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Motorola Nucleus transmitter service manual?

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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n4fox
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Motorola Nucleus transmitter service manual?

Postby n4fox » Sun May 10, 2015 12:58 pm

A friend was donated a Motorola nucleus vhf setup to use for 2m ham repeater. He asked me to find him any schematics or a service manual as a pdf. Does anybody know where I could find that info?

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d119
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Re: Motorola Nucleus transmitter service manual?

Postby d119 » Sun May 10, 2015 4:49 pm

Also moving this to the Infrastructure forum...

Have you visited repeater-builder.com and seen their information on the Nucleus amateur conversion?

http://www.repeater-builder.com/motorola/nucleus/nuc-article.html

Enjoy!

n4fox
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Re: Motorola Nucleus transmitter service manual?

Postby n4fox » Sun May 10, 2015 5:04 pm

I just looked over that page. Thank you. I will print that out or save it and give him a copy. He was more after schematics for things. He has it up and running on 2m repeater already.

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d119
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Re: Motorola Nucleus transmitter service manual?

Postby d119 » Sun May 10, 2015 5:53 pm

Most excellent. I don't know of any schematics or anything like that for the Nucleus. It was a modular FRU-based radio that when something broke, you pulled out the bad module and replaced it with a good one.

The Quantar station might be the closest thing you can get schematic wise, and even that's a hassle without a 68P81088E90 service manual.

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kcbooboo
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Re: Motorola Nucleus transmitter service manual?

Postby kcbooboo » Mon May 11, 2015 4:26 am

The Quantar is the closest thing. There are NO schematics of the power supplies since Motorola didn't make them. The backplanes seem to be the same. The Nucleus paging transmitters only had to deal with voice-range audio, no PL/DPL, so much of the circuitry to modulate the reference oscillator is missing.

I like to have schematics for things too. Ain't gonna happen with the Nuke. Nothing is field-repairable. Get used to it. Move along.

Bob M.


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