BrightSign HD1010 Hardware - Manual (Page 2)

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Table of Contents
OVERVIEW ..................................................................................................................................... 3
P ORTS .......................................................................................................................................... 5
P OWER C ONNECTOR ..................................................................................................................... 5
DB9 RS232 CONNECTOR .............................................................................................................. 5
DB15 S WITCH /LED CONNECTOR ................................................................................................... 6
E THERNET .................................................................................................................................... 9
USB ............................................................................................................................................. 9
DB15 VGA CONNECTOR ................................................................................................................ 9
T RIPLE RCA C OMPONENT HD VIDEO CONNECTOR .......................................................................... 9
1/8” A UDIO CONNECTORS ............................................................................................................ 10
HDMI CONNECTOR ...................................................................................................................... 10
5V S ERIAL CONNECTOR ............................................................................................................... 10
POWER USAGE ........................................................................................................................... 11
ENVIRONMENTAL ....................................................................................................................... 11
MECHANICAL............................................................................................................................... 12
THEORY OF OPERATION ........................................................................................................... 13
P OWER S UPPLY .......................................................................................................................... 13
R ESET ........................................................................................................................................ 13
PNX8935 CPU........................................................................................................................... 13
B UILT IN F LASH ............................................................................................................................ 13
SDRAM ..................................................................................................................................... 13
S ERIAL P ORT .............................................................................................................................. 13
V IDEO E NCODER AND F ILTER ....................................................................................................... 13
HDMI ENCODER .......................................................................................................................... 14
A UDIO OUTPUTS .......................................................................................................................... 14
O N B OARD LED S ........................................................................................................................ 14
O N B OARD S WITCH ..................................................................................................................... 14
R ESET SWITCH /GPIO BUTTON : .................................................................................................... 14
SDHC & SD F LASH S LOT ............................................................................................................ 14
NAND FLASH .............................................................................................................................. 15
E THERNET .................................................................................................................................. 15
USB ........................................................................................................................................... 15
APPENDIX A................................................................................................................................. 16
FLOW CHART: (FOR REPAIR CENTER USE) ........................................................................... 16
(1) P OWER S TART ....................................................................................................................... 16
(2) P OWER LED COMES ON , NO SERIAL PORT OUTPUT ................................................................... 17
GENERAL TROUBLESHOOTING NOTES:................................................................................. 19
1) •VTT (1.25V) SHOULD BE HALF OF VDD (2.5V) .................................................................... 19