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© Samsung Electronics Co., LTD |
Confidential
Microphone Problem
Step
Check point
Result value
Defect point
1
Confirm 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
Check the MIC FPCB status
Abnormal
Speaker(R)-MIC module
Normal
Go to the next step
5
Check the voltage of C413
Notice. It should be measured when the
microphone path is activated on
2.8V
Go to the next step
If not the correct value
MIC LDO(U401)
6
Check the signal of C418, C419
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(UCD400)
Summary of Contents for GALAXY Note 8.0
Page 1: ...Samsung Electronics Co LTD Confidential HW Repair Guide GT N5100 Galaxy Note 8 0 March 2013...
Page 11: ...11 Samsung Electronics Co LTD Confidential Block Diagram...
Page 12: ...12 Samsung Electronics Co LTD Confidential Assembly Disassembly Instruction Assembly...
Page 13: ...13 Samsung Electronics Co LTD Confidential Assembly Disassembly Instruction...
Page 14: ...14 Samsung Electronics Co LTD Confidential Assembly Disassembly Instruction...
Page 15: ...15 Samsung Electronics Co LTD Confidential Assembly Disassembly Instruction Disassembly...
Page 16: ...16 Samsung Electronics Co LTD Confidential Assembly Disassembly Instruction...
Page 17: ...17 Samsung Electronics Co LTD Confidential Assembly Disassembly Instruction...
Page 24: ...24 Samsung Electronics Co LTD Confidential Charging Step2 3 U705 Charging IC C763...
Page 51: ...51 Samsung Electronics Co LTD Confidential Q A Question...