From:wa2ise@cbnewsb.cb.att.com (robert.f.casey) Subject:TM241 TX mod file Date:19 Oct 91 03:23:18 GMT Sender:news@cbfsb.att.com Organization:AT&T Bell Laboratories Lines:30 copied from packet: Msg# TSF Size #Rd Date Time From MsgID To 63056 BF 1307 1 14-Oct 1645 N2FWQ 49200_N2IMC MODS@ALLBBS () Sb:knwood tm241 mods This mod is only intended for experimental applications only! Know what freq you are on and don't use this mod if you are not for sure. The TM-241 is capable of transmitting from 136 to 174 MHz when the following modification is performed. The transmitter specifications will vary from published in-band specifications. 1. Remove the top and bottom covers from the transciever. 2. Remove the knobs from the front panel. 3. Remove the nut from the mic jack and the nut from the channel selector switch. 4. Remove the 4 screws that secure the front panel to the body of the transceiver 5. Pull the front panel off the transceiver to expose the Control board. 6. Remove the 3 screws from the Control board. Gently pull the board off the transceiver. 7. Cut the GREEN jumper wire on the Control board. 8. Install an MA141A chip diode or 1N914 diode as D209 on the Control Board. 9. Reassemble the transceiver by reversing steps 1 - 6. 10. Reset the microprocessor by holding in the MR key as power is turned on. ------------------------------------------------------------------------- I haven't tried or verified this, proceed at your own risk. WA2ISE And do not transmit outside of legal bands!  Amsterdam View Our Stats   CLICK FOR A FREE DOMAIN NAMES HTTP://WWW.YOURNAME.TK FOR YOUR OWN WEBSITE IF YOU CLICK HERE AND YOU CAN VOTE FOR OUR FREE WEBSITES IN THE TOP 100 LIST  WANT A TOP RANKING ? USE THE ULTIMATE SOFTWARE SUITE FOR WEB SITE PROMOTION  FreeWebSubmissions Submit Your Site To The Web's Top 50 Search Engines For Free THE ALEXA BANNER, THIS BANNER GIVES THE DALLY STATISTICS OF THIS FREE WEB SITE The World of Free Packet Radio Software Amsterdam The World Of Free Packet Radio Software Amsterdam The Netherlands |