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© Samsung Electronics Co., LTD |
Confidential
Microphone problem
Ste
p
Check point
Result value
Defect point
1
Confrm the defect symptom
-
-
2
Check the microphone hole
Dust
Clean the hole
Normal
Go to the next step
3
Check the microphone rubber
Wrong insert
Re-insert
Normal
Go to the next step
4
Activate the speaker path
(*#0283# → Packet Loopback ON)
-
-
5
Check the MIC connector
(HDC701)
Broken, dust, corrosion
MIC connector
Normal
Go to the next step
6
Check the signal of TP_704
Notice. It should be measured when the
microphone path is activated on
Same signal compared with a
good PBA
Microphone
If not the correct value
AUDIO
CODEC(U204)
7
Check the signal of C204, C215
Notice. It should be measured when the
microphone path is activated on
Same signal compared with a
good PBA
Microphone
If not the correct value
AUDIO
CODEC(U204)
Содержание Galaxy Tab 3 8.0
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