inner earpiece speaker replacement
#1
Hi,

I dropped my Pinephone a few days ago and have realised the inner earpiece speaker (not the main speaker at the bottom) has stopped working. I removed the mother board and reconnected everything but that hasn't changed anything.

This thread https://forum.pine64.org/showthread.php?tid=12046 has internal earpiece (and external) info:

Earpiece dimensions: 12x6x2 mm. Compatible with Xiaomi Mi2 / Mi3 / Mi4, Lenovo A536 and others.

What exactly am I looking for and can it be replaced without soldering? Apparently a fall is enough to break them.

I want to make sure I'm ordering the right part from e.g. ebay / amazon and that I can replace it.

Thanks!
Pinephone v1.2 UBports CE. Adelaide, Australia using Aldimobile SIM (Telstra network, VoLTE enabled) with Mobian SD card.
Manjaro Plasma Mobile on EMMC.
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#2
I presume this would work https://www.aliexpress.com/item/32849543193.html

I think it just fits into the slot for the existing earpiece speaker and the metal contacts sticking out will work with the existing phone, no soldering required.

If anyone has a link for the speaker phone, I might get a spare just in case as shipping from China is really slow! Cheers.

And the 3mm deep speaker e.g. from here https://www.aliexpress.com/item/32774466647.html ?
Pinephone v1.2 UBports CE. Adelaide, Australia using Aldimobile SIM (Telstra network, VoLTE enabled) with Mobian SD card.
Manjaro Plasma Mobile on EMMC.
  Reply
#3
I have successfully replaced the earpiece speaker. The two metal contact 'prongs' were thinner and not angled up as much so I bent them up slightly with a screwdriver.

I do get audio out of the earpiece but with the audio testing left and right speaker the volume is very low, definitely less than the original speaker. I thought the impedance / resistance would be the same and hence volume, too. It would be nice if Pine64 actually specified the exact compatible replacement part.

Anyone know what I can use with Manjaro Phosh to boost audio output beyond 100%? They don't use pulseaudio so pavucontrol doesn't work.
Pinephone v1.2 UBports CE. Adelaide, Australia using Aldimobile SIM (Telstra network, VoLTE enabled) with Mobian SD card.
Manjaro Plasma Mobile on EMMC.
  Reply
#4
(07-23-2021, 11:36 PM)dcinoz Wrote: I have successfully replaced the earpiece speaker. The two metal contact 'prongs' were thinner and not angled up as much so I bent them up slightly with a screwdriver.

I do get audio out of the earpiece but with the audio testing left and right speaker the volume is very low, definitely less than the original speaker. I thought the impedance / resistance would be the same and hence volume, too. It would be nice if Pine64 actually specified the exact compatible replacement part.

Anyone know what I can use with Manjaro Phosh to boost audio output beyond 100%? They don't use pulseaudio so pavucontrol doesn't work.
I'm don't know much about Pipewire (maybe try with pactl?), but have you checked if it might be a physical problem? Maybe the metal prongs don't make good contact or the speaker grill (if there is one) is dirty.
  Reply
#5
(07-24-2021, 01:48 AM)kqlnut Wrote: I'm don't know much about Pipewire (maybe try with pactl?), but have you checked if it might be a physical problem? Maybe the metal prongs don't make good contact or the speaker grill (if there is one) is dirty.
I tried with the second replacement earpiece speaker (same model) but the unfortunately result is the same. The motherboard contacts don't look evenly coloured/smooth but that is presumably where the original speaker made the contacts. Speaker contacts are fine otherwise there would be no sound. No dirt.

Upon reassembly the on/off button no longer does anything - I'll open another thread for that. Disappointed.

I set the volume to 150% using
Code:
pactl set-sink-volume 0 150%
but that didn't change anything.
Pinephone v1.2 UBports CE. Adelaide, Australia using Aldimobile SIM (Telstra network, VoLTE enabled) with Mobian SD card.
Manjaro Plasma Mobile on EMMC.
  Reply


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