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digitalview ALR-1920 Instructions Manual

Pc, hdmi, display port interface controller for tft panel
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CONTENTS
Page: 2. Introduction, How to Proceed, Usage Note, Disclaimer
It is essential that these instructions are read and understood before connecting or
powering up this controller.
Downloaded from
Elcodis.com
electronic components distributor
PC, HDMI, DISPLAY PORT INTERFACE CONTROLLER
Model: ALR-1920
Part number : 41727001X-3 or up
3. System design – Diagram of a suggested system
4. Assembly notes – Important information about system elements
6. Connection & Operation – How to use the controller
10. Connectors, pinouts & jumpers – Essential connection information
19. Controller dimensions
20. Application notes
22. Troubleshooting
23. Specifications
24. Appendix I – Mode Support Table
26. Appendix II – RS-232 control protocols
29. Appendix III – Mapping definition
31. Appendix IV – Auto Color Gain
32. Appendix V – DV remote control unit work for ALR-1920
33. Warranty, Caution & Limitation of Liability, Trademarks
34. Contact details
FOR TFT PANEL
INSTRUCTIONS

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Summary of Contents for digitalview ALR-1920

  • Page 1 26. Appendix II – RS-232 control protocols 29. Appendix III – Mapping definition 31. Appendix IV – Auto Color Gain 32. Appendix V – DV remote control unit work for ALR-1920 33. Warranty, Caution & Limitation of Liability, Trademarks 34. Contact details It is essential that these instructions are read and understood before connecting or powering up this controller.
  • Page 2 Introduction Designed for LCD monitor and other flat panel display applications, the ALR-1920 controller provides easy to use interface controller for: TFT (active matrix) LCDs with LVDS interface of 1920x1200, 1920x1080, 1680x1050, 1600x1200, 1400x1050, 1440x900, 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600, 800x600, 800x480, 640x480, 480x640...

  • Page 3: System Design

    SYSTEM DESIGN A typical LCD based display system utilising this controller is likely to comprise the following: Summary: LCD panel LCD controller card, ALR-1920 LVDS cable (for connection with LVDS panel) Inverter for backlight (if not built into LCD) Inverter cable...

  • Page 4: Assembly Notes

    ASSEMBLY NOTES This controller is designed for monitor and custom display projects using 1920 x 1200, 1920 x 1080, 1680x1050, 1600x1200, 1400x1050, 1440x900, 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600, 800x600, 800x480, 640x480, 480x640 resolution TFT panels with a VGA, SVGA, XGA, SXGA, UXGA, WUXGA signal input. The following provides some guidelines for installation and preparation of a finished display solution.
  • Page 5 16. Audio output (Stereo) with amplication from HDMI / Display Port : This port support Stereo audio output from the HDMI / Display Port audio source inputted. This port has the same audio path output from J1. It requires to select the audio port “Speakers”...

  • Page 6: Connection And Operation

    Power supply & Controller: Plug the DC 12V / 24V power in to the connector PP2. You can consider to use DigitalView mating power cable P/N 426013800-3, 160mm. Please read the jumper table in page 11-12 to define the correct settings. Otherwise it may break down the panel.
  • Page 7 LCD DISPLAY SYSTEM SETTINGS NOTE: By way of explanation the following refers to a set of sample buttons that may be obtained as an option. In addition to power on/off and connection for backlight brightness the controller provides an On Screen Display of certain functions which are controlled by 5 momentary type buttons (analog VR type) or 8 momentary type buttons (digital type): Controls Analog VR type...
  • Page 8 OSD Functions Image Increase/decrease brightness level. Brightness Press – or + (- + ) Total : 100 steps Increase/decrease contrast level. Contrast Press – or + (- + ) Total : 100 steps Sharpness Increase/decrease sharpness level. Press – or + (- + ) Total : 8 steps Color Auto : Auto RGB Calibration...
  • Page 9 Transparency : Set OSD transparency Press – or + (- + ) Total : 100 steps Reset : Load factory default settings. Press down on OSD keypad to factory reset [Firmware version : V1.01.00 or up] Items marked 4 have sub menus. Exit the OSD menu to save the setting chosen Page 9 of 34 Downloaded from...

