P800 earphones pinout

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Author	P800 earphones pinout
woz Joined: Jul 08, 2003 Posts: 1 From: Australia PM	Posted: 2003-07-08 01:56 Does anyone know the pinout for the included P800 earphones? I have a 2.5mm plug to 3.5mm socket adaptor (so I can use any set of headphones) and it works intermittently (have to wiggle the plug for stereo sound) and the voicedial keeps activating too. I would prefer not to take apart my original earphones to find the configuration Can anyone help? Thanks

rk Joined: Jul 09, 2003 Posts: 1 From: uk PM	Posted: 2003-07-09 23:08 it's actually a handsfree headset. and from what my VOM tells me (without taking the headset apart) ... - the tip of the plug is for the LEFT SPEAKER. - the sleeve after the tip is for the RIGHT SPEAKER. - the next sleeve is for the microphone, in parallel with the ON-HOOK/OFF-HOOK switch. - the base is the common ground for the tip and sleeves. if your 3.5mm-to-2.5mm plug adaptor has the same number of sleeves, then you shouldn't have any problems at all. however, if what you have is an ordinary stereo (3-conductors, instead of 4) adaptor, what you're actually doing is shorting the mic/switch line to the speaker lines -one reason for the phone to screw up. [ This Message was edited by: rk on 2003-07-09 22:28 ]

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