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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.2 TX Trouble
U401
SW401
U103
X101
FL401
TP3
TP1
TP2
Check point
DCXO(X101)
Setup Test Equipment
Cell Power : -74d Bm
GSM850 CH190
PCS CH661
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)
TEST POINT
CHECKING FLOW