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Samsung SGH-F300 Service Manual page 43

Gsm telephone

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Table of Contents

Flow Chart of Troubleshooting

3-1-9. BLUETOOTH

BT connection disable

Check the S/W

check BT function ON

Is the Antenna of BT OK?

Change BT Antenna

check the BT_EN R120

replace UCP300

R120 is High?

Is the voltage 1.8V

Change BT Antenna

at C140 or at pin#3 of U103

END

3-23

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