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t38G loud buzzing noise in handset
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flinty Away
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Post: #1
t38G loud buzzing noise in handset
Hello,

I have three Yealink SIP T38G.
Now two with the same Problem.
With a loud buzzing noise in hearer (earphone)

What can i do?
I have changed the hearer (earphone) und changed the Power Adapter.
It is not the Power Adapter and not the earphone.

I want to repair it self.
Witch cap or elko on the T38G Mainboard is broken?
Can someone help me to resolve a Problem?

best regards
(This post was last modified: 05-30-2016 11:01 PM by CWR.)
05-26-2016 03:07 PM
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Yealink_Michael Offline
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Post: #2
RE: t38G loud buzzing noise in hearer
hi

thanks for your information

have you tried to reset the phone to test again ?

is the noise just on the handset ? speaker and headset have no issue ?

it is happened once you pick up the handset whenever you are on a call or not ?
if yes, then it should be the hardware issue , it is advised to connect your phone provide for a RMA !

TKS & BR
Michael
Yealink Wiki : http://support.yealink.com/
05-26-2016 07:48 PM
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flinty Away
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Post: #3
RE: t38G loud buzzing noise in hearer
Thanks for your Answer.
I have reset 3x Times but nothing change. Buzzing noise is alway there.

Send it to RMA is too expensive. Because the Devices are older than 2 Years.
I want to repair it self.
05-26-2016 11:01 PM
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flinty Away
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Post: #4
RE: t38G loud buzzing noise in hearer
(05-26-2016 11:01 PM)flinty Wrote:  Thanks for your Answer.
I have reset 3x Times but nothing change. Buzzing noise is alway there.

Send it to RMA is too expensive. Because the Devices are older than 2 Years.
I want to repair it self.

Thanks for all.
I have found and replaced the defect component and now it works.
05-30-2016 02:25 AM
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