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Troubleshooting
Sound Problem
Step.
1
Confirm the defect symptom.
*#0*# → speaker
2
Replace the speaker, and also replace the Assy
3
case-rear to use a new speaker tape.
Activate the speaker path.
4
(*#0*# → Speaker)
Check the signal at two of speaker contacts.
(Using oscilloscope)
5
Notice : It should be measured when the
speaker path is activated on.
Check if the SPK is contacted to PBA well, and
6
assemble the phone again.
Check if the SPK is contacted to PBA well, and
7
If yes, replace the PMIC.
Check point
- This document cannot be used without Samsung's Authorization -
Result value
-
No sound
Normal
Solved
Not solved
-
Same signal compared with a
good PBA
No signal
Solved
Not solved
Solved
Not solved
Defect point
-
Go to the next step
S/W or Settings
speaker
Go to the next step
-
Go to step 6
Go to step 7
Assembly error
Go to step 3
PMIC
Go to step 3
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