
|

|

|

|
Modifications
for the Yaesu VX-5R
|
Some modification does not work.!! |
|
You can extend the transmit
freqs of the 2800 simply by
powering on the radio holding
the Low and D/MR.
This will only work untill you
shut the radio off again. This
really works.
Before you modify your radios
try this. It is a little
annoying but a whole lot
cheaper. Plus you do not void
your warranty.
It really works, trust me. This
guy knows what he is talking
about. It is really useful
because i often travel on the
lake near my house and there is
a lot of police and marine
traffic and i cant afford a
marine radio for now and of
course i cant buy a police radio
and I could easily transmitt on
156.8 in an emergency. |
|
|
|
|
|
Turn Your VX-5R while holding
down MR/skp/sc key. You kan hear
the special sound. Now your rig
is in IDIOT -mod. Only large
digits on the display, may be
used only MR mode, user can
change only squelch and TX
power. No more! VFO, the
preferencies and other features
are blocked.
Now you can give it to police
officer, your old grandmother or
to your wife for simple use.
To cancel: turn off, turn on
while holding MR. You have your
VX-5R back for normal use.
73 de OH5GFZ |
|
|
|
|
View or Download
in PDF
|
VX-5R MARS/CAP & freeband mod for Version 1, 2
& 3 |
|
Version S/No
7NXXXXX
8NXXXXX
9FXXXXX
VX-5R
VERSIONS 1& 2
7Nxxxxx
8Nxxxxx
-
Remove battery.
-
Remove the cover for
Pressure Sensing Unit
[SU-1]. Refer to owner’s
manual.
-
Remove the SU-1 if
installed.
-
Locate the solder pads on
back of the transceiver.
Solder pad configuration for USA
Mars/Cap mod.
X = not soldered
O = soldered
XXXOOOXX-Factory
XXXXOOXX-Mars/cap
XXXXXXXX-Freeband
VERSION 3
9Fxxxxx
Solder pad configuration for USA
Mars/Cap & Freeband mod.
X = not soldered
O = soldered
XXXOOXXX-Factory
XXXXOXXX-Mars/Cap
XXOXOXXX-Freeband
This article can also be found
as a PDF file at
http://www.users.bigpond.com/vk3xem/mods/vx5rmods.pdf. |
|
|
|
|
|
VX-5R expanded frequency mod |
|
After performing the reset on a
VX5-R (pressing [VFO] + [MR] +
[4] + [PWR], the radio only
receives and transmits in the
6M, 2M and 79cm hambands, try
this to restore full coverage:
Press [BAND] + [HM/RV] + [TX PO}
and [PWR] simultaneously.
I had to do this to restore all
11 bands and enable out of band
Transmit after performing the
VX-5R expanded frequency mod.
Kirk Ellis KI4RK |
|
|
|
|
|
VX-5R Loose antenna "cure" |
|
My VX-5R like many others had a
chronic loose antenna.
I bought a male smc connector
with a 6 point nut for 3.00 at a
hamfest and replaced the old
spanner type nut with the 6
point. I also used the small
washer that came with the new
connector under the nut. Using a
8mm - 6 point Craftsman thinwall
socket and a firm but gentle
twist is all it takes to snug
the nut down.
It has been over 2 months and
several antenna swaps and the
connecor is still tight.
This simple and cheap mod has
made the radio much more
enjoyable and no more worry
about blowing the finals.
One final note: The socket needs
to be a quality 6 point
thin-wall. The Craftsman 12
point and even their 6 point nut
driver would not drop into the
antenna recess. I imagine any
higher quality 6 point socket
should work just fine.
Good luck and 73
Glenn Cerny KB9WCM |
|
|
|
|
Mod for the new generationīs of
Vx-5r serial no. 0E280926
-
I locate solder pads on
lower side
-
My Vx-5 have solder the 4th
and the 5th pad
I remove solder from the 5th
pad
-
I reset my radio.
Now my Vx-5 is free band tx-rx
73īs CE3SUR, Humberto Gonzalez |
|
|
|
|
|
VX 5 R modification for German |
Mod for the German Version to
use the 6m Band
-
Remove Battery and the cover
for Pressure Sensing Unit (
SU - 1 )
Locate solder pads on lower
side
Remove solder from the 6th
pad and the 8th pad (
counting left to right )
Now soldering the 7th pad
Reasemble the radio and
reset the microprocessor
Mod complete
Viel Spass !!! |
|
|
|
|
|
Use Nokia 7110 Belt Clip for an VX-5R |
|
This is Very Easy, just use
Handphone BeltClip with a litle
modification you can Use it for
Yaesu Vx-5R (I used Belt clip
for Nokia 7110).
Here is the picture show you how
to do it
 |
|
|
|
|
|
Looking at the other mods on the
internet for this rig, if you
find the 8 solder pads behind
the barometer lid; unsolder the
middle two that appear to be
shorted.
Then reset the microprocessor.
Check your owner's manual for
reset procedure.
Mod complete.
Excellent coverage!
TX 108-221.950 MHz & 303-580
MHz. |
|
|
|
|
Expanded range
RX 137 - 174 MHz
TX 140 - 174 MHz
TX 420 - 470 MHz
-
Remove Battery and Antenna .
Remove the cover for
Pressure Sensing Unit
(SU-1). See Owner Manual
Remove the SU-1 Option board
(if installed)
Locate solder pads on lower
left side.
Remove solder from the
fourth pad from the left
(JP5)
Reassemble the radio
Reset the microprocessor.
(Press and hold [ MR ] & [
VFO] & [4 ] and turn on the
radio.
|
|
|
|
|
|
PC software MARS/CAP or FREEBAND mods. |
|
You can do
mods with EVE-software. It
possible modifying MARS/CAP or
FREEBAND (full tx )This
modification don't needs
soldering. This modification
doing virtual jumpers, and you
can reset the radio and you can
get factory settings. The
current version of EVE is 1.70.
You can download EVE here
http://kb2ljj.serveftp.com/yaesu/yaesu-software |
|
|
|
|
|
VR-2 and VR-5 Interface and cable connection |

|
Here
you will find free programming
software for various handheld
radios. |
|
|
|
|
Basic cable setups for the different radios:
Remember,
you can use a USB to TTL cable in place of the RS-232 to TTL
cable. (see below)
Remove the battery pack, beneath
where the pack was, is a black
cover (heavy duty paper) it's
just stuck and is removable to
install the optional
barometer/temperature module.
Remove this and you'll see 8
solder pads, for some reason
some have 3 pads bridged, in my
case there were 4 bridged. In
either case unsolder the 5th pad
counting right to left. Do a
full reset, tha's it HT is now
open. |
|
|
|
|
|
Some modification does not work.!! |
|
Some has reportet to www.mods.dk
that the following modification
frm YAESU VX-5R maybe NOT
WORK with NEW
radios:
"VX-5R Expanded frequency"
"PC software MARS/CAP or
FREEBAND mods."
"Expanded range for VX5R."
It looks like Yaesu has change
in the radio, so they not can be
modify by the above modification |
|
|
|
|
Click to
download the modification in PDF system file
VX5R.pdf Mods
ATTENTION
The KB2LJJ takes no responsibility for any damage during the modification or for
any wrong information made on this modification.
|

|

|

|