LG LM-X120HM Service Manual page 55

3.5 GSM, WCDMA, LTE PART
3.5.3 LTE RF PART
LTE RF Part (B17)---DRX
START
Check TP1
NO
Check TP2
NO
Change U1301
and retest
LGE Internal Use Only
Checking Flow
Change U1606/L1602/R1604
/L1615/L1616/
OK
and retest RF
conductive
OK Change U1611/L1618/L1642/
L1643/C1603 and
retest
U1301
Circuit Diagram
TP1
Copyright ⓒ 2019 LG Electronics. Inc. All right reserved.
55
3. TROUBLE SHOOTING
Image
TP2
Main
bot
TP1
U1611
TP2
Only training and service purposes