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4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
at the 2.5mm [Male]


Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
1 Audio R Out 1 Audio R In
2 Audio L Out 2 Audio L In
3 Video Out 3 Ground In
4 Ground Out 4 Video In


According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
Acer C20 Pico Projector A/V Input in Box Cable Adapter visual pinout:click to enlarge
Source(s) of this and additional information: My experience
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