This post is for Samsung Galaxy S Duos 3 G316H Speaker problem solution. If your Samsung G316H Loud Speaker is not working this post can assist you in getting rid of the problem.
No Sound in Samsung Galaxy S Duos 3 Buzzer.
Low Sound in buzzer.
Reasons of Problems
Buzzer might be faulty.
Low sound and distorted sound normally occurs when there is dust on buzzer mesh or when the buzzer is faulty.
Coils might be faulty.
No continuity between buzzer contacts and coils.
Problem with the on-board connector of buzzer, however this happens in a very rare case, and there is a thousand in one chances that buzzer problem was due to problem with on-board connector.
Check the buzzer using a multimeter. Replace if already damaged. a distorted audio sounds is cause by a weak buzzer. or it is already burned out. (internal coil is damaged).
If the speaker is good and seems no problem, ensure that the terminal were not misaligned. Then clean the buzzer terminal contact pads for possible oxidation build ups (this might weaken the connection).
Check each of buzzer+ and buzzer- corresponding connection line paths accross to each components where it is being connected.
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