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av:japanese_rgb-21 [2006/04/13 15:44]
64.75.150.222 Fixed an error in the 1st pinout diagram (audio pins were reversed)
av:japanese_rgb-21 [2019/08/27 20:45] (current)
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 +===== Japanese 21-pin RGB connector =====
 +The Japanese RGB-21 connector, also known as EIAJ TTC-003 apparently, is identical in appearance to the European [[scart_connector|SCART]] (or PĂ©ritel or Euroconnector). ​ The pinout is completely different however. ​ There'​s an RGB<- ->SCART adaptor pinout [[scart2rgb|here]].
 +
 +=== Simple version ===
 +
 +{{connectors:​con-rgb21.gif}}
 +^ Pin ^ Description ^ Pin ^ Description ^
 +|  1 |Left audio  |  2 | NC  |
 +|  3 |Audio shield ​ |  4 |NC  |
 +|  5 |Right audio  |  6 |NC  |
 +|  7 |Sync shield ​ |  8 |NC  |
 +|  9 |Sync  |  10 |NC  |
 +|  11 |+5v  |  12 |NC  |
 +|  13 |Red shield ​ |  14 |NC  |
 +|  15 |Red  |  16 | 1V*  |
 +|  17 |Green shield ​ |  18 |Blue shield ​ |
 +|  19 |Green ​ |  20 |Blue  |
 +|  21 | Ground ​ |
 +
 +  * *connect to pin 11 via 3.3k Ohm resistor. ​ The resistor isn't usually necessary, and +5v on this pin will most often work.
 +
 +=== Full Version ===
 +This version includes every pin, including a few you'll never really need to know.  All labels are display-relative,​ so input means into the display.  ​
 +
 +Most of these pins can be safely ignored for most purposes.  ​
 +
 +{{connectors:​con-rgb21.gif}}
 +|  1  | Audio left channel input| ​ 2  | Audio left channel output ​ |
 +|  3  | Audio ground ​ |  4  | Audio ground ​ |
 +|  5  | Audio right channel input  |  6  | Audio right channel output ​ |
 +|  7  | Video ground ​ |  8  | Video ground ​ |
 +|  9  | CVBS input  |  10  | CVBS output ​ |
 +|  11  | AV control input  |  12  | Ym input  |
 +|  13  | Red signal ground ​ |  14  | Ground ​ |
 +|  15  | Red signal I/O  |  16  | Ys input|
 +|  17  | Green signal ground ​ |  18  | Blue signal ground ​ |
 +|  19  | Green signal I/O  |  20  | Blue signal I/O  |
 +|  21  | Plug shield ​ |
 +
 +Special Notes:
 +  * Audio Input: 0.40 mVrms, > 47K ohms
 +  * Audio Output: 0.40 mVrms, > 10K ohms
 +  * CVBS (Composite Video) in and out: 1 Vp-p, 75 ohms, sync: negative
 +  * Ym Input: Switches RGB to half-brightness,​ for video overlay (L: < 0.4V, H: > 1V, 75 ohms)
 +  * Ys Input: RGB in/out: (Ground for output, 1V+ for Input (preferred)((A lot of displays won't show RGB at all without Vcc on this line)))
 +  * All RGB lines: 0.7 Vp-p, 75 ohms
 +
 +----
 +The detailed version was found on [[http://​vhd.co.kr/​tech/​if/​d/​d.htm|this Korean page]]
  
 
 
 
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