home *** CD-ROM | disk | FTP | other *** search
- Article 40159 of rec.radio.amateur.misc:
- Path: west.West.Sun.COM!news2me.EBay.Sun.COM!sun-barr!ames!agate!howland.reston.ans.net!gatech!concert!lester.appstate.edu!lester.appstate.edu!usenet
- From: HOFFMANMK@CONRAD.APPSTATE.EDU (Marvin Hoffman)
- Newsgroups: rec.radio.amateur.misc
- Subject: Need Help on Mod for Icom 725
- Date: 20 May 1993 20:04:12 GMT
- Organization: APPALACHIAN STATE UNIVERSITY
- Lines: 79
- Distribution: world
- Message-ID: <1tgo7sINN4a8@lester.appstate.edu>
- NNTP-Posting-Host: conrad.appstate.edu
- X-News-Reader: VMS NEWS 1.24
-
- Can someone kindly help me with the missing step from the modification
- to the ICOM 725? I got the following mod from the n8emr mod server but
- it is apparent that something is missing in step 5 and step 11 appears to have
- something missing (besides being out of sequence).
-
-
- Thanks,
-
- Marv Hoffman, KD4EGV
- Appalachian State University
- Boone, NC
-
-
- Bitnet: hoffmanmk@appstate
- Internet: hoffmanmk@conrad.appstate.edu
-
-
- *****************************************************************************
-
-
- From: IN%"MOD-SERVER@n8emr.cmhnet.org" 20-MAY-1993 14:25:50.72
- To: IN%"HOFFMANMK@conrad.appstate.edu"
- CC:
- Subj: /usr/bbsfiles/mods/ic725.mod Part 01/01
-
- -----------------------------------------------------------------------------
- ICOM IC-725 MODIFICATIONS
- -----------------------------------------------------------------------------
-
- MARS MODIFICATION
- -----------------
-
- DISCLAIMER:
- This modification allows the radio to transmit outside of the designated
- Amateur freq. Transmitting where you are not licensed to do so is
- unlawful!
-
- Disassemble radio following instructions on page 24 of Instruction
- manual, steps 1 - 7, or as follows:
-
- NOTE: All instructions with the radio's front panel facing you unless
- otherwise specified!
-
- 1) Remove all black screws from top & bottom covers and remove both covers.
-
- 2) Remove the 2 flat head screws that hold the PA unit to the front unit.
- (top front of radio - Not the screws that are in the plastic front panel.)
-
- 3) Remove the 2 screws that hold the PA unit to the rear panel.
- (Looking at the rear of the radio, 1 is above the ext. speaker jack &
- 1 is above to ACC(1) jack.)
-
- 4) Unplug the 2 plugs from J11 & J12.
-
- 5) D
-
- 6) Disconnect the large black connector on the left side of radio.
-
- 7) Slide up and out, the TUNER CONTROL SOCKET from it's holder in the rear
- panel.
-
- 8) Remove the tape from the right side of the PA unit.
-
- 9) Swing the PA unit up to the left and lay over flat.
- located to the left side, rear of the board, next to J4.
- You may have to remove J4 to allow access to D-5.
-
- 11) Reassembly is As if you were
- opening a book! You now have the PLL unit exposed.
-
- 10) Cut Diode D-5 from the PLL unit.
- D-5 is loca reverse of above
-
- 12) The radio will now transmit from 1.5 MHz to 33 Mhz. (It will transmit
- even lower but the power output drops off and I don't know if doing so
- will damage the transmitter.
-
-
-
-
-
-
- Copied from the QRZ! Windows Ham Radio CDROM
-
-