
Fault description:In IPhone sometime ringer (buzzer) starts not responding so we can’t hear music and ringtone sound this problem mainly occurs due to damaged ringer but some time due to internally line missing on ringer track from ringer IC
Fault solution:For this problem solution we have to first check that weather sound profile is set to normal mode then try following methods:1. First try to do factory setting and check sound2. Secondly change the ringer and check sound 3. If no sound then check that weather incoming voltage is appearing...