A520f no sound in earpiece. - GSM-Forum

DEREK12345 · 03-03-2020, 12:42

pcb look perfect
no sound in earpiece.
any schematic or solution?
earpiece is good , 25 ohm

kammy6000 · 03-20-2020, 22:46

did you check the 2 pins that need conduct with the speaker flex ?

any headphone jack interference?

03-03-2020, 12:42	#1 (permalink)
DEREK12345 Freak Poster Join Date: Oct 2005 Location: POLAND Age: 43 Posts: 104 Member: 186115 Status: Offline Thanks Meter: 4	A520f no sound in earpiece. pcb look perfect no sound in earpiece. any schematic or solution? earpiece is good , 25 ohm

03-20-2020, 22:46	#2 (permalink)
kammy6000 Freak Poster Join Date: Mar 2007 Location: u.k Posts: 327 Member: 467279 Status: Offline Thanks Meter: 42	did you check the 2 pins that need conduct with the speaker flex ? any headphone jack interference?