Pcs Receiver - Samsung GT-S3650 Service Manual

Flow Chart of Troubleshooting

9-12. PCS Receiver

RX ON
Cell Power : -60dBm
Yes
PAM100 Pin31 ≥ -
65dBm
Yes
PAM100 VC1, VC2
≥ -68dBm
Yes
PAM100
pin 14 ≥ -70dBm
pin 24 ≥ -70dBm
Check UCP200
END
①
No
Resolder PAM100, C116, C119,
No
③
No
Resolder L102,L106
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C121
Check PAM100 pin16,
pin17 = L
Yes
9-20
No
Check ANT Switch
control circuit
②
Resolder PAM100