Digital View DD-1920-DUAL-DVI Instructions Manual
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Digital View DD-1920-DUAL-DVI Instructions Manual

Dual dvi interface controller for tft panel
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DUAL DVI INTERFACE CONTROLLER
Model: DD-1920-DUAL-DVI
CONTENTS
Page: 2. Introduction, How to Proceed, Usage Note, Disclaimer
3. System design – Diagram of a suggested system
4. Assembly notes – Important information about system elements
6. Connection & Operation – How to use the controller
9. Connectors, pinouts & jumpers – Essential connection information
16. Controller dimensions
17. Application notes
19. Troubleshooting
20. Specifications
21. Appendix I – Mode Support Table
22. Appendix II – RS-232 control protocols
26. Appendix III - Mapping definition
28. Appendix IV – DV remote control unit work for DD-1920-DUAL-DVI
29. Warranty, Caution & Limitation of Liability, Trademarks
30. Contact details
It is essential that these instructions are read and understood before connecting or
powering up this controller.
FOR TFT PANEL
Part number : 41739000X-3
INSTRUCTIONS
Version 4 - 17 June, 2019
Page 1 of 31

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Summary of Contents for Digital View DD-1920-DUAL-DVI

  • Page 1 21. Appendix I – Mode Support Table 22. Appendix II – RS-232 control protocols 26. Appendix III - Mapping definition 28. Appendix IV – DV remote control unit work for DD-1920-DUAL-DVI 29. Warranty, Caution & Limitation of Liability, Trademarks 30. 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 DD-1920-DUAL-DVI controller provides easy to use DVI interface controller for: TFT (active matrix) LCDs with LVDS interface of 1920x1200, 1920x1080, 1920x480, 1680x1050, 1600x1200, 1600x900, 1440x900, 1400x1050, 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600, 960x960, 800x600, 800x480 resolution...

  • Page 3: System Design

    Status LED (Optional) IR sensor (Optional) 10. RS-232 control interface 11. DVI 1/ DVI 2 signal source 12. Power input (12VDC) Digital View offers a range of accessories such as listed above, to make up complete display solution. Page 3 of 31...

  • Page 4: Assembly Notes

    ASSEMBLY NOTES This controller is designed for monitor and custom display projects using 1920x1200, 1920x1080, 1920x480, 1680x1050, 1600x1200, 1600x900, 1440x900, 1400x1050, 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600, 960x960, 800x600, 800x480 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 Controller Mounting: It is recommended that a clearance of at least 10mm is provided above and 5mm below the controller when mounted. • • • • Additionally consideration should be given to: Electrical insulation. • Grounding. • EMI shielding. • Cable management.

  • Page 6: Connection And Operation

    CONNECTION & OPERATION CAUTION: Never connect or disconnect parts of the display system when the system is powered up as this may cause serious damage. CONNECTION Connection and usage is quite straight forward (it is useful to have the relevant connection diagram available at this time): LCD 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 Brightness Increase/decrease brightness level. Press – or + (- + ) Total : 100 steps Contrast Increase/decrease contrast level. Press – or + (- + ) Total : 100 steps Sharpness Increase/decrease sharpness level. Press – or + (- + ) Total : 8 steps Color Color temp4 4 4 4 (Adjust the warmness of the image displayed.

