SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-
15
This Document can not be used without Samsung's authorization
9-1-7. Mp3 Display Part
NO
Replace the Earphone
Are there any signal
at the pin #12,10 of U303?
NO
Check R201, R202, C212, C213
and ZD201
There is no MP3 sound from Earphone
YES
YES
YES
END
Check the UCP100
Are there any signal
at the pin #5,7 of IFC200?
Are there any signal
at the pin #14, 8 of U303?
NO
YES
Pin #16 of U303
is HIGH?
NO
YES
Pin 1, 13, 9 of
U303 is 2.8V?
YES
NO
Check
UCP100
Check
U303
END
Check U501
Are there any signal
at the pin #W17, AA17 of UCP100?
Check R322, R325, C330, C334, C331, C333
and R323, R324
NO
Summary of Contents for SGH-Z650i
Page 41: ......