HTX-10 mod for expansion

[Mudfoot]

From what I recall, Radio Shack locked this rig down. I've seen proposed mods and they've all been useless.

I recently seen a local Facebook post which had a NOS HTX-10 for sale. Dude wanted $125 for it. His ad mentioned it could be modded for 11 meters.

So, is there an actual working mod for the HTX-10?

 

[sp5it]

CPU swap is only way to expand proper way.
You can swap crystal on CPU board from 22 MHz to 20 MHz, radio will go down by 2MHz but readout stays the same.
Mike

 

[Mudfoot]

That's what I've always read.

 

[AudioShockwav]

https://www.worldwidedx.com/threads/htx-10-freq-expansion-with-resistor.96593/
That's all I know as well.

73
Jeff

 

[Low_Boy]

I saw a mod for it a while back. I think it was radionut. On you tube. But it only did AM Nd USB.

 

[sp5it]

That's what I've always read.

Nothing changed.
Mike

 

[Mudfoot]

I saw a mod for it a while back. I think it was radionut. On you tube. But it only did AM Nd USB.

I believe that was for the HTX-100, not 10.

 

[Mudfoot]

https://www.worldwidedx.com/threads/htx-10-freq-expansion-with-resistor.96593/
That's all I know as well.

73
Jeff

I tried telling this fool it can't be done. Said all you have to do is change some resistors and such, before reminding me he does this for a living and not hobby. Guess the new owner will find out if he decides to convert.

 

[Low_Boy]

I believe that was for the HTX-100, not 10.

Yes it was. I had a senior moment LOL

 

[9C1Driver]

I tried telling this fool it can't be done. Said all you have to do is change some resistors and such, before reminding me he does this for a living and not hobby. Guess the new owner will find out if he decides to convert.

Lol, then tell him you will give him 150 for it after he mods it and shows you it works.

 

[Mudfoot]

He's just a dumbass that doesn't want to be wrong.

 

[Rwb]

I believe that was for the HTX-100, not 10.

htx 100 has many mods available but htx 10 has none

 

[Handy Andy]

Even when in Radio Shack...

Do as the Shack'ians do...

Caveat Emptor!

 

[WES3066]

https://www.radiomods.co.nz/trc485mod.html was a mod that I found from another post. I have one of these radios, but have not done the mod, still no sure if it will work. I think he is talking about the trc485 radio. I did see there was a way to add a roger beep to it which I thought would be a nice mod but have not done that yet. KF4UEY

 

[nomadradio]

Not the same radio. Not the same vendor. Different computer running the show.

There is a 22 MHz master crystal on the computer/PLL pc board. Replacing it with a 20 MHz part will move the coverage down to 26.0-to-27.70. Just moves the original 28-29.7 down 2 MHz. The display won't change, you'll have to do the arithmetic in your head subtracting 2 MHz from the display.

73