Thanks everyone for helping me. I figured it out . It is a 4 by 3 matrix. But I am amazed at the response. Will contact you all for further help.
Best Regards, Aparna At 15:21 29/08/2002 -0800, you wrote: >Aparna wrote: > > There is a wire link to the LCD keypad. the keypad has 12 buttons on it. > > namely 1,2,3,4,5,6,7,8,9,0,#,* > > the wire has 7 wires one for power and apparently the rest of the 6 wires > > represent the 12 keys. > > > > I wanted to know is there any standard combination for the keys. I cannot > > apply power to check it out as I have to be careful not to blow the > circuit. > >The conclusion from the valued responses you allready received is >that there are several possibilities. I want to add the remark that >mostly it is very easy to bare the PCB traces of the keypad which >will give you a lot more information for deciding which of the >mentioned possibilies will be most probable. > >Regards, Harry >-- >Author: H.C. Croon > INET: [EMAIL PROTECTED] > >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 >San Diego, California -- Public Internet access / Mailing Lists >-------------------------------------------------------------------- >To REMOVE yourself from this mailing list, send an E-Mail message >to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in >the message BODY, include a line containing: UNSUB CHIPDIR-L >(or the name of mailing list you want to be removed from). You may >also send the HELP command for other information (like subscribing). -- Author: aparna INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