  • Page 10: Connectors, Pinouts & Jumpers

    CONNECTORS, PINOUTS & JUMPERS The various connectors are: Summary: Connectors Purpose Description Audio output (Stereo) with amplication JST 4-way, S4B-ZR-SM4A (Mating type : ZHR-4) from HDMI / Display port (Matching connection cable P/N 426685400-3) Serial control Molex 53261-0671, 6 ways 1.25mm pitch (Mating type : Molex 51021-0600) (Matching connection cable P/N 426091300-3) CN11...
  • Page 11 Summary: Jumpers setting Purpose Note On board +5V logic power enable 1-3 & 2-4 closed, factory set, do not remove Panel power voltage select See panel voltage setting table 1 CAUTION: Incorrect setting will cause panel damage Panel power voltage select See panel voltage setting table 1 CAUTION: Incorrect setting will cause panel damage Backlight brightness voltage range...
  • Page 12 Input voltage via Panel Voltage Jumper on board 3.3V 3V3 closed 1-3 & 2-4 5V closed 1-3 & 2-4 24VDC** 12V closed 3-5 & 4-6 18V closed 3-5 & 4-6 ** Please make sure the backlight inverter must support 24V supply. Because CNA1 pin 1 and CNB1 pin 2 will output 24VDC if input 24VDC via PP2.
  • Page 13 1400x1050 Samsung LTM190M2-L31 1440x900 LG LM171WX3-TLA1 1440x900 LG LM171WX3 (Tested) 1440x900 CPT CLAA102NA0ACW 1024x600 Sharp LS037V7DW03 480x640 For additional and recent added panels, see ALR-1920 panel support table at http://www.digitalview.com/controllers/csg.php Page 13 of 34 Downloaded from Elcodis.com electronic components distributor...
  • Page 14 Please adjust to get the correct picture. See as Appendix III for details of mapping A and B. Reserved Reserved Reserved Reserved The most current list can be found the controller solution generator at http://www.digitalview.com/controllers/csg.php Page 14 of 34 Downloaded from Elcodis.com electronic components distributor...
  • Page 15 CN1 – Audio output (Stereo) with amplication from HDMI / Display port : JST 4-way, S4B-ZR-SM4A (Mating type : ZHR-4) SYMBOL DESCRIPTION AMP L- Audio Left channel (Negative) AMP L+ Audio Left channel (Positive) AMP R- Audio Right channel (Negative) AMP R+ Audio Right (Positive) CN8 –...
  • Page 16 J3 – LVDS output connector: JAE FI-RE51S-HF (Matching type : JAE FI-RE51HL) SYMBOL DESCRIPTION VDD (+12V/18V) Panel power supply (+12V / 18V) (selected by JA3 & JA6) VDD (+12V/18V) Panel power supply (+12V / 18V) (selected by JA3 & JA6) VDD (+12V/18V) Panel power supply (+12V / 18V) (selected by JA3 &...
  • Page 17 LED1 – Dual color LED connector for controller status, JST 3-way, S3B-ZR-SM4A (Mating type : JST ZHR-3) DESCRIPTION Green LED pin (anode) LED pin common (cathode) Red LED pin (anode) LED2 – Dual color LED connector for backlight status, JST 3-way, S3B-ZR-SM4A (Mating type : JST ZHR-3) DESCRIPTION Green LED pin (anode)
  • Page 18 P3 – HDMI connector SYMBOL DESCRIPTION DATA2+ TMDS Data2+ DATA2S TMDS Data2 Shield DATA2- TMDS Data2– DATA1+ TMDS Data1+ DATA1S TMDS Data1 Shield DATA1- TMDS Data1– DATA0+ TMDS Data0+ DATA0S TMDS Data0 Shield DATA0- TMDS Data0– CLK+ TMDS Clock+ CLK@ TMDS Clock Shield CLK- TMDS Clock–...

  • Page 19: Controller Dimensions

    CONTROLLER DIMENSIONS The maximum thickness of the controller is 15.8mm (measured from bottom of PCB to top of components, including any underside components & leads). We recommend clearances of: • 5mm from bottom of PCB - if mounting on a metal plate we also recommend a layer of suitable insulation material is added to the mounting plate surface.

  • Page 20: Application Notes

    APPLICATION NOTES USING THE CONTROLLER WITHOUT BUTTONS ATTACHED This is very straightforward by following the steps below : • Firstly setup the controller/display system with the buttons. With controls attached and display system active make any settings for colour and image position as required then switch everything off. •...
  • Page 21 Design Guideline for making VR circuitry : Signal description / Notes : 1) R1 : 470ohm on board 2) RPOT is an external potentiometer (in-line dip style) that can be plugged directly into CNC1 pins 3,4,5. RPOT must be supplied / installed by user. 3) BVR_B : Voltage tapped from “top”...

