# Sony CMD 1000

(at the cellular phone)

SONY SPECIAL at the cellular phone.

Pin | Description
--- | ---
1 | Power (+ 9V)
2 | Battery charge
3 | Handsfree sos
4 | Handsfree extern (10K resistor to +9 to enable handsfree functions)
5 | TXE
6 | RXE
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)

Contributor: Joakim Ögren

Source:
Sony CMD1000 pinout at Technick.net

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08