VGA, DVI, S-Video and other video connectors pinouts  > Dell pinouts
TV/Digital Output pinout
Pin
Number
Pin
Name
Description
1  GND  Ground
2  GND  Ground
3 Y  Luma
4 PB  B-Y
5  NC  Not connected
6 PR  R-Y
7  ?  108 Ohms measured

When connected the option HD TV is available in the Nvidia settings. Tested full HD. pin 7 or 5 may carry sp/dif digital audio signal for dell 7 pin DIN To ypbpr+spdif dongle.

Supports CVBS+SVIDEO+SPDIF (MODE1) OR YPbPR+SPDIF (MODE2). 

7 pin mini-DIN female connector layout
7 pin mini-DIN female connector
at the computer
According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
DELL Inspiron 1720 s-video/tvout connector visual pinout:
DELL Inspiron 1720 s-video/tvout connector diagram
click to enlarge
Source(s) of this and additional information: , dell user manuals
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