[Yaesu]V18#19- Memory Battery Replacement

[Phil Barnes-Roberts WA6DZS]

yaesu-request at mailman.qth.net wrote:
> Date: Thu, 20 Oct 2005 06:40:16 -0400
> From: Bob Allen <mcamp at gmavt.net>
> Subject: Re: [Yaesu] Yaesu FT -2400
> To: "Ken Snipes (KD4IEN)" <kd4ien at cox.net>
> Cc: Yaesu at mailman.qth.net
> Message-ID: <43577410.7080301 at gmavt.net>
> Content-Type: text/plain; charset=us-ascii; format=flowed
> 
> I had no trouble getting the battery from yaesu, if I remember correctly 
> it is a solder in job and space is limited. While your are in there, 
> replace the back light bulbs too.
> Bob
> KB1FRW
> 
> Ken Snipes (KD4IEN) wrote:
> 
> 
>>Does anyone have the part number for the memory battery of the ft -2400?
>>The memory is gone, and i know that's the original battery
>>
>>Thanks

I found a tip at www.mods.dk that worked for the Kenwood TM-331A I got 
from ebaY with a dead battery.  It should work for most others, too - 
including HTs!

1. Get a coin-battery holder and battery to fit, #2032 is a common, 20mm 
diameter. 3.0V lithium unit; most of these are comparable (check the 
manual or service manual/parts list vs. Mouser/Digi-Key catalogs for 
comparable sizes.

2. Carefully take the radio apart enough to get at your coin-battery.

3. Unsolder the nickel straps on the battery from the PCB.

4. Mount the holder on a scrap of perfboard (fold down the mounting tabs 
to hold it, so you don't short to any structure).

5. Put enough small red/black wire on your holder to reach from 
someplace convenient in the radio, to where the original was mounted, 
without getting pinched.

6. Add a little "3M mounting square" (double-sticky foam patch.)

7. Double-check +/->to>red/black>to>+/-, usually +=top.

8. Wire it to the PCB in place of the original.  The solder traces are 
usually pretty big and easy.

9. Put the radio back together, and stick your new holder to the 
convenient place (not covering heatsinks/adjustment points, etc), and 
snap-in the new battery.

10. Enjoy having memories again!
-- 
73, Phil Barnes-Roberts WA6DZS mailto:wa6dzs at arrl dot net
All else aside, RF to the other fellow's antenna is what counts.