Tx Trouble - LG KP105 Service Manual

4. TROUBLE SHOOTING

4.2 TX Trouble

TEST POINT
U401
LGE Internal Use Only
SW401
TP2 TP1
TP3
X101
CHECKING FLOW
FL401
U103
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Setup Test Equipment
Cell Power : -74dBm
GSM950 CH62
DCS CH690
Check point
DCXO(X101)
Check point
ULC2(U103)Outp
ut Signal
Check point
PAM(U401)
Control Signal
(TP1,2,3)
Check
ASM & Mobile
S/W & SAW
(SW400
,FL401)
Re-Download S/W & RF
CAL
Only for training and service purposes