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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-39
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9-5. EGSM TX
PIN28
PIN27
PIN1
PAM100 PIN8
≥ -5dBm
F102 PIN4
≥ -15dBm
Re-solder RFS100,
L101, C102
U101 PIN55
≥ -15dBm
Check PAM100
PIN28=H, PIN27=L
PIN1=L
Re-solder F102,
R107, R108
R109, C112
Check Antenna
Switch Control
Re-solder or Change
PAM100
YES
YES
YES
YES
NO
NO
NO
TX ON(5 level)
Check U101,
UCP300
END