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Author Topic: Daiwa pwr supply PS-120M, help, please  (Read 3333 times)
DC6BN
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Posts: 9




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« on: May 18, 2007, 03:59:14 AM »

Hello,
does anyone owns this pwr supply and has got a schematic which could be copied, please?
My PS-120M failed after many years of good use.
Many thanks.
73 de Peter, DC6BN+
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K7KBN
Member

Posts: 3473




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« Reply #1 on: May 18, 2007, 08:43:46 AM »

Peter -

As I always say, Google is your friend.  Or I could try German:  Google deine Freund bist.  Never took German in school, but...

Anyway, I simply entered Daiwa PS-120M in Google and came up shortly with

http://www.ham.dmz.ro/power_supplies/daiwa/ps-120m.php

which I hope is helpful.

73
Pat
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73
Pat K7KBN
CWO4 USNR Ret.
DC6BN
Member

Posts: 9




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« Reply #2 on: May 18, 2007, 11:16:22 PM »

K7KBN de DC6BN=
Many thanks, Pat, for your information, I'm most grateful to you.
The web site you suggested, and which I visited, only offers tech. specifications; the manual appears not to be there.
The hunt goes on...
Best wishes and "Aufwiedersehen",
de Peter, DC6BN+
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K7KBN
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Posts: 3473




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« Reply #3 on: May 19, 2007, 07:43:07 AM »

Sorry about that, Peter.  I should have checked further on that site.  It "appeared" that it had manuals available at the click of a link, but it comes up with the same information as on Rigpix.com.

I just sang in the "An die Freude", the Beethoven 9th Symphony, last week.  That's the source of most of the German I know!  So search for the information you seek "...vie un Held zum Siegen!"

Okay, too dramatic!  Good luck, anyway.

Pat
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73
Pat K7KBN
CWO4 USNR Ret.
DC6BN
Member

Posts: 9




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« Reply #4 on: May 20, 2007, 08:24:52 AM »

K7KBN de DC6BN

Thanks, Pat, for last msg, all noted.
Sent an e-mail to Daiwa Tokyo in the meantime, wait, see and have tea...
There used to be a branch office in Torrance CA, but I couldn't find any particulars on a general business page of Torrance.

One of my favourites is the No. 9 of Beethoven!
Very unusual in a way that he amalgamated the poem of Schiller (Ode "An die Freude") at the end. I always remember:

Freude schoener Goetterfunken,
Tochter aus Elysium,
wir betreten freudentrunken,
himmlische, dein Heiligtum.

It's a long one, you certainly will have read it in a translation, where the original old German beauty of the language of that time is lost...

73 de Peter, DC6BN+
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GM4DOZ
Member

Posts: 1




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« Reply #5 on: October 25, 2017, 08:40:20 AM »

Hi Peter ...

I know it has been a few years but, I'm just wondering if you ever sourced a copy of the PS-120M schematic you were looking for?

I ask because, the same PSU I have here has just turned up its toes (O/P transistor 2SC3281), so, while I'm preparing to get an exact replacement for that, or an equivalent, I also wanted to check through the rest of the circuit.

If you do have that schematic, I'd be very grateful for a copy.

73s ... de Tom GM4DOZ
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K8AXW
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Posts: 6312




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« Reply #6 on: October 25, 2017, 09:33:50 AM »

Tom:  Go to "mods.dk" (without the quote marks and lower case) then either login or create an account (free) and then click on Manuals, Daiwa and then in the alphabetical list scroll down to PS-120M.zip.  Click on this file and it will be saved to your computer.

It is a very nice schematic.

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