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14 pin Sony CMD cell phone proprietary connector layout
14 pin Sony CMD cell phone proprietary connector
full pinout
Pin Description
1 Power (+ 9V)
2 Battery charge
3 Handsfree sos
4 Handsfree extern (10K resistor to +9 to enable handsfree functions)
7 Ignition (10K resistor to +9 to illuminate the display continiously)
8 Antenna extern (10K resistor to ground to enable external microphone and antenna)
9 Audio 1
10 Audio 2 (loudspeaker amplifier output)
11 Microphone (use electrect microfoon and 46 db preamp.)
12 Audio ground (do not connect to 13 and 14 )
13 Ground (supply)
14 Ground (supply)


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Source(s) of this and additional information: Hardware Book
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