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Flow Chart of Troubleshooting
9-22
9-15. DCS Transmitter
Resolder L101, L105, C105, C106
UCP200 pin
W12,W13,W14,W15
≥
2.8V
PAM100 Pin20
≥
25dBm
TX ON (0Level)
Check PAM100
pin16 = H (2.6V),
pin12 = L
PAM100 pin11
≥
25dBm
PAM100 pin11
≥
25dBm
Change or Resolder PAM100
Check ANT Switch
control circuit
Resolder or Change
R106, R107, R108
UCP200 pin
E1,D1,G1,F1
≥
0.2Vp_p
Yes
heck & Resolder
UCP200,
C206,C207,C210,C211
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
END
Check UCP200
Resolder UCP200
Yes