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Flow Chart of Troubleshooting
10-21
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PAM100
CHECK
pin#8
≥
-65dBm ?
10-2-3. PCS1900 RX
Band : PCS
CELL POWER : -50dBm
Channel : 661Ch
NORMAL CONDITION
catch the channel?
CHECK
ANT
contact ?
U200 Check?
PAM100 CHECK
pin#6
≥
-65dBm ?
TCXO CLOCK
CHECK?
19.2MHz @ C231
PAM100, RFS100
re-solder or change
PAM100
re-solder or change
TCX200, C231
re-solder or change
U200
change or re-solder
UCP300
CHECK!!
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
F103 CHECK?
F103
re-solder or change
YES
NO