LG KG270 Service Manual - Page 46
RX Trouble
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4. TROUBLE SHOOTING RX Trouble TEST POINT SW400 U400 FL400 FL401 X101 U102 CHECKING FLOW START Setup Test Equipment Cell Power :-74d Bm GSM850 CH190 PCS CH660 Check point. DCXO(X101) Check point mobile SW & ASM & SAW Filter(SW400,F L400,FL401) Re-Download S/W & CAL - 47 -
4. TROUBLE SHOOTING
- 47 -
RX Trouble
START
Check point.
DCXO(X101)
Setup Test Equipment
Cell Power :-74d
Bm
GSM850
CH190
PCS CH660
Check point
mobile SW &
ASM & SAW
Filter(SW400,F
L400,FL401)
Re-Download
S/W &
CAL
U400
SW400
U102
FL400
X101
FL401
TEST POINT
CHECKING FLOW