iPhone 6 no microphone - GSM-Forum

camillo90 · 03-08-2018, 21:48

Hi guys
I have iPhone 6 , during call not working microphone . I have change dock , and make other test but nothing .
Now I have change big audio ic , but the same problem . Any can help me?
Thanks

ninos22 · 03-08-2018, 23:26

Check this parts

1.
FL1881
FL1882

2.
C1021 (not grounded)
C1020

3.
C0923 (not grounded)
C0922 (not grounded)

camillo90 · 03-09-2018, 10:18

thanks for the help.
I have check , all it is ok.

ninos22 · 03-09-2018, 19:47

Quote:

Originally Posted by camillo90

thanks for the help.
I have check , all it is ok.

If microphone works in Voice recorded and other applications, so probably its baseband CPU problem (U_BB_RF)

Next steps,

1. remove U0900, check communication between CPU.

2. If U0900 communicates with CPU & J1817 try replace again.

3. After this reball BB CPU.

03-08-2018, 21:48	#1 (permalink)
camillo90 Major Poster Join Date: Mar 2017 Posts: 46 Member: 2700638 Status: Offline Thanks Meter: 4	iPhone 6 no microphone Hi guys I have iPhone 6 , during call not working microphone . I have change dock , and make other test but nothing . Now I have change big audio ic , but the same problem . Any can help me? Thanks

03-08-2018, 23:26	#2 (permalink)
ninos22 Freak Poster Join Date: Mar 2013 Location: Greece Age: 35 Posts: 425 Member: 1903358 Status: Offline Thanks Meter: 146	Check this parts 1. FL1881 FL1882 2. C1021 (not grounded) C1020 3. C0923 (not grounded) C0922 (not grounded)

03-09-2018, 10:18	#3 (permalink)
camillo90 Major Poster Join Date: Mar 2017 Posts: 46 Member: 2700638 Status: Offline Thanks Meter: 4	thanks for the help. I have check , all it is ok.