  • Page 9: Connectors, Pinouts & Jumpers

    CONNECTORS, PINOUTS & JUMPERS The various connectors are: Summary: Connectors Purpose Description Serial control Molex 53261-0671, 6 ways 1.25mm pitch (Mating type : Molex 51021-0600) (Matching connection cable P/N 426171800-3) CNA1 Auxiliary power output JST 4-way, S4B-XH-A (Mating type : XHP-4) (Matching cable P/N 426040200-3) CNB1 Backlight inverter...
  • Page 10 Summary: Jumpers setting Purpose Note Panel power voltage select See panel voltage setting table 1 CAUTION: Incorrect setting will cause panel damage Backlight brightness voltage range 1-2 closed = 3.3V max 2-3 closed = 5V max Backlight inverter on/off control – signal level 1-2 = On/Off control signal ‘High’...
  • Page 11 DIP Switch selection – SW2 Pos #1 Pos #2 Pos #3 Pos.#4 Description Panel resolution For WUXGA panel Samsung LTM220CS01 1920x1200 AU Optronics B170UW02 V0 1920x1200 AU Optronics M215HW01 1920x1080 Samsung LTM230HT01 1920x1080 Samsung LTI400HA01 1920x1080 LG LP156WF4 1920x1080 AU Optronics G173HW01 V0 1920x1080 For UXGA panel NEC NL160120BC27-14...
  • Page 12 Pos #5 Pos #6 Pos #7 Description WUXGA UXGA SXGA WXGA SVGA VGA / WVGA Others SW1 Pos 8 = Reserved. DIP switch selection – SW1 Pos. # Function Description Panel pixel format OFF : Double Pixel ON : Single Pixel LVDS data mapping select ON : Mapping A (LVDS panel) OFF : Mapping B (LVDS panel)
  • Page 13 CN8 – RS-232 serial control: Molex 53261-0671, 6 ways 1.25mm pitch (Matching type : Molex 51021-0600) SYMBOL DESCRIPTION SDATA Reserved SCLK Reserved RS-232 Tx data Ground RS-232 Rx data CNA1 - Auxiliary power output: JST S4B-XH-A (Matching type : XHP-4) SYMBOL DESCRIPTION AUX POWER...
  • Page 14 DVI 1 & DVI 2 – DVI-D in SYMBOL DESCRIPTION /RX2 TMDS Data 2- TMDS Data 2+ Digital Ground No connection No connection DDC_CLK DDC Clock DDC_DAT DDC Data No connection /RX1 TMDS Data 1- TMDS Data 1+ Digital Ground No connection No connection DDC_5V...
  • Page 15 J3 – LVDS output connector: JAE FI-RE51S-HF (Matching type : JAE FI-RE51HL) SYMBOL DESCRIPTION VDD (+12V) Panel power supply (+12V) (selected by JA3) VDD (+12V) Panel power supply (+12V) (selected by JA3) VDD (+12V) Panel power supply (+12V) (selected by JA3) VDD (+12V) Panel power supply (+12V) (selected by JA3) VDD (+12V)

  • Page 16: Controller Dimensions

    CONTROLLER DIMENSIONS The maximum thickness of the controller is 13.55mm (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 •...

  • Page 17: 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 18 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 19: 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 20: Specifications

    SPECIFICATIONS Panel compatibility 1920x1200, 1920x1080, 1920x480, 1680x1050, 1600x1200, 1600x900, 1440x900, 1400x1050, 1366x768, 1280x1024, 1280x800, 1280x768, 1024x768, 1024x600, 960x960, 800x600, 800x480 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 21: Appendix I - Mode Support Table

    Appendix I – Mode Support Table DVI port : Video timing: CVT timing: Native/preferred timing.. 1920x1080p at 60Hz (15:9) Native/preferred timing.. 1920x1080p at 60Hz (15:9) Detailed timing #1..1920x1200p at 60Hz (15:9) Detailed timing #1..1920x1200p at 60Hz (15:9) Detailed timing #2..1600x1200p at 60Hz (15:9) Detailed timing #2..

  • Page 22: Appendix Ii - Rs-232 Control Protocols

    Appendix II – RS-232 control protocols RS-232 Serial control (Baud rate 2400, 8 bits, 1 stop bit and no parity) Physical connection : Controller side Computer side Connector interface : CN8 Connector interface : Serial port Mating connector : Molex 51021-0600 Mating connector : DB9 Female Mating face of CN8 Mating face of RS-232 DB9 Male...
  • Page 23 timeout nn | “+” | “-“ | “r” | value/increment/decrement “00” – Continuous. “R” | “?” Reset Value – Round up to Query nearest available step. If value > max available step, set it to the max available step. “0” “0” – Always On. “0”...
  • Page 24 “r” | “R” | value/increment/decrement Range: “0””0”-“6””4” “?” Reset Default: “6””4” Query OSD status 0xbb Status of OSD “0” – OSD turned off enquiry “?” Query “1” – OSD turned on Backlight 0xe0, Set backlight brightness = Backlight brightness. brightness nn | “+”...

  • Page 25: Ascii Hex

    Read BIOS version “nnnn” = BIOS ver. “nn.nn” version Query PCBA 0xcb, “1” Read PCBA number “nnnn” = PCBA number number DD-1920-DUAL-DVI=”41739” Load factory 0xce Reset all parameters to “1” – successful. defaults factory default value Hex to ASCII conversion table...

  • Page 26: Appendix Iii - Mapping Definition

    Appendix III – Mapping definition Definition of Mapping A : • Page 26 of 30...
  • Page 27 Definition of Mapping B : • Page 27 of 31...

  • Page 28: Appendix Iv - Dv Remote Control Unit Work For Dd-1920-Dual-Dvi

    Appendix IV – DV remote control unit work for DD-1920-DUAL-DVI 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 29: 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 •...

  • Page 30: Contact Details

    6 How Hing Street Kwun Tong Hong Kong Tel: (852) 2861 3615 Fax: (852) 2520 2987 Sales: hksales@digitalview.com WEBSITE www.digitalview.com Specifications subject to change without notice © 2019 Digital View Ltd 4th issue: 17 June, 2019 (DD-1920-DUAL-DVI manual.doc) Page 30 of 30...

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