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2022年2月に発売されたSamsungのスマートフォン「S22 Ultra」の修理・分解情報。

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Why is my Samsung galaxy s22 ultra volume button not working!?

Hi, My Samsung galaxy s22 ultra volume physical down button not working after water damage!

Volume up button and power button works normal!

And phone works normal too!

After tearing down found no corrosions on any connections or on board except some white colour of corrosion on the back upper left corner on housing but not on any parts or circuit board other then that everything looks in very good condition !

also Zoomed in with my other s22 ultra micro zoom Camera and found no signsof corrosionon any parts!

I have Replaced volume and power button flex cable with brand new flex!

And also i have Submerged motherboard in isopropyl alcohol for at least 2 hrs.

Tauch cleaned with isopropyl where possible with eurbuds and on every connection!

All air dried.

Still can't seem to understand why the volume physical down button don't seem to work?

Any suggestions pls!

I have not submerged the cables yet?

As I don't see any link between volume button and display cables!

Could it be the motherboard! ?

Can u help me with ASAP pls!

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Maybe it’s the connected on the board something similar happen to my 3ds it probably the lock that holds down the ribbon cable

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I think you're on the right track with the Motherboard. More specifically, the Cirrus Logic CS35L40 Audio Amplifier IC on the Motherboard. The moisture probably short circuited a channel in this IC. Yup, time for some microsoldering.

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Mo abdul さん、ありがとうございました!
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