Samsung HT-BD1255 Service Manual page 4

Contents
6. PCB Diagram
6-1 Wiring Diagram ................................................................................................ 6-2
6-2 FRONT PCB Top .............................................................................................. 6-3
6-3 FRONT PCB Bottom ........................................................................................6-5
6-4 KEY PCB Top ...................................................................................................6-6
6-5 KEY PCB Bottom ............................................................................................. 6-8
6-6 AMP PCB Top .................................................................................................. 6-9
6-7 AMP PCB Bottom ............................................................................................. 6-11
6-8 MAIN PCB Top ................................................................................................. 6-13
6-9 MAIN PCB Bottom ........................................................................................... 6-16
6-10 SMPS PCB Top ................................................................................................ 6-18
6-11 SMPS PCB Bottom .......................................................................................... 6-19
7. Schematic Diagram
7-1 Overall Block Diagram .....................................................................................7-2
7-2 FRONT .............................................................................................................7-3
7-3 KEY ..................................................................................................................7-4
7-4 AMP .................................................................................................................7-5
7-5 AUDIO / VIDEO (COMPONENT, COMPOSITE) ..............................................7-6
7-6 HDMI CEC / TX (SIL9134) ...............................................................................7-7
7-7 Boot Strap Option............................................................................................. 7-8
7-8 EBI ADDR, EBI DATA .......................................................................................7-9
7-9 CLOCK, BBS....................................................................................................7-10
7-10 BCM7440 POWER........................................................................................... 7-11
7-11 DDR2 BANK0, BANK1 .....................................................................................7-12
7-12 SYSTEM MICOM / TUNER / SRC / WIRELESS .............................................7-13
7-13 EXTERNAL IN & AUDIO FLOW .......................................................................7-14
7-14 Ethernet, S-ATA, USB ......................................................................................7-15
7-15 GPIO / IPOD / BT ............................................................................................. 7-16
7-16 NAND, FlexOneNand .......................................................................................7-17
7-17 MAIN POWER..................................................................................................7-18
7-18 DSP SDRAM / FLASH .....................................................................................7-19
7-19 BCM7620 (F/E) ................................................................................................ 7-20
7-20 SMPS (110V) ...................................................................................................7-21
7-21 SMPS (220V) ................................................................................................... 7-22