................................. 7SELF-CHECK ............................................................. 8ADJUSTMENT METHOD ........................................... 9BLOCK DIAGRAMS.................................................. 10PARTS LOCATION................................................... 13REPLACEMENT PARTS LIST.................................. 14SCHEMATIC DIAGRAMS......................................... 25A-BOARD - 3,3V SUPPLY .................................. 26A-BOARD - 3,3V HDMI SUPPLY ........................ 26A-BOARD - 5V SUPPLY ..................................... 27A-BOARD - 33V SUPPLY ................................... 27A-BOARD - 12V SUPPLY ................................... 28A-BOARD - 8V SUPPLY ..................................... 28A-BOARD - STBY 3,3V SUPPLY ........................ 29A-BOARD - STBY 1,8V SUPPLY ........................ 29A-BOARD - PSU CONNECTION ........................ 30A-BOARD - AV1 .................................................. 31A-BOARD - AV2 .................................................. 31A-BOARD - AV3 .................................................. 32A-BOARD - YUV.................................................. 32A-BOARD - VIDEO SWITCH............................... 33A-BOARD - QLINK .............................................. 33A-BOARD - HDMI_CEC ...................................... 34A-BOARD - LCD PANEL CONNECTOR, PANEL 5VSUPPLY .............................................................. 34A-BOARD - TUNER CONNECTION.................... 35A-BOARD - AUDIO AMPLIFIER.......................... 36A-BOARD - AUDIO MATRIX ............................... 37A-BOARD - HDMI AUDIO DAC ........................... 38A-BOARD - HEADPHONE AMPLIFIER .............. 39A-BOARD - KEYSCAN........................................ 40A-BOARD - SERVICE ......................................... 40A-BOARD - IR LED ............................................. 41A-BOARD - PROTECTION ................................. 41A-BOARD - LEVEL SHIFTER ............................. 42A-BOARD - IRD PROTECTION .......................... 42A-BOARD - EAROM............................................ 43A-BOARD - INVERTER....................................... 43A-BOARD - BACKLIGHT..................................... 44A-BOARD - VCT69P ........................................... 45A-BOARD - HDMI................................................ 46H-BOARD ............................................................ 47B-BOARD ............................................................ 48V-BOARD ............................................................ 49K-BOARD ............................................................ 50P-BOARD ............................................................ 51KEY CONTROL................................................... 52CONDUCTOR VIEWS .............................................. 532