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Level 3 Repair
8-18
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8-3-6. sub Microphone
Resolve or change
submic_sensor_FPCB
Check sub microphone function
Check the
submic_sensor_FPCB
connector HEA402
HEA400 connect
Connect submic_sensor_FPCB to HEA402
No
Resolder or change the component U402
No
Check the Voltage at
C
443 = 2.8V
No
Resolder or change the component U401
Check the Voltage at
R407 = 2.8V
Check component soldering
status at
C418,C423,C419,C404,
L402,L403
Resolder components
No
Check component soldering
status at
R418,R419,C466,C425,R422,
L405,L407,C433,C434
No
Resolder components
Check the Voltage at
C406 =1.8V, C409 = 4V
No
Resolder components
END
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Summary of Contents for GT-I5800
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