Showing posts with label sound. Show all posts
Showing posts with label sound. Show all posts
Saturday, November 8, 2014
Nokia 3500c Hands Free Ringer Speaker No Audio Sound Solution
Heres the solution for NOkia 3500 classic No Hand Free Speaker sound can be heard repair solution. If you ever tried checking and ensuring that loud speaker seem working but still there is no audio sound can be heard on the device when hands free is activated. This solution shows particular PCB board components that may possibly faulty or damaged and cause the Nokia 3500 not have an audio sound output over the speaker.
Ensure the speaker is working, replace if the sound is distorted.
Check the connected filter coils on the circuit, replace if found damaged.
Trace the line paths, mend a jumper wire if found open circuit.
If the line paths and the filter coils are okay, rework the audio IC (RETU). Replace if does not solved the problem.
Nokia 3500c Hands Free & Ringer Speaker No Sound Solution
Ensure the speaker is working, replace if the sound is distorted.
Check the connected filter coils on the circuit, replace if found damaged.
Trace the line paths, mend a jumper wire if found open circuit.
If the line paths and the filter coils are okay, rework the audio IC (RETU). Replace if does not solved the problem.
Friday, August 29, 2014
Nokia C1 Solution C1 01 Earpiece Speaker No Audio Sound
Heres the solution for Nokia C1-01 Earpiece Speaker problem that has no audio Sound can b heard on it during a call is made. If this problem there is a possibility the earpiece speaker is already busted or damaged due to audio signal overdrive. Some factors are of dirty or oxidation build up on the earpiece terminal contact pads.
This solution below shows which particular components needs to be check for hardware repair troubleshooting.
This solution below shows which particular components needs to be check for hardware repair troubleshooting.
Nokia C1-01 Earpiece Speaker Solution
Hints for repair:
Check the earpiece speaker first by using a multimeter set to X1, you can hear a crackling sound when hitting the two terminal with the testers probes.
Clean the earpiece terminal contact pads on the C1-01 PCB board.
If the earpiece speaker is working and the contact pads is already cleaned but still the problem still exist. You may used the solution above and check those highlighted components, it is composed of filter coils, an ESD protection resistors and bypass capacitors.
Check the earpiece speaker first by using a multimeter set to X1, you can hear a crackling sound when hitting the two terminal with the testers probes.
Clean the earpiece terminal contact pads on the C1-01 PCB board.
If the earpiece speaker is working and the contact pads is already cleaned but still the problem still exist. You may used the solution above and check those highlighted components, it is composed of filter coils, an ESD protection resistors and bypass capacitors.
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