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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-17
F100 pin11
≥-62dBm
Resolder RFS100, C101, L101
F100 pin3,4
≥-65dBm
Check F100
pin10,14 = L
Check the ANT switch
control circuit
Change or Resolder
F100
U101
pin24,25≥-70dBm
Resolder C128,C129,L107
U101 pin4,5,6,7
≥0.2Vp_p
U101
pin11,12,16,17,29,
32,33,36
≥2.8V
Check & Resolder
C122,C124,C126
Check UCP200
END
Change or Resolder
U101
Yes
Yes
No
RX ON
RF input : CH center Frequency
Cell Power = -60dBm
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes