Table of Contents
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Flow Chart of Troubleshooting
9-14. PCS Receiver
RX ON
Cell Power : -60dBm
Yes
PAM100 Pin17
≥ -65dBm
Yes
PAM100 pin13
≥ -68dBm
Yes
U206
pin E1 ≥ -70dBm
pin D1 ≥ -70dBm
Yes
U206 pin
E1,D1,G1,F1
≥ 0.2Vp_p
Yes
Check UCP200
END
No
Resolder L101, L105, C105, C106
No
No
Resolder C114, C116, L108
No
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Check PAM100 pin30
= L
Yes
U206 pin
W12,W13,W14,W15 ≥
2.8V
Yes
9-21
No
Check ANT Switch
control circuit
Resolder PAM100
No
Check & Resolder
U206,
C206,C207,C210,C211
Resolder U206
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