2-1SECTION 2ELECTRICAL CONTENTSCONTENTSIC BLOCK DIAGRAMS & PIN DESCRIPTION .......................................................................................... 2-2DIAGRAM.................................................................................................................................................... 2-311. BLOCK DIAGRAM ................................................................................................................................ 2-282. WIRING DIAGRAM .............................................................................................................................. 2-343. SCHEMATIC DIAGRAM ...................................................................................................................... 2-36• FRONT PART ............................................................................................................................. 2-36• POWER PART............................................................................................................................ 2-38• MCU PART................................................................................................................................. 2 -40• DSP&CODEC WITH DIR PART................................................................................................... 2-42• INPUT&VOLUME PART....................................................................................................................... 2-44• XM&TUNER PART..................................................................................................................... 2-46• HDMI SW PART.................................................................................................................................. 2-48• VIDEO PART................................................................................................................................... 2-50• VIDEO ENCODER PART.............................................................................................................. 2-52• AMP PART.................................................................................................................................. 2-544. PRINTED CIRCUIT BOARDS ............................................................................................................. 2-58• FRONT ....................................................................................................................................... 2-58• MAIN............................................................................................................................................ 2-62• INPUT........................................................................................................................................... 2-64• VIDEO ......................................................................................................................................... 2-68• HDMI............................................................................................................................................... 2-70• AMP.................................................................................................................................................... 2-725. TROUBLESHOOTING .......................................................................................................................... 2-76