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4. TROUBLE SHOOTING
5.Trouble Shooting
(RF)
Check TP 1
Over 21 dBm ?
No
Check TP 2
Over 21 dBm ?
N
o
Check TP 3
Over 21 dBm ?
N
o
Check TP 4
Over 8 dBm ?
N
o
Check ANT_SEL 0, 1, 2, 3
Check PAM Block
Refer to
4
.5.4
Yes
RF Tx Level is OK
Yes
Check TX Module
Yes
Check Duplexer
Yes
Check RTR 6285
RTR 6285 Maximum output Power = 7 dBm
RTR 6285 minimum output Power = -80 dBm
PAM (ACPM 5281) = Maximum input Power = 8 dBm(High Power Mode ), 5 dBm(Low Power Mode )
WCDMA Band I : Low, High, Low, High
WCDMA Band VIII : Low, Low, High, High
99P