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© Samsung Electronics Co., LTD |
Confidential
Earphone problem
Ste
p
Check point
Result value
Defect point
1
Confrm the defect symptom
(*#0*# → Receiver)
-
-
2
Make a factory reset (*2767*3855#)
Solved
Setting error
Not solved
Go to the next step
3
Check the Earphone connector(HDC202)
Broken, dust, corrosion
connector
Normal
Go to the next step
4
Replace the Earjack module
(GH59-
13405A)
Solved
Earjack
Not solved
Go to the next step
5
Connect a LCD, and power on with a
power supply
(power supply voltage : 3.8V)
-
-
6
Activate the Speaker path
(*#0*# → Speaker(L), Speaker(R))
-
-
7
Check the signal of D204, D207
Notice. It should be measured when the
Earphone path is activated on
Same signal compared with a
good PBA
Earphone
No signal
Audio codec
(U204)
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