PSU recommendation for TS-590SG

The place to talk about specific amateur radio equipment and all types of accessories, fixes, repairs and modification.
Jim444444
Regular
Regular
Posts: 27
Joined: 22 Dec 2020, 23:58

PSU recommendation for TS-590SG

Post by Jim444444 »

So don't fancy forking out 3 or 400 quid for the kenwood psu so looking for some recommendations for a decent replacement. Looking to buy something for around 150 or so.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

DPS600PB and 1-2 hours work.
WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
Jim444444
Regular
Regular
Posts: 27
Joined: 22 Dec 2020, 23:58

Re: PSU recommendation for TS-590SG

Post by Jim444444 »

Thanks but was looking for something new with no work involved. Out of interest though are server power supplies filtered for HF band usage.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

I use 600PB with 7610 since 3 years now. Great, quality PS for peanuts.
WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
Jim444444
Regular
Regular
Posts: 27
Joined: 22 Dec 2020, 23:58

Re: PSU recommendation for TS-590SG

Post by Jim444444 »

Nice, do you have any links to show you how to convert it.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
User avatar
cb4ever104
Legend
Legend
Posts: 6551
Joined: 28 Jul 2011, 21:26
Location: Alicante , España

Re: PSU recommendation for TS-590SG

Post by cb4ever104 »

ch25 wrote: 15 Jun 2021, 16:34 http://www.tjinguytech.com/my-projects/HP47A
If you want to raise voltage to 13.8V: https://static.rcgroups.net/forums/atta ... PB%202.jpg
OVP mod: https://obrazki.elektroda.pl/4128460400_1513721548.jpg Lift that led and add 2 silicon diodes in series.
Just bought one of these to mess about with . Only cost a £10 , so pretty cheap .
30TM060
Paul aka "Sammy". (108) PY60 Old Paisley DX Group (RIP Rab Markie)
Ex GM0 , now EA5 .
Handle "Fortune Hunter" back in "the day"
Radios ....? Anything that says "TAIWAN R.O.C" on the back.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

Hard to beat :)
WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
User avatar
cb4ever104
Legend
Legend
Posts: 6551
Joined: 28 Jul 2011, 21:26
Location: Alicante , España

Re: PSU recommendation for TS-590SG

Post by cb4ever104 »

ch25 wrote: 22 Jun 2021, 16:24Hard to beat :)
Not sure about the over voltage protection diagram . It's optional anyway . Right ?
30TM060
Paul aka "Sammy". (108) PY60 Old Paisley DX Group (RIP Rab Markie)
Ex GM0 , now EA5 .
Handle "Fortune Hunter" back in "the day"
Radios ....? Anything that says "TAIWAN R.O.C" on the back.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

Without OVP mod you can raise voltage up to 13.2V
Want more, 2x1n4148 in proper place :)
WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
User avatar
cb4ever104
Legend
Legend
Posts: 6551
Joined: 28 Jul 2011, 21:26
Location: Alicante , España

Re: PSU recommendation for TS-590SG

Post by cb4ever104 »

The first link states "Putting a 1K ohm pot between 3-9 allows for output voltage adjustment up to 13.8V."

So , is the diode mod necessary ?

Also . Is the diagram you posted right ?
Capture.JPG
If so , I may need to get some new glasses , as I don't see any leds ... :)
You do not have the required permissions to view the files attached to this post.
30TM060
Paul aka "Sammy". (108) PY60 Old Paisley DX Group (RIP Rab Markie)
Ex GM0 , now EA5 .
Handle "Fortune Hunter" back in "the day"
Radios ....? Anything that says "TAIWAN R.O.C" on the back.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

Without OVP mod, when you raise voltage up to 13.8V, under load OVP will trigger and switch off PS. 13.2 is the limit, where OVP don't trigger under load.
WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
User avatar
cb4ever104
Legend
Legend
Posts: 6551
Joined: 28 Jul 2011, 21:26
Location: Alicante , España

Re: PSU recommendation for TS-590SG

Post by cb4ever104 »

OK . Understood . Is there a better procedure for doing that OVP mod then ? Thanks
30TM060
Paul aka "Sammy". (108) PY60 Old Paisley DX Group (RIP Rab Markie)
Ex GM0 , now EA5 .
Handle "Fortune Hunter" back in "the day"
Radios ....? Anything that says "TAIWAN R.O.C" on the back.
User avatar
ch25
Top Poster
Top Poster
Posts: 1673
Joined: 03 Dec 2016, 11:07
Call Sign: Lemmy
Location: Poland

Re: PSU recommendation for TS-590SG

Post by ch25 »

It is only method.
Let me explain how it works for better understanding.
OVP chip is measuring output voltage. Unmodded 12V output, when it hits circa 14V OVP trigger and switch off output.
When you raise intentionally output voltage with PR as described (what is fine) almost to the OVP trigger limit you are on the edge.
So you have to raise OVP trigger voltage a little. Adding 2 1n4148 or similar raise OVP trigger point by 1.4V what is completely fine.
Now you can run PS 14V output, full load without issues.
WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL
You can't have too many antennas...
User avatar
cb4ever104
Legend
Legend
Posts: 6551
Joined: 28 Jul 2011, 21:26
Location: Alicante , España

Re: PSU recommendation for TS-590SG

Post by cb4ever104 »

Hi Chris .

Sorry . Maybe "procedure" wasn't the right word . The photo for me isn't clear . Is there a "before" and "after" photo of the mod that I can use as reference ?

Thanks

Paul
30TM060
Paul aka "Sammy". (108) PY60 Old Paisley DX Group (RIP Rab Markie)
Ex GM0 , now EA5 .
Handle "Fortune Hunter" back in "the day"
Radios ....? Anything that says "TAIWAN R.O.C" on the back.
Post Reply