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8-9
Trouble Shooting
8-3 Transmitter Section
Check RFT3100
PCS:PCSA_OUT(0~600CH)
PCSB_OUT(601~1175CH)
AMPS:CELLA_OUT
RF OUT Level
OK?
Ablormal
Transmitter section.
Check RFT3100
pin 19(C340)
RF_LO Level
(AMPS:-10dBm,
PCS:-10dBm)
Check PLL
OK?
NO
NO
NO
NO
YES
YES
YES
YES
Check
PCS:PA(U313)
AMPS:PA(U317)
Output Level
OK?
PCS:+26dBm
PCS:+26dBm
PCS:+26dBm
PCS:+26dBm
AMPS:+28dBm
AMPS:+28dBm
AMPS:+28dBm
AMPS:+28dBm
PCS:+9dBm
PCS:+9dBm
PCS:+9dBm
PCS:+9dBm
AMPS:+8dBm
AMPS:+8dBm
AMPS:+8dBm
AMPS:+8dBm
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
NO