BrightSign 4K242 User Manual
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HARDWARE MANUAL
4K242, 4K1042, 4K1142
BrightSign, LLC. 16780 Lark Ave., Suite B Los Gatos, CA 95032 | 408-852-9263 | www.brightsign.biz
TABLE OF CONTENTS
Overview ............................................................................................................................... 1
Block Diagram ......................................................................................................................................... 2
4K242 ...................................................................................................................................................... 3
4K1042 .................................................................................................................................................... 5
4K1142 .................................................................................................................................................... 7
Hardware Interfaces ............................................................................................................. 9
Power Connector .................................................................................................................................... 9
DE9 RS-232 Serial .................................................................................................................................. 9
DA15 GPIO ........................................................................................................................................... 10
RJ45 Ethernet ....................................................................................................................................... 12
USB ....................................................................................................................................................... 13
3.5mm Audio Connector ....................................................................................................................... 13
HDMI Output ......................................................................................................................................... 14
HDMI Input ............................................................................................................................................ 14
3.5mm IR Input/Output .......................................................................................................................... 15
SPDIF Out ............................................................................................................................................. 15
Wireless ................................................................................................................................................ 15
Environmental and Power Usage ..................................................................................... 16
Theory of Operation ........................................................................................................... 18
Power Supply ........................................................................................................................................ 18
Reset ..................................................................................................................................................... 18
BCM7444/7252 CPU ............................................................................................................................ 18
Built-in Flash ......................................................................................................................................... 18
SDRAM ................................................................................................................................................. 18
Serial Port ............................................................................................................................................. 19
Audio Outputs ....................................................................................................................................... 19
On-Board LEDs ..................................................................................................................................... 19
On-Board Switch ................................................................................................................................... 20
Reset Switch/GPIO Button .................................................................................................................... 20
SDHC/SDXC and MicroSD Slots .......................................................................................................... 21
NAND Flash .......................................................................................................................................... 21
Ethernet ................................................................................................................................................ 21
USB 2.0/3.0 ........................................................................................................................................... 21
Dimensions ......................................................................................................................... 22
Mounting Procedure .......................................................................................................... 23
BrightSign 4K242, 4K1042, 4K1142
OVERVIEW
The 4K series is a line of commercial-grade solid-state media players that can be used to decode images, audio, and
video (up to 3840x2160x60p) for digital-signage and kiosk applications. In addition to driving audio/video devices, these
players can be controlled with various networked and built-in interfaces.
This manual specifies the hardware interfaces and operational theory of the 4K series.
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
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Block Diagram
BrightSign 4K242, 4K1042, 4K1142
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
2
4K242
Front
• DA15 GPIO
• 3.5mm IR in/out
• 3.5mm audio out
Left
• GPIO service button
• GPIO reset button
Right
• SDHC/SDXC flash card slot
• Status/error LED (red)
• Update LED (yellow)
• Power LED (green)
BrightSign 4K242, 4K1042, 4K1142
• SD activity LED (green)
• MicroSD presence LED (green)
• Ethernet activity LED (green)
• WiFi activity LED (green)
• Server connection (green)
Back
• 12V Molex power connector
• HDMI out
• RJ45 Ethernet (POE)
Internal
• MicroSD slot
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
3
• SATA connector
• WiFi Module connector
BrightSign 4K242, 4K1042, 4K1142
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
4
4K1042
Front
• DE9 RS232 serial (male)
• DA15 GPIO
• 3.5mm IR in/out
• 3.5mm audio out
Left
• GPIO service button
• GPIO reset button
Right
• SDHC/SDXC flash card slot
• Status/error LED (red)
• Update LED (yellow)
BrightSign 4K242, 4K1042, 4K1142
• Power LED (green)
• SD activity LED (green)
• MicroSD presence LED (green)
• Ethernet activity LED (green)
• WiFi activity LED (green)
• Server connection (green)
Back
• 12V Molex power connector
• SPDIF out
• HDMI out
• USB 3.0
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
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