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Flow Chart of Troubleshooting
9-20
9-11. PCS Receiver
RX ON
Cell Power : -60dBm
PAM100 Pin15
≥
-65dBm
Yes
Resolder L104, C105, L100
No
Yes
No
Check PAM100
pin8=L, 10 =H
PAM100 Pin17
≥
-68dBm
Check ANT Switch
control circuit
No
Yes
Resolder PAM100
Yes
No
Resolder F100
F100
pin8, 9
≥
-70dBm
Yes
UCP
200
pin E1
≥
-70dBm
pin D1
≥
-70dBm
Resolder C113,C115,L106
No
Yes
Check & Resolder
C108, C207, C208, C201,
C202
And PMU Part and UCP2
00
Yes
END