Table of Contents
Advertisement
SGH-X120 Flow Chart of Troubleshooting and Circuit Diagrams
6. Speaker Part
There is no sound from speaker
Is the terminal of speaker
YES
Are there any signal
at the pin #5,7 of U401?
YES
Pin #4 of U401
is Low?
YES
Check U402
is O.K?
YES
The type of sound from
the speaker is Melody?
NO
Check
U201,
U401
NO
SAM SU N G Pr opr i et ar y- C ont ent s m ay change w i t hout not i ce
This Document can not be used without Samsung's authorization
NO
Replace the speaker
Are there any signal
at the pin #3,9 of U401?
NO
Pin #4 of U401
is High?
NO
Check U200
END
2-6
NO
YES
YES
Advertisement
Table of Contents
