Blackberry 9300 buzzer sounds and music not out, before you execute the further you check or replace the first speaker, and track its path, there may be broken or pin of solder worn-out, check the pin towards the speaker, make sure all ok.lihat the image below.
Look carefully its lines, check that led ic power U712, L710 and checks also L711.if all you have checks and apparently not sound well, the possibility of audio ic (u703). you change, do not blow too hot .good work
Look carefully its lines, check that led ic power U712, L710 and checks also L711.if all you have checks and apparently not sound well, the possibility of audio ic (u703). you change, do not blow too hot .good work
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