Question about Raymarine Raystar 120 GPS Receiver

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My GPS Raymarine (installed in 2001) with Raytheon Raystar 120 antenna indicate offen a NO FIX. A technician tells me that there must be a problem with the antenna and that the best solution is to replace it by a new one. Is it true?

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Before you buy a new one if that is a raytheon raystar unit there is a lithium battery inside the unit check that first thats all you may have to replace.

Posted on Feb 25, 2013

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Posted on Jan 02, 2017

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SOURCE: cut antenna wire raymarine 300waas gps

That unit uses a TNC connector. Just have someone install a new one on the end of the cable. IT's a little more difficult than a F connector for a TV but not rocket science. You can also send it in to Mid-Shore Electronics. Just google them and get their number. They have alot of experience with the older stuff.

Posted on Oct 30, 2009

  • 43 Answers

SOURCE: GPS antenna

If your old antena is a Seatalk or NMEA antena you can use it for your C80
If you GPS antenna is older than five year change it.

Posted on Oct 31, 2009

  • 111 Answers

SOURCE: i got a raytheon sl70 pathfinder gps that wont get

If you're using a raystar 125 antenna, you will have to power the red wire + and the shield wire - separately. Sl70's don't provide power over seatalk. Also make sure your green and brown wires are properly connected. If it's a 120 just power the red and sheild(black) and leave off the all except the yellow that's your data. If you still have nothing may probably have a problem in the antenna itself.

Posted on Jan 22, 2010

  • 1 Answer

SOURCE: My Raystar 120 GPS keeps losing its fix.... the

Guys, most likely the litium battery is eol. Buy a new litium 3 volts battery for 3-4 euro's with soldering points . Use a pair of scissors, note the plus and minus side of the poles and carefully cut out the battery leaving enough metal to solder a replacement battery. Solder the replacement battery, and the problem is fixed. You're ready for another 6 years of fun saving 300 USD for a new GPS!

Posted on May 17, 2010

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I lost the Manual for my C 120 GPS Receiver. Is there the Possibility to download the Manual


Hi,

You can download and print the instruction manual in PDF format from the official Raymarine website by clicking this link.


On the page which opens, click on "Manual s & Docs" tab. The download the required manual.

Please note: Adobe PDF Reader is required to view this manual. Click here to download the latest version of Adobe Reader.

Hope this solves your problem. Thanks for using FixYa.

Sep 20, 2010 | Raymarine Raystar 120 GPS Receiver

1 Answer

My Raymarine C 120 GPS intermittently stops working.


I had to replace a GPS antenna unit with cable. Sometimes, during bad weather or strong sun, I lost FIX on satellites. Cleaning the top of antenna did not help. Unit from Ebay was also a junk. Get a new one after testing display on a friend boat.

Jul 28, 2010 | Raymarine C120 GPS Receiver

1 Answer

We lose fix info. on the c120and the Auto pilot has no display. The problem is intermittent


This sounds like a problem with the receiver. If you can not get GPS fix (sometimes) you will have to start looking at the GPS antenna and cable. If the unit is new check out the location of the antenna. As with anything that works with satellites it need a clear view of the sky to fix onto the "birds". A GPS connects to numerous "birds" at a time, so ensure that the antenna has a wide angle view of the sky. If it is old you will have to start looking for connection problems. This is usually the case when the fault is intermittent. Check for possible water damage and loose or less than adequate connections. Also ensure the cable is in a good condition.

Apr 03, 2010 | Raymarine C120 System Pack C120 Raystar...

3 Answers

I got a raytheon sl70 pathfinder gps that wont get a fixed signal the antenna is wired right but there dosent seen to be power comeing out of the cord that leads to the antenna. what should i do ????? i...


If you're using a raystar 125 antenna, you will have to power the red wire + and the shield wire - separately. Sl70's don't provide power over seatalk. Also make sure your green and brown wires are properly connected. If it's a 120 just power the red and sheild(black) and leave off the all except the yellow that's your data. If you still have nothing may probably have a problem in the antenna itself.

Jan 20, 2010 | Raymarine RL70CRC GPS Receiver

1 Answer

Machine does not acquire its GPS position. If it does it can take up to 45 mins to achive. Can I put an external antenna on it? The unit is used in an open boat, so has clear access to the sky, so should...


your antenna is probably original and obsolete see if you have a RayStar 120, if so, it is junk. The RayStar 125 is plug and play for you and sells around 300. Your GPS is a self contained receiver, that means it uses 12 V and output computer language. If you have no power to the seatalk antenna, you get nothing. If it is intermittent as you describe, 90% chanace it is the antenna, (mushroom or puck). 847-746-0100

Dec 28, 2009 | Eagle Seacharter 502c Df Igps T/M, Hst...

2 Answers

My Raystar 120 GPS keeps losing its fix.... the fix comes b ack a few minutes later, but then i lose it again. I have tried a cold restart, but the problem persists. Ideas?


Guys, most likely the litium battery is eol. Buy a new litium 3 volts battery for 3-4 euro's with soldering points . Use a pair of scissors, note the plus and minus side of the poles and carefully cut out the battery leaving enough metal to solder a replacement battery. Solder the replacement battery, and the problem is fixed. You're ready for another 6 years of fun saving 300 USD for a new GPS!

Oct 10, 2009 | Raymarine Raystar 120 GPS Receiver

1 Answer

Raymarine looses GPS fix


A software upgrade will do a world of good for the unit, however it may not take care of your GPS fix issue. Usually when you have satellites showing and no fix, that indicates a bad antenna. Check the LED indicator on the antenna, it should be green. The RS125 has a connector plug on the antenna end so it is nice and easy to buy a new one and give it a try. The software is free and a good start.....and yes you need to do a reset after the upgrade by holding the first soft key as you power on the unit. It will give you a factory reset countdown. Simply hold that soft key until it is done and begins the reboot.

Jul 10, 2009 | Raymarine C120 System Pack C120 Raystar...

2 Answers

Problem getting a proper fix


The antenna should be replace by raystar 125.

Regards
Michel

May 31, 2009 | Raymarine RL70CRC GPS Receiver

4 Answers

GPS antenna


If it is an RS 120 or an RS112 antenna you do not need to change it.These are both active antennas in other words they do all the gps computing in the unit itself. You need to look at the wire from the antenna. If it is a coax cable(2 wire) it will not work.If it is 3 or 4 wires it will work. If 3 wire (red ,silver yellow) just hook up color for color.If 4 wire you are going to have to figure out the wiring for it from the units wiring diagram.That could be a big enough pain that you might be inclined to change to the new antenna. If you wire the new RS125 antenna you must wire it to the seatalk buss. The seatalk wires are Red Silver and Yellow.The wire from the RS125 are red yellow silver green and brown.Wire as follow to your sea talk cable.Yellow to Yellow, red to red , silver to silver, green to red, brown to silver.
Hope this helps.

Jun 04, 2008 | Raymarine C80 GPS Receiver

4 Answers

Raytheon rl70


I've had the same problem. before replacing the antenna, try to reset the antenna by removing power to the Raystar 120. Disconnect power by either turning off all batteries or disconnecting the red wire from the antenna at the point where it enters the junction box for the chartplotter. This action effectively removes all memory from the antenna and resets it to factory settings. There is a lithianium battery in GPS antenna that holds memory data in the antenna. Disconnecting the power to the antenna for a few seconds clears the memory.

This is exactly what I did and when I turned the chartplotter back on, my Raystar 120 immediately began working again.

May 05, 2008 | Raymarine RL70CRC GPS Receiver

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