Gsm850 Receiver - Samsung GT-E1085L Service Manual

Flow Chart of Troubleshooting

9-10. GSM850 Receiver

RX ON
Cell Power : -60dBm
Yes
PAM100 Pin15 ≥
-65dBm
Yes
PAM100 Pin18 ≥
-68dBm
Yes
F100
pin 7,6 ≥ -70dBm
Yes
UCP201
pin G1 ≥ -70dBm
pin F1 ≥ -70dBm
Yes
Check & Resolder
C108, C207, C208, C201,
C202
And PMU Part and UCP201
Yes
END
No
Resolder L113, C110, L114
No
No
No
Resolder C118,C119,L110
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Check PAM100 pin8,
10 = L
Yes
Resolder F100
9-19
No
Check ANT Switch
control circuit
Resolder PAM100