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Help Quantar Power Supply

This forum is for discussions regarding System Infrastructure and Related Equipment. This includes but is not limited to repeaters, base stations, consoles, voters, Voice over IP, system design and implementation, and other related topics.

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TheOCAstro
Posts: 33
Joined: Thu Feb 02, 2006 1:19 pm

Help Quantar Power Supply

Postby TheOCAstro » Thu Sep 26, 2019 4:58 pm

I have a UHF Quantar Repeater, the power supply went dead so I took it to the local Electronics Repair shop, he opened it up and the board was completely fried, he said there is nothing he can do to rebuild this supply. So my question is there anyone out there that knows how to repair these power supply's or is there a market out there to purchase another one or a compatible one, Any Help would be appreciated.

Oh ya the power supply is a: Onan 3-70506-0000

Karl NVW
Posts: 138
Joined: Wed Sep 03, 2003 7:13 am

Re: Help Quantar Power Supply

Postby Karl NVW » Thu Sep 26, 2019 6:29 pm

The later replacement model of the power supply (NOT made by Oman) should still be available from APD, or from companies who buy old radio systems just to part them out. I'm surprised your unit lasted so long. We used to dread unplugging a station for service or updating because we never could be sure whether it would come back up or blow up.
Karl - WA8NVW AFA5VB
SHARES + NCS

jry
Posts: 402
Joined: Fri Feb 06, 2004 3:14 pm

Re: Help Quantar Power Supply

Postby jry » Fri Sep 27, 2019 1:20 pm

should be a ton on EBay.
They are selling 800 mhz chassis cheap right now

TheOCAstro
Posts: 33
Joined: Thu Feb 02, 2006 1:19 pm

Re: Help Quantar Power Supply

Postby TheOCAstro » Fri Sep 27, 2019 1:30 pm

Thanks for your reply, could you please tell me what APD is, I'm not familiar with that

TheOCAstro
Posts: 33
Joined: Thu Feb 02, 2006 1:19 pm

Re: Help Quantar Power Supply

Postby TheOCAstro » Fri Sep 27, 2019 1:31 pm

Yes I have checked Ebay and none of the models match that particular power supply

jry
Posts: 402
Joined: Fri Feb 06, 2004 3:14 pm

Re: Help Quantar Power Supply

Postby jry » Fri Sep 27, 2019 3:24 pm

he is probably referring to one of the other OEM's that supplied that part/module to Motorola.

It's common to outsource the power supply modules to multiple vendors in lots of equipment and Motorola did this all the time in later products.

In the good old days they designed and built them in house but that's long gone.

Which model are you looking for ?

jry
Posts: 402
Joined: Fri Feb 06, 2004 3:14 pm

Re: Help Quantar Power Supply

Postby jry » Fri Sep 27, 2019 3:55 pm

that Onan part number is the same as Motorola 0184906T04

Usually the Onan is better though

TheOCAstro
Posts: 33
Joined: Thu Feb 02, 2006 1:19 pm

Re: Help Quantar Power Supply

Postby TheOCAstro » Fri Sep 27, 2019 4:47 pm

I really don't care which model it is as long as it works, both physically and for my particular repeater. Would anyone have any brands and part numbers I can start researching or a supplier, if I seem desperate...... it true LOL

VE3TUH
Posts: 269
Joined: Fri May 24, 2002 3:14 pm
What radios do you own?: more than I should...

Re: Help Quantar Power Supply

Postby VE3TUH » Thu Oct 10, 2019 2:05 pm

looks like there is one on ebay right now for 80 bucks. Really your only question is if it is a 12, or 244 supply, and I think yours is a 12 volt model.

https://www.ebay.com/itm/Motorola-Quant ... SwCWNcQOjo

VE3TUH
Posts: 269
Joined: Fri May 24, 2002 3:14 pm
What radios do you own?: more than I should...

Re: Help Quantar Power Supply

Postby VE3TUH » Thu Oct 10, 2019 2:06 pm

sorry, that should have been 12 or 24 volt...

com501
Posts: 1060
Joined: Fri Nov 02, 2001 4:00 pm
What radios do you own?: Over 50 - All Motorola

Re: Help Quantar Power Supply

Postby com501 » Fri Oct 11, 2019 1:52 pm

110AC to 12VDC is for low power repeaters, 110AC to 24VDC is for 110 watt repeaters.

If your input is from a DC source, those supplies are harder to find. The visual difference is the DC input supplies have a circuit breaker for a power switch and not a standrd rocker switch.

The company that does all Motorola Quantar power supply repairs (including warranty-when that was a thing) is http://www.jwglobal.net/ in California. Very reasonable and pleasant, give them a call.


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