using AC/DC adapter w/ HTX-202

using AC/DC adapter w/ HTX-202

Post by TOM SUNM » Wed, 14 Dec 1994 10:19:30

   I have an HTX-202 HT and was wondering if it's O.K. to leave on the
battery pack while using the AC-DC plug-in power supply. This is cat #
273-1653a. I have been taking the battery pack off when using it. I
imagine it shouldn't hurt anything but I want to check with more
experienced users. Thanks for all replies!

73,

Tom, KB2SMS

 
 
 

using AC/DC adapter w/ HTX-202

Post by Gerald Schmit » Wed, 14 Dec 1994 20:37:51


I just sold my HTX-202 but what I did was put on the drycell
pack empty. That way the contacts on the radio are protected
and the battery does not get over charged. It only takes a
second to change the packs. seemed the best way to me 73 de Jerry

 
 
 

using AC/DC adapter w/ HTX-202

Post by vyan.. » Sat, 17 Dec 1994 15:45:44

I have had my HTX-202 for about two years now.  I have always left the
battery pack on while running on external power.  No adverse effects to
report.  I did read 13.8v across the terminals. Shouldn't D5 prevent this?
Vince Yankey
N7YVL



 
 
 

using AC/DC adapter w/ HTX-202

Post by Fred Mcc » Sun, 18 Dec 1994 10:50:00

To correct my previous mumblings about the diodes:

Quote:>If this has already been hashed out, ignore this. If I've made an
>error here, please let me know...

Ok, so I'm letting myself know!

Quote:

>1. The battery pack is isolated from the external jack with diodes
>   D4 & D3 (unlike some of the Icoms that *were* intended to charge
>   the pack from the top). You can not charge the pack from the
>   external DC jack.

That should have been D4 & *D5*, not D3. It was late, I was tired,
and all the other excuses that go along with that...

73 & Merry Christmas to all
(even though I am a Grinch), Fred

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using AC/DC adapter w/ HTX-202

Post by Shel Dara » Thu, 29 Dec 1994 01:54:05

: I have had my HTX-202 for about two years now.  I have always left the
: battery pack on while running on external power.  No adverse effects to
: report.  I did read 13.8v across the terminals. Shouldn't D5 prevent this?
: Vince Yankey
: N7YVL



Vince: I checked the voltage on mine at the ball that connects
to the battery pack:  11.68 V (I'm using a 12V power supply NOT 13.8).
Does that mean we have blown  D5 and will charge NiCd packs?