I have been asked to fix a Magellan Sportrack Map GPS unit that had a battery leak inside it. It appears someone has worked on it before me as the soldering on the wiring between the case and the circuitboard was pretty ordinary. Half of the wires were not connected so I am in desparate need of knowing which wire goes where. The silkscreened letters on the PCB are TRBGGE. When I first opened the unit the black -ve battery lead was connected to the E plated thru hole and the red +ve battery lead was connected to the R plated thru hole. I have little confidence in getting this unit to work but if I am to have a snowballs chance in hell it would help if I knew the wiring connections to the PCB - just the order of the colours from top to bottom would be great. The battery acid has left some oxidizationaround the screen connector but the connections themselves all apear to be working. I just have no confidence that the previous repair attempt connected the wires up correctly.
SOURCE: Satellite cannot locate my Magellan 700 - Please Help
All zeros ehh? nice.. :) I'm not sure that having that wire that was "loose" solderd on was a good idea. Pretty sure your talkin about the RF cable from the main board to you I/O card (the card with the power connections). this cable isn't supposed to be soldered on, although I don't see what it could hurt as long as the connection was good before the solder cooled. If you open the unit up.. (again) and take out the I/O card (power card) . Look on the back of that circuit card and make sure that there are three small ICs' in a row at the position that sits in the outter beveled part of the back cover. I know this is hard to explain, but basically, if your missing an IC chip and you can't find it, then there's no hope.. look at some of my other posts and try various software resets. if you find the small IC chip I'm talking about (somehow) then call that professional solderer guy back. Let me know. -Daniel
SOURCE: Magellan 700, lost signal found a causation. Need help
Bin the Magellan - nothing but problems when you need to update or resolve problems.. I am replacing my magellan with a Tomtom Go which does auto updates via a cradle linked to PC.
SOURCE: wire problem
Hi,
Might this help? 
This was originally posted here.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FixYa.
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