LG LM-X120HM Service Manual page 49

3.5 GSM, WCDMA, LTE PART
3.5.3 LTE RF PART
LTE RF Part (B3)---DRX
START
Check TP1
NO
Check TP2
NO
Change U1301
and retest
LGE Internal Use Only
Checking Flow
Change U1606/L1624/C1612/
OK
L1626 and retest RF
conductive
OK
Change U1605/L1622/C1608/
L1623/C1609 and
retest
Circuit Diagram
U1301
TP2
TP1
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49
3. TROUBLE SHOOTING
Image
U1605
U1606
Main
bot
TP1
TP2
Only training and service purposes