Here’s the Sony Xperia Z1 C6903 solution for not working ringer, buzzer or hands-free speaker problem. This solution may help on how to troubleshoot and repair the phone handset.
To repair the Sony Xperia Z1 hands free speaker, you may first clean the speaker terminal contact pads on the PCB board if there is a corrosion and oxidation build up., then check the speaker using a multimeter to easily determine if it’s working or not. Replace a damaged speaker if found. If the speaker confirmed okay, you may refer to the solution below and do have a check and test procedure on some components which is associated or connected with the hands-free speaker circuit.
The picture above is about how to repair the Sony Xperia Z1 C6903 ringer buzzer problem, it can not make a sound, bad sounds .to make improvements please follow the instructions in the image above. try to check the red and green lines on the image above. if the second line is normal then you try to change ringer ic like the picture above. Thank you for visiting IMET Mobile Repairing Institute blog about Sony C6903 Ringer Buzzer Problem. you may also want to try other tricks
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Sony Xperia Z1 C6903 Ringer Solution Jumper Problem Ways Ringer Not Working
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