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Nokia headset / handsfree HDB-5 connector and schematics pinout

connector or cable wiring scheme

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4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
at the headset cable (2.5mm jack used)

Wiring for the nokia 2.5mm 4-pole headset socket of Nokia 1100, 1101, 1110, 1600, 2100, 2300, 2500, 2650, 2652, 3210, 3310, 3330, 3410, 3510, 3510i, 3650, 3660, 5210, 6030, 6060, 6120, 6510, 6600, 7280, 7380 7650, 8210, 8310, 8800, 8850, 8890, 8910, 8910i cell phones (except some smartphones)


Pin		 Name Direction Description
1 Tip Speaker +
2 Ring 1 Microphone +
3 Ring 2 Speaker -
4 Sleeve Microphone -
 The answer/end button should be connected across the microphone connections. Microphone impedance should be 1k4. Speaker is 30 Ohm.


 

Nokia 3210 handsfree / headset schematic

Nokia headset schematic

Nokia 8210 handsfree / headset schematic

Nokia handsfree schematic

Both schematics made by Goran Jurkovic


 

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Pinouts.ru > Nokia cell phones ports pinouts listing > Pinout of Nokia headset / handsfree HDB-5 connector and schematics and layout of 4 pin 3.5mm (2.5mm) plug connector
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Source(s) of this and additional information: discuss.treocentral.com, http://free-zg.htnet.hr/GoranJurkovic/nokia/
Contributor: Frog Twissell
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Last updated 2010-01-14 22:54:50. Edit this page. Is this document correct or incorrect? What is your opinion?
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