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SGH-X481 Flow Chart of Troubleshooting
2-9
2-1-5. Speaker Part
Check the connection
status of LCD connector
CN200
There is no sound from speaker
Are there any signal at
the speaker pad on LCD
PCB?
reconnect
CN200
Replace the speaker module
END
No
Yes
No
No
Yes
Check R402, R403 of
U402. Voltage is
≥
1V?
1
Yes
Check U500
2
Summary of Contents for SGH-X481
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