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Author Topic: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC  (Read 3383 times)

Fernando Lucchesi

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #10 on: August 19, 2016, 06:56:38 pm »

It has began, after a couple of hours turned on



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Fernando Lucchesi

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #11 on: August 19, 2016, 07:01:12 pm »

Given the time is takes to start failing, could it be related to some component overheating?

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Fernando Lucchesi

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #12 on: August 19, 2016, 07:21:55 pm »

So I decided to take a peek under the Hood and this is what I found
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Jason Glass

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #13 on: August 19, 2016, 07:28:26 pm »

You might want to try re-flashing the firmware before sending it in for repair.

Sent from my mobile phone. Please excuse the inevitable spelling and grammatical errors.

Cameron Stuckey

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #14 on: August 19, 2016, 10:54:43 pm »


Side-bar: Sennheiser really does not want you knowing what those chips are, those look to be scraped by hand.
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Ike Zimbel

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #15 on: August 19, 2016, 10:59:42 pm »

Given the time is takes to start failing, could it be related to some component overheating?

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I would open another one and see if that component that looks like it leaked goo all over the board looks the same or similar. I can't quite make it out but is most likely an electrolytic cap that went bad. A picture of a good board would help clarify things (or, you may find that you have other units that are on the verge of the same failure).
On the repair side, you can try and clean the goo off with a some isopropyl alcohol and a cotton swab (probably many swabs), Between that and figuring out what that component is, you might have a chance of fixing it. If not, those 700MHz systems are all illegal in North America, so there may be folks here who would happily sell you a replacement. I had a client just a couple of months ago who had one...said he was going to toss it but maybe he never got around to it.
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Fernando Lucchesi

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #16 on: August 20, 2016, 01:52:11 am »

Here it is. The fine working fellow.



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Fernando Lucchesi

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #17 on: August 20, 2016, 01:54:43 am »



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Scott Holtzman

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Re: [QUESTION] SENNHEISER - EW135-G3 - INFINITE SYNC
« Reply #18 on: August 20, 2016, 04:58:31 am »



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Clean the board with some flux stripper and replace that cap.  It will probably work gooder.

Hard to believe that tiny cap had that much goo in it. (maybe they used a Tardes cap by accident)

« Last Edit: August 20, 2016, 05:00:35 am by Scott Holtzman »
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