LG KP105 - TX Trouble

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4. TROUBLE SHOOTING
4.2 TX Trouble
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Only for training and service purposes
Check point
DCXO(X101)
Setup Test Equipment
Cell Power : -74dBm
GSM950 CH62
DCS CH690
Re-Download S/W & RF
CAL
Check point
ULC2(U103)Outp
ut Signal
Check point
PAM(U401)
Control Signal
(TP1,2,3)
Check
ASM & Mobile
S/W & SAW
(SW400
,FL401)
U401
SW401
U103
X101
FL401
TP3
TP1TP2
TEST POINT CHECKING FLOW