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Author Topic: Resister req'd across video (rca) connector to mimic connection to tv?  (Read 2908 times)

Lee Douglas

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This particular TRRS is nearly 3/16" longer than other TRRS plugs I have.

Deleted: I missed this part when I replied.
« Last Edit: July 07, 2016, 08:21:58 am by Lee Douglas »
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Craig Hauber

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I have an odd need.  I have a USB media player ($25)  made in china, no brand name, etc.  So tech support is not an option.  It can be set up to auto play a selected audio or video format when powered up.  There is an odd problem.  I am using the supplied 4 conductor mini to component video + L&R audio cable.  The player will not boot and auto start unless the video plug is connected to a TV or monitor.  My use will not and cannot have a tv present.  I am playing an audio file.
I know by experimenting that shunting the video lead pin to the shield that the player boots properly.  Should I mimic the resistance of the tv video input by bridging the rca with a resistor?  What resistance?  My gut says 50-100 ohms, since that is the typical range of video cable used.  But, could a dead short work just as well.  While I won't be using the video while in operation, it is required for set-up and future changes, when a TV is used.

what would be wrong with using a little 3" LCD camera monitor with it all the time? 
Small enough you can tape the 2 devices together and the little monitors I have you can turn the contrast and brightness down so low the screen is black at the lowest setting.
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Craig Hauber
Mondak Sound Design
-Live PA
-Installs
-Theatre

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