User Guide

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SGH-E810 Flow Chart of Troubleshooting
2-5
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5. Speaker Part
Is the terminal of speaker
is O.K?
NO
Replace the speaker
Are there any signal
at the pin #1,3 of CN503?
NO
Check the SPK module
& Replace CN503
There is no sound from speaker
YES
YES
Thetypeofsoundfrom
the speaker is Melody?
YES
NO
Are there any signal
at the pin #5,7 of U201?
Are there any signal
at the pin #3,9 of U201?
Check
U201,
U304
NO NO
Pin #4 of U201
is Low?
Pin #4 of U201
is High?
Check U200
Check U300
NO
NO
YES
YES
YES
YES
END