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9-15. PCS Transmitter
TX ON (0Level)
Yes
PAM100 Pin17
≥ 25dBm
No
PAM100 pin29
≥ 25dBm
No
PAM100 pin29
≥ 25dBm
No
U206 pin
E1,D1,G1,F1
≥ 0.2Vp_p
Yes
Check U206
END
Yes
Resolder L101, L105, C105, C106
Yes
Yes
Resolder or Change
No
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Check PAM100
pin13 = H (2.6V),
pin12 = L
Yes
R109, C113, L107
U206 pin W12,W13,
W14,W15 ≥ 2.8V
pin 10 ≥ 1.8V
Yes
9-22
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Change or Resolder PAM100
No
heck & Resolder
U206, C206,C207,C210,C211
Resolder U206
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