Sennheiser ew100 g2 antenna replacement/update

V

video652

Well-known member
I have replaced the antenna on my ew100 g2 receiver, but can't get the screws out the back of the transmitter to replace the antenna. Does anyone know where I could send it in to get the antenna replaced? Sennheiser doesn't service the g2 anymore.Sennheiser repaired.jpg
 
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The G2/3/4 uses star head (aka, Torx ) head screw, which look somewhat like a rounded out Phillips head screw. The Torx driver (Craftsman 41480) I use for G2s is imprinted with 'T6' on it. My G3s however use a larger T8 head size. (I recall someone stating, the G2 was T5 so I would take it to your local hardware store to check). IF the screws head is in fact rounded out, you will have use a drill to remove the screw's head. After separating the two case halfs, remove the remaining stud. If the stud can't be removed, the case (or part of) would need to be replaced. I don't know if an "easy out" (automotive type tool) would work with something that small and shallow.
 
The screws are stripped and the Torx 5 or 6 will not loosen them. I found a company, Location Sound Corp, out of Hollywood, Ca. that will remove the screws and replace the antenna for me. If I could have gotten the screws removed, I could have soldered the antenna myself. Thanks very much for both response. Well appreciated.
 
Location Sound is a respected outfit. Used them numerous times over the past decade. Good service, good advice. Hope things work out.
 
Beware drilling out small metric threads - you can remove the head easily but the thread insert is extremely tricky to drill out and re-cut. If they will do it for you for even a larger cost than you hoped, it's worth it until you come up to the value of the receiver. Good luck. I tried to do this myself, and would now PAY somebody else. It was extremely tricky. You really need a bench press and a recapping kit that can be used in the press to keep it vertical.
 
I would not "drill out" a screw on anything like this. Maybe as a total last resort but the screw is much harder that the case and you are far more likely to trash the thing than get the screw out. A larger screw and there are drill options but here I would use other methods. Again on something larger one might weld an extension on the head and use that. It sounds like some, I won't say idiot, tried to remove the torx with a philips screwdriver. THey would have had to really work at it to totally destroy the TORX since it has straight sides and philips is pointed, but I guess they could have used a too large philips? If there was no way to get a grip I might try some epoxy and glue an extension on. I have used a small cutter and cut a slot in stripped out screws. An easy out that small is not likely, but a "left hand" drill bit might work. The other thing is to use something like a pin punch and give the screw a bunch of taps. That should loosen the threads.

The biggest catch is just about everything one would do to mechanically solve this are things one should not do around electronics. Oil, impact, heat are all bad for the internals, so you have to play with it and see what works.

Good choice sending it to a shop. They will have the right toys to get the screws out.
 
The screws are not totally stripped. They are in so tight that the proper torx starts to turn without the screw turning. This is why I stopped trying to remove it. Thanks for all the advise.
 
What's the estimate for the repair? Any chance you can find a used G2/G3 RX in the right block for about the same $$?

Good luck and let us know how things work out!
 
video652 said:
The screws are not totally stripped. They are in so tight that the proper torx starts to turn without the screw turning. This is why I stopped trying to remove it. Thanks for all the advise.
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In that case if I was trying to do it I would A) press really hard down on the screws and give the screwdriver a few taps while applying some counter clockwise force. Threads can seize over time and impact can loosen that. It's probably what the shop will try first. People often don't press down hard enough on screws. It seems counter intuitive but if you think about it all the holding force is on the top of the threads, any pushing you do reduces that force a bit. Impact tends to break contact and loosen things up. Works on jars you are trying to open as well.

good luck.
 
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