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SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams
4-
9
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8.Alert Tone
Check the connection
from CN200 to LCD
Module
Check the circuit related to
U401
NO
Change Speaker
NO
Change LCD Module
NO
YES
YES
Abnormal Alert tone
END
YES
Check the PIN 17, 18 of
CN200
Is there alert wave?
Alert is ok?
Alert tone On by pushing the key
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