Tx Transmitter Part - LG 410G Service Manual

4. TROUBLE SHOOTING

4.4 TX Transmitter Part

CHECKING FLOW
Setup Test Equipment
Cell Power : –74dBm
GSM850 CH190
PCS CH661
EGSM CH37
DCS CH698
Check point
DCXO(X101)
Check point
Locosto(U102)
Output Signal
Check point
PAM(U400)
Control Signal
Check
Mobile S/W &
FEM
(FL400,SW400)
Re-Download S/W & RF CAL
LGE Internal Use Only
SW400
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U102
X101
FL400 U400
Only for training and service purposes