Pcs Receiver - Samsung SGH-L600 Service Manual

9-16. PCS Receiver

RX ON
RF input : CH center freq : +67.7kHz
Cell Power : -60dBm
Yes
F100 Pin13
≥ -65dBm
Yes
F100 5,6
≥ -68dBm
Yes
osc100
pin 20 ≥ -70dBm
pin 21 ≥ -70dBm
Yes
osc100 pin 4,5,6,7
≥ 0.2Vp_p
Yes
Check UCP200
END
No
Resolder RFS100,C101,L100
No
No
Resolder C100, C102, L103
No
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Check F100
pin9,pin11 = L
Yes
osc100pin16,17,29,
32,36 ≥2.8V
pin 10≥1.8V
Yes
9-25
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Resolder F100
No
Check & Resolder
U101,
C118,C121,C123,R105
And PMU Part
Resolder U101