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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
10-19
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10-1-8. Headset Part
Headset Function does not work
Check the
Pin 20,21 of UCD401 = some
signal on
No
Check UCD401 or Resolder
Yes
Check the
Pin 35,36 of UCD401=
some signal on
Check UCD401 or Resolder
No
Yes
Check the
Pin 5,7 of U409 = some
signal on
Check U409 or Resolder
No
Yes
Resoldering TA409,TA410
No
Check the
TA409,TA410 =
some signal on
Yes
Resoldering Ear401
No
Check the
Ear401 connection = Out of
orderornot
Yes
Check the Ear mic
= Out of order or not
Use other Ear mic
No
Yes
END