From: wa2ise@cbnewsb.cb.att.com (robert.f.casey) Newsgroups: rec.radio.amateur.misc Subject: R5000 Keywords: mods Message-ID: <1991Dec10.044014.26455@cbfsb.att.com> Date: 10 Dec 91 04:40:14 GMT Sender: news@cbfsb.att.com Organization: AT&T Bell Laboratories Lines: 26 copied from packet: Msg# TSF Size #Rd Date Time From MsgID To 8739 BF 946 0 07-Dec 0504 KD2EJ 28376_WB2QJA INFO@ALLBBS () Sb: R-5000 IMPROVE VOLTAGE SURGE SB-919 R-5000 No Freq. Change thru Computer Interface 7-21-87 R-5000 receivers below serial number 804xxxx may not change frequency when operated with a personal computer/interface. To allow correct operation, rplace IC-52 on the Control Unit. The correct part number for IC-52 is MBM27C128-25JA2. CAUTION: The R-5000 incorporates CMOS technology. Observe precautions for handling electrostatic sensitive devices. This modification may be performed under warranty. Time required for this change is 1/2 hour or less. (c) 121589TKC ============================================================================ Note: I haven't tried or verified this, proceed at your own risk. WA2ISE Copied from the QRZ! Windows Ham Radio CDROM