The solution in this post for Oppo A37F Earpiece Ways ear speaker problem jumper solution, if having an audio problem with earpiece or receiver speaker. This solution will make your troubleshooting easy and quick.
Sometimes, it is easier to find a solution when you know where the problem lies. Without an idea of where the problem is, we may not be able to troubleshoot accurately and effectively.
If the earpiece is not working or no sounds can be heard on it, you may first manually check the receiver speaker using a multimeter. If the speaker is damaged replace it. A poor, distorted or garbled sounds is also an indication of a bad speaker. If the speaker is okay clean the speaker terminal contact pads, ensure that it has properly or good connection between the speaker’s terminal. Check the filter components, such as coils, and ESD diodes.
Ear Speaker Problems
- No sound in-ear speaker.
- Low Sound in ear Speaker.
- Distorted sound in speaker.
Oppo A37F Ear Speaker Ways Sound Problem Solution:
The two terminals of the speaker from the connector are connected to the diode.
In order to troubleshoot, all you have to do is to follow the following steps: Put jumper if it is faulty, as one of the reasons for this problem is that the phone heavily dropped or water damage. Check the diode by using a multimeter, if it is faulty then change it.
Hints to fix Oppo A37F Ear Speaker Ways or Audio Problem Repair Solution:
Check the Oppo A37F ear speaker way assembly for possible damaged and or misaligned. Use a multimeter to check it (How to use Multimeter), replace if already busted. If the speaker is okay, check and clean the speaker terminal contact pads. Corrosion might weaken and loosen the connection. Trace the speaker+ and speaker- connection to each certain components where it is being connected.
Check and replace the filter capacitor and resistor components.
Check and ensure first that ear speaker is working or already tried installing a replacement spare on. If the speakers were okay, you may then proceed to check those components showed on the solution above. There are filter coils connected on the circuit, you may first check this component
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