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1997-12-21
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From dgra@qmgate.ECi-esyst.COM Thu May 4 18:52:25 EDT 1995
Article: 12253 of rec.radio.amateur.equipment
Path: camelot.ccs.neu.edu!news.dfci.harvard.edu!oitnews.harvard.edu!das-news2.harvard.edu!news2.near.net!howland.reston.ans.net!swrinde!ihnp4.ucsd.edu!network.ucsd.edu!news-mail-gateway
From: dgra@qmgate.ECi-esyst.COM (Dana Rodakis)
Newsgroups: rec.radio.amateur.equipment
Subject: FT-51R Mars/CAP Mod
Date: 4 May 95 20:35:28 GMT
Organization: ucsd usenet gateway
Lines: 82
Message-ID: <n1412516761.69709@qmgate>
NNTP-Posting-Host: ucsd.edu
Originator: daemon@ucsd.edu
YAESU FT-51R
Expanded Transmit 140-174 MHz, 420-470 MHz
MARS & CAP MODIFICATION
This information is authorized for distribution
only to individuals who are members of the U.S.
Military Affiliate Radio System, Civil Air Patrol,
or other government agency services specifically
permitted by the FCC to use non-Type-Accepted
equipment such as that utilized in the Amateur
Radio Service. Release of this information to
individuals not bearing a license in the MARS, CAP,
or other such government service is not authorized
by Yaesu U.S.A.
* Remove Antenna and Battery
* Remove (6) black screws in rear plastic cover
plate (where the battery would normally fit)
* Remove the (1) small black screw in the battery
slide switch (see figure 1 below for screw
locations)
* Loosen (but don't remove) the (4) black screws
on the upper back of rear case and slightly
separate the rear radio case.
* Remove the "L" type plastic cover
CAUTION: Watch out for the delicate ribbon cable
* Locate and unsolder jumper pad #6 (see Figure 2
below for jumper locations) (Pads 1,7 should now
be jumpered) (Stock, Pads 1,6,7 only)
* Reinstall the "L" type plastic cover
* Tighten the (4) case screws on rear case
* Re-install the (6) black screws in rear plastic
cover plate.
* Re-install the (1) small black screw with the
battery slide switch
* Now attach the antenna and battery
* Turn off Radio... Press and hold both UP & Down
Arrows Keys (right side) while turning on the
Radio
* Modification now complete!
(Figure 1 not rendered; my ASCII art skills aren't
that good)
Figure 2: Jumper locations. For European tone burst,
add solder to jumper 4.
_________________________________________________
|
| __________
| | | 1 o
| | | o 2
| | | 3 o
| | CPU | o 4
| | | 5 o
| | | o 6
| |________| 7 o
|
|
|