Question about Magellan RoadMate 700 GPS Receiver

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No signal, is this an antenna problem ? Or is the unit not worth fixing.

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Re: No signal, is this an antenna problem ? Or is the...

It is not worth fixing,i had a 700 it worked until it loses sattlite signals.then i did my research and notice how many problems the 700. i decided to get the magellan mastreo 4000 and i bought roadmate 800,so get a newer model you will be happy that you did.

Posted on Jan 10, 2008

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Garmin Nuvi 680 GPS Receiver no satellite signal


The connection to the antenna is most likely broken.
This is one of the main issues with the flip up antenna on the nuvi 6xx models.
The unit could be sent to a repair depot, but would most likely cost more to fix than what it is worth considering the price of a new GPS in today's market.

Oct 21, 2011 | Garmin Nuvi 680 GPS Receiver

1 Answer

My satellite reception drops out, and by tapping the unit signal is reconnected, happens about every 5 mins. it is easy to fix i had it repaired once 2 years ago, Garmin centre near me has moved? where...

I have seen this on the Quest units also. The problem is most likely in the flip up antenna connection. If you or know someone who is fairly comfortable in soldering small electronic connections it is a fairly easy fix. First, you can verify the problem is in fact the built in flip up antenna but connecting an external patch type antenna to the antenna port on the back. If the problem goes away, then the problem is definitely in the built in antenna.
If you lay the GPS display side down with the flip up antenna to your right, take a small phillips screwdriver and removed the two screws holding the endcap in place. Gently remove the endcap and CAREFULLY pull the antenna horizontally away from the GPS unit. Once you have done this, you can see the antenna is actually two pieces. With a small jewelers flat blade screwdriver, GENTLY pry in between where the two portions of the antenna shell meet and separate the two pieces of the antenna shell. Once this is done, it will expose the antenna circuit board and the small brass looking antenna connector. If the problem is in fact with the antenna connector, it may be loose or come loose in the process of prying the antenna shell apart. Use a low wattage soldering iron and solder the connector back in place being careful not to bridge the solder points. Reassemble the antenna and reinstall it on your GPS. Again, if you are not comfortable working with small electronic solder connections or don't have the proper equipment, get someone who is.

Aug 31, 2011 | Garmin Quest GPS Receiver

1 Answer

I have a problum with my nuvi 610/660 not recieving satellite signals?

I have repaired literally hundreds of the 6xx series units with reception issues. In most cases, the problem is caused by a defective part on the GPS receiver board, located in the flip-up GPS/Antenna assembly.

In many cases, reception can be restored by connecting an external antenna to the unit. The defective part causes the unit to only look for signals at the external antenna port. In some cases, the part may prevent reception with both the internal or external antenna. In this case, the part must be replaced. Firmware upgrades will NOT fix this problem. It is a hardware problem caused by an electrostatic discharge.

For more information about this problem and how to have it repaired, please see this link:

- Jim

Nov 04, 2010 | Garmin Nuvi 660 GPS Receiver

2 Answers

No longer receives GPS signal

Does this unit have an input for an external antenna? If you get/borrow another antenna you could see if it starts working. That might isolate the problem to the antenna.

Jan 23, 2010 | Lowrance iWAY 250C GPS Receiver

1 Answer

The GPS appears to be stuck on & this drains the battery in about an hour when it is searching for satellites

Sounds like the spaghetti cable for the antenna is broken or has become unsoldered.... but to confirm...
Remove the reset probe from the top of the "pen" and insert it in the Reset hole in the back of the unit....

After the unit comes up, simply page over to the "obtaining satellites" page and see if you are getting signals. Of course you MUST be outside and you must NOT be under trees.

If no satellite data is received within 1 minute, your antenna (or its interfacing circuit) is not functioning.
At that point, repair is almost not worth it. You can get a new GPS for well under 100 bucks.... and Garmin will not even Look at your unit for that sum of money.

Nov 28, 2009 | Garmin iQue M5 GPS Receiver

2 Answers

Garmin etrex legend and external antennas

Check the Garmin website for external antennaes. I have this problem too, and get around it by placing the unit on my dashboard under the windshield. Never had a problem getting a signal there.

Aug 07, 2009 | Garmin eTrex Legend GPS Receiver

2 Answers

Garmin iQue M5, Not aquiring satellites

Two possibilities - Antenna (in power cable) or electronics related to antenna. First, do a hard reset. Place the pen top into the RESET hole for 3 seconds...
Next, when the unit is powered, page over to the screen showing satellite signal strength....

If NONE appear within 1 minute (and you are outside and NOT under trees), you have an antenna or antenna interface issue.

Garmin WILL repair the unit for 3 to 4 times its value... A 265WT GPS is cheaper, faster and more accurate. The IQUE is no longer worth repairing....

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3 Answers

Garmin astro 220 gps dogtracker

The antennas on the dog sender units had been over tightened, which resulted in the units internals being twisted and damaging the batterywiring. An easy fix once the units were disassembled and a lesson to be learnt: DON'T OVERTIGHTEN THE ANTENNAS ON THE DOG SENDER UNITS.

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No GPS signal?

I had this problem (waiting for a valid GPS signal). I did a factory reset and the unit started working again (yes, I lost all my settings, but what good is a GPS unit that just sits there waiting for a valid GPS signal?). To do a factory reset, go to menu -> change preferences -> Reset factory settings.

Jan 17, 2008 | Tomtom ONE GPS Receiver

2 Answers

Not receiving satellite signal.

1st check to see if an external antenna will work.

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