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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-19
9-10. GSM900 Receiver
RX ON
Cell Power : -60dBm
PAM100 Pin15
≥
-65dBm
Yes
Resolder L113, C110, L114
No
Yes
No
Check PAM100 pin8,
10 = L
PAM100 Pin18
≥
-68dBm
Check ANT Switch
control circuit
No
Yes
Resolder PAM100
Yes
No
Resolder F100
F100
pin 7,6
≥
-70dBm
Yes
UCP201
pin G1
≥
-70dBm
pin F1
≥
-70dBm
Resolder C118,C119,L110
No
Yes
Check & Resolder
C108, C207, C208, C201,
C202
And PMU Part and UCP201
Yes
END