LG KG271 - 4.2 TX Trouble

4. TROUBLE SHOOTING
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4.2 TX Trouble
U400
SW400
U102
FL400
X101
FL401
Check point
DCXO(X101)
Setup Test Equipment
Cell Power : - 74dBm
GSM850 CH190
PCS CH661
Re-Download S/W & RF
CAL
Check point
ULC2(U102)Outp
ut Signal
Check point
PAM(U400)
Control Signal
Check
ASM & Mobile
S/W & SAW
(FL400,SW400
,FL401)
TEST POINT CHECKING FLOW