  • Page 22: Troubleshooting

    TROUBLESHOOTING General A general guide to troubleshooting a flat panel display system it is worth considering the system as separate elements, such as: Controller (jumpers, PC settings) Panel (controller, cabling, connection, panel, PC settings) Backlight (inverter, cabling, backlight tubes) Cabling Computer system (display settings, operating system) Through step by step cross checking with instruction manuals and a process of elimination to isolate the problem it is usually possible to clearly identify the problem area.

  • Page 23: Specifications

    SPECIFICATIONS Panel compatibility 1920x1200, 1920x1080, 1680x1050, 1600x1200, 1400x1050, 1440x900, 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600, 800x600, 800x480, 640x480, 480x640 resolution TFT LVDS LCD’s support. No. of colours Up to 3 x 8 bit providing 16.7 million colours. Vertical refresh rate WUXGA, UXGA, WXGA, SXGA, XGA, SVGA, VGA resolution up to 60Hz.

  • Page 24: Appendix I - Mode Support Table

    Appendix I – Mode Support Table ARGB (P1) port : Mode Resolution Clk [MHz] Horizontal Vertical Sync Mode freq [KHz] freq [Hz] T_70 720x400 28.322 31.469 70.087 Digital Separate Sync 70Hz T_70 720x400 28.322 31.469 70.087 Sync On Green 70Hz V_60 640x480 25.175...
  • Page 25 HDMI (P3) port : Mode Resolution Clk [MHz] Horizontal Vertical freq [KHz] freq [Hz] T_70 720x400 70Hz 28.322 31.469 70.087 V_60 640x480 60Hz 25.175 31.469 59.940 SV_60 800x600 60Hz 40.000 37.879 60.317 X_60 1024x768 60Hz 65.000 48.363 60.004 SX_60 1280x1024 60Hz 63.81 60.020 UX_60...

  • Page 26: Appendix Ii - Rs-232 Control Protocols

    The OSD function can be controlled through sending the RS-232 protocol. The RS-232 program can be custom-made to fit for application or it can be used the program provided by Digitalview on request. Please contact your local sales for informations.
  • Page 27 nnnn | “+” | “-“ | value/increment/decrement (In ARGB mode only) “?” Query OSD H position 0x90, Set osd_hpos = OSD horizontal position nnn | “+” | “-“ | “r” | value/increment/decrement “R” | “?” Reset Range: “0””0””0”-“3””E””8” Query Default: “1””F””4” OSD V position 0x91, Set osd_vpos =...
  • Page 28 “nnnn” = BIOS ver. “nn.nn” version Query PCBA 0xcb, “1” Read PCBA number “nnnn” = PCBA number number ALR-1920=”41727” Load factory 0xce Reset all parameters to factory “1” – successful. defaults default value # - Function in ARGB mode only...

  • Page 29: Appendix Iii - Mapping Definition

    Appendix III – Mapping definition • Definition of Mapping A : Page 29 of 34 Downloaded from Elcodis.com electronic components distributor...
  • Page 30 • Definition of Mapping B : Page 30 of 34 Downloaded from Elcodis.com electronic components distributor...

  • Page 31: Appendix Iv - Auto Color Gain

    Appendix IV – Auto Color Gain The Auto Color Gain function is supported in the ARGB mode only and is designed to calibrate the controller to the incoming video signal. In order to calibrate correctly, the display must be displaying an image containing both black and white data (see illustration below) when the function is used.

  • Page 32: Appendix V - Dv Remote Control Unit Work For Alr-1920

    Appendix V – DV remote control unit work for ALR-1920 P/N 559000106-3 : DigitalView remote control unit (without DV logo silk screen printing) P/N 559000105-3 : DigitalView remote control unit (with DigitalView logo silk screen printing) BUTTON FUNCTION POWER BUTTON Soft power ON/OFF button.

  • Page 33: Warranty

    The manufacturer’s liability for damages to customer or others resulting from the use of any product supplied hereunder shall in no event exceed the purchase price of said product. TRADEMARKS The following are trademarks of Digital View Ltd: • Digital View • ALR-1920 Page 33 of 34 Downloaded from Elcodis.com electronic components distributor...

  • Page 34: Contact Details

    California, 95037 Tel: (1) 408-782 7773 Fax: (1) 408-782 7883 Sales: ussales@digitalview.com WEBSITE www.digitalview.com Specifications subject to change without notice 4th issue: 28 April, 2011 (ALR-1920.doc) © Digital View Ltd 2011 Page 34 of 34 Downloaded from Elcodis.com electronic components distributor...

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