The port where my power jack plugs in is 'wonky' and only makes intermittent contact. My suspicion is that the last time it was stored, there was tension on the jack, causing partial separation from the board. I am having difficulty getting the unit apart however. I have the front handle plate off, about 8 screws, plus another near the antenna mount. I am stuck at this point. Any help in this regard would be appreciated, as this unit was used only a few times and am hopefully looking forward to enjoying it some more.
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Check the antenna plug in in the back of the unit ! There is a very fine wire that sticks up in the middle of that jack ! It is very easy to bend it over losing a good solid contact to the antenna ! Also these things run very hot ! Carefully remove the speaker grills and the two screws they cover. Then you can open them up and drill cooling holes in the housing to let them shed some heat !
No batteries wont make a difference.
But the type of area you are in will.
Such hills mountains trees and also if there is a antenna near for cell reception.
If you have cell reception you shouldn't have a problem.
But hills, mountains, and trees pose a problem for signals that are wave lengths.
After dissassembling my subxr2, I have come to the conclusion that the issue with my antenna not being detected is in the female contact of the antenna's plug, not with the connector in the box (as I expected to find). I have not yet verified this by trying a new antenna. Here is how to dissassemble the box in any case.
Very carefully, with a small very flat screwdriver, remove the front grille of the unit. There are 8 additional screws set in deep holes that need to be removed. Once done, the front panel will pop right off.
The inside of the case is a mess of wires. You do not need to disconnect them if you do not want to.
Pry the grill off the bottom of the box. Remove the 4 screws that hold in the speaker. This will allow you to move the speaker that is in the main body out of the way.
The antenna jack is _not_ a part of the circuit board. If you look into the box, you will see a rectangular cut-out in the edge of the circuit board. There is a wire with a silver connector that is held in place by 2 screws. Remove those screws and you are now holding the antenna jack.
Be sure all is charged and connected to power correctly. Next the only other thing you can really do is to clean the connections on the device and the dock useing denatured(rubbing)alcohol and q-tips. This should help. Good Luck
P.S. Make sure all the settings are correct both on the dock and the xm - radio. Sometimes there are settings that can be off. Good Luck