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REFERENCE Samsung A50s No Sound in Youtube and other media FIXED!

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Samsung A50s walang sound sa youtube, facebook and others pati earpiece at mic not working.

See video

Before
https://www.youtube.com/shorts/2wPrJ8oRIho

Basic steps na ginawa (unsuccessful)

1.) Pinalitan mic
2.) Pinalitan earpiece

Since unsuccessful ung basic steps natin kaya proceed tayu sa motherboard troubleshooting

Open Borneo Schematics at tignan kung san ba nanggagaling ang signal nang mic at earpieceCapture.PNG
At d2 makikita ang rail nang mic at earpiece, galing sa codec ic. pero hindi tayu agad nag change nang codec ic, troubleshoot muna and found out shorted yung 3.3v nang codec.

So d2 nman tayu next sa voltage injection, since 3.3v sya nag inject lng ako nang 1.3v 2ampere para safe, sa ilalim nang thermal camera
IMG20230724165449.jpg
IMG20230724165409.jpg
So ito nakita na natin yung area na may temperature change sa thermal cam pero wala tayung tatanggalin jan

Ito na yung Tricks na ginawa ko, since nag inject tayu nang 1.3v 2ampere, ginawa ko nag inject ulit ako 1.3v 3.5ampere and here's the result :cool:
IMG20230724143529.jpg
IMG20230724145419.jpg

IMG20230724143604.jpg

After voltage injection (Current lng pinalitan ko pero same voltage) nawala na yung short to GND at working na dn earpiece at mic pati media sound



See Video

AFTER

https://www.youtube.com/shorts/cOsu9fYare0



Thanks for Viewing :cool:
 
Last edited by a moderator:
Samsung A50s walang sound sa youtube, facebook and others pati earpiece at mic not working.

See video

Before
https://www.youtube.com/shorts/2wPrJ8oRIho

Basic steps na ginawa (unsuccessful)

1.) Pinalitan mic
2.) Pinalitan earpiece

Since unsuccessful ung basic steps natin kaya proceed tayu sa motherboard troubleshooting

Open Borneo Schematics at tignan kung san ba nanggagaling ang signal nang mic at earpieceView attachment 25067
At d2 makikita ang rail nang mic at earpiece, galing sa codec ic. pero hindi tayu agad nag change nang codec ic, troubleshoot muna and found out shorted yung 3.3v nang codec.

So d2 nman tayu next sa voltage injection, since 3.3v sya nag inject lng ako nang 1.3v 2ampere para safe, sa ilalim nang thermal camera
View attachment 25070
View attachment 25069
So ito nakita na natin yung area na may temperature change sa thermal cam pero wala tayung tatanggalin jan

Ito na yung Tricks na ginawa ko, since nag inject tayu nang 1.3v 2ampere, ginawa ko nag inject ulit ako 1.3v 3.5ampere and here's the result :cool:
View attachment 25071
View attachment 25072

View attachment 25073

After voltage injection (Current lng pinalitan ko pero same voltage) nawala na yung short to GND at working na dn earpiece at mic pati media sound



See Video

AFTER

https://www.youtube.com/shorts/cOsu9fYare0



Thanks for Viewing :cool:
Salamat sir sa pag share
 
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