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Today's Topics:
1. Openmoko Bug #2335: GSM buzz on FreeRunner A7 (seven)
(Openmoko Public Trac)
--- Begin Message ---
#2335: GSM buzz on FreeRunner A7 (seven)
------------------------+---------------------------------------------------
Reporter: blindcoder | Owner: hardware
Type: defect | Status: new
Priority: normal | Milestone:
Component: hardware | Version:
Severity: major | Keywords: A7 gsm buzz capacitor
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible:
------------------------+---------------------------------------------------
There is a lot of GSM buzz on the FR A7 (recording attached).
I was trying the capacitor next to the microphone with a multimeter:
black cable to ground, red cable to right (close-to-mic) side with audible
resistance checker gives signal (short circuit), but when applying a bit
of force on red cable (connected to capacitor), audio signal stops,
indicating loss of connection on the capacitor.
Resoldering the capacitor gives way better audio quality on remote side
(person I'm calling).
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2335>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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