Flow Chart of Troubleshooting
9-
10
9-1-5. Microphone Part
Microphone does not work
Check the
assembled status of
microphone.
Reassemblage microphone
NO
YES
resolder or change
(
R409
,
C414
,
R408
,
C409,R
445)
Check the reference
voltage on mic path
R409=2.4V
NO
Is microphone ok?
YES
Check
U300
NO
YES
END
Summary of Contents for SGH-X810
Page 54: ...PCB Diagrams 8 4 ...
Page 56: ...Flow Chart of Troubleshooting 9 2 ...
Page 67: ...Flow Chart of Troubleshooting 9 13 ...
Page 76: ...Flow Chart of Troubleshooting 9 22 ...
Page 80: ...Flow Chart of Troubleshooting 9 26 ...