- Feb 1, 2018
- 7
- 0
- 1
The sound on my phone (both earpiece and speaker) has gone scratchy (look here
https://forums.androidcentral.com/ask-question/866107-lg-4g-vs985-4g-lte-sound-scratchy-earpiece-spekaer.html?mn_qa=1#post6151719
for more details on this issue.)
Since both have the same symptom that started the same day, I am assuming there is a common failure point and that is the DAC or the OP Amp after the DAC (if the OP Amp is not built into the DAC.)
Does anyone have experience replacing the DAC (or if one exists, the OP Amp?)
Schematics would be nice, pictures would also be nice. I am fully capable of reworking SMT devices.
Thanks, Mark.
https://forums.androidcentral.com/ask-question/866107-lg-4g-vs985-4g-lte-sound-scratchy-earpiece-spekaer.html?mn_qa=1#post6151719
for more details on this issue.)
Since both have the same symptom that started the same day, I am assuming there is a common failure point and that is the DAC or the OP Amp after the DAC (if the OP Amp is not built into the DAC.)
Does anyone have experience replacing the DAC (or if one exists, the OP Amp?)
Schematics would be nice, pictures would also be nice. I am fully capable of reworking SMT devices.
Thanks, Mark.