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| Posted by zoe FM transmitter problem Hey all, My Nuvi 760w has the FM transmitter built in but no matter what FM station I tune it into, it never seems like it has enough power. It's all static and like fuzzy... I've tried moving the GPS around to no avail.. Anyone got any suggestions? Thanks |
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| Posted by chris.young FM Transmitter problem My 750 is the same way. The FM Transmitter is just really weak in all models. You can purchase a battery opperated FM Transmitter that will plug into the headphone jack and works great. Hope this helps |
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| Posted by ja97 RE: Nuvi 760w Fm transmitter problem I have the Nuvi 760 and have no problems with the transmitter. It works as long as I have the station set to what the Garmin says it should be on. I don't use it though because I have another FM transmitter hooked up; but I did try it. |
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| Posted by GDT More... Some posts are not listed here. See all posts here: FM transmitter problem GPS Data Team |
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| Posted by lzep FM transmitter - Solution I have read on GPS forums about the problem with the terrible FM transmitter on the Garmin nuvi (I have the 680 model). Unfortunately I didn't do any investigating before I spent the extra for a model with this lame feature. I tried one of the suggestions someone had about resetting the country of origin to a country which may allow a higher transmitter output. This did not work for me; perhaps that person had a different rev. of software which actually changed the power output. I did read that you could go into a diagnostic mode and actually change the output power but unfortunately you can not save the changed setting. I used this very useful tactic to determine if I could find out what changed in the transmitter section when the different power settings were engaged. After much tinkering I found that by lifting pin 4 of the IC marked BHTX or pin 6 of the IC marked S79 (same electrical connection) it would transmit at a higher power. I hope this helps those of you who do not like listening to hissing with your music. I tried to include a picture of the IC layout but have not figured out how to do that here. I don't know if this modification will cause any detrimental effects to the FM transmitter but if it totally destroys it, I'll call it a model 650. Remember your warranty is garbage if they can determine that you 'went in'. |
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| Posted by Jeff G Solution to FM Power problems
BertB, This FM transmission tip fixed my FM Transmitter strength from totally unuseable to almost perfect. Thank you |
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| Posted by bb liger FM transmitter Hi all, I have a garmin 765T and I found the following ways to get around the under-powered FM transmitter (w/o open up the unit) 1) Find and tune tune your radio and gps to vacant FM frequency in your area. Note: The distance between your gps and the car antena is crucial here. If your gps is far away from the antena then it's pretty much useless. 2) Use the old tape with 3.5mm jack that used to come with the car kit for portable CD player and plug that input into your gps audio output jack. 3) Buy at stronger portable FM transmitter and plug that into your GPS audio output jack (like some other members have mentioned) 4) If you don't listen to FM radio via your car antena (this apply to people with digital XM Sirus owner) then simply unplug your antena coaxial cable in the back of your stereo unit I used method #1 and got pretty good result (98% static free) but then I end up using method #2 b/c I don't use the tape deck in my car anyway and that's 100% static free :D Have Fun!!! |
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