Samsung SGH-A500 Service Manual page 20

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SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
8. Alert Tone
Abnormal Alert tone
Alert tone On by pushing the key
*#0289#
Check the PIN 13,14 of
Check the circuit related to
CN302
U303
Is there alert wave?
Check the connection
from CN302 to the NAND
Change LCD module
of Speaker
Alert is ok?
Change Speaker
END
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