LG LM-X120HM Service Manual page 51

3.5 GSM, WCDMA, LTE PART
3.5.3 LTE RF PART
LTE RF Part (B7)---PRX
START
Check TP1
NO
Check TP2
NO
Change U1301
and retest
LGE Internal Use Only
Checking Flow
Change U1513/L1550/C1519/
OK
L1544 and retest RF
conductive
OK Change U1515/L1508/R1508/
R1509/L1518/C1517/L1549/C
1525 and
retest
TP1
TP2
U1515
TP1
U1513
Circuit Diagram
51
3. TROUBLE SHOOTING
Image
U1301
Main
TP2
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