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Video Loop Back test

sisia sousou
Prodigy 130 points

hi 

i'm unsing Davinci DM6446 evaluation board. In the video loop back test given by spectrum digital and i'm getting only the black color blank screen in my LCD. i'm using  NTSC camera, if any one know how to solve this problem Please share the solution with me.
Regards 
  • 0
    TI__Mastermind 35645 points
    Hi,

    Aologies for the late response.

    We will work on this and willl let you know the update at the earliest.

    Thanks & regards,
    Sivaraj K
  • 0 in reply to Sivaraj Kuppuraj
    TI__Mastermind 35645 points

    Hi,

    Thanks for your post.

    If you use PAL video, set switch 10 on the S3 (USER) bank of switches to On. If you use NTSC video, set this switch to Off. You can configure the EVM to select either the NTSC or PAL video standard during the default boot sequence too. Kindly refer section 2.1 for setting up the hardware in DM6446 getting started guide as below:

    http://www.ti.com.cn/cn/lit/ug/sprue66e/sprue66e.pdf

    Kindly see Figure 1–1 which is EVM hardware block diagram for S3 switch bank location on the above doc.

    Thanks & regards,

    Sivaraj K

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