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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-15
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3-1-7. Speaker Part
Speaker dose not work
Check the pin #2 of U400
="Low"
Check the pin #4, 16 of U400
Check the pin #48,49 of
CN100
Is Speaker O.K?
END
Check the UCP200 & R406
Check or Change the UCP300
& C435,C436
Check or Change the U400, U401
Check the CN100
Change the LCD module
Check the LCD
module connection
Check the pin #C1, D1 of U401
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Summary of Contents for SGH-S720i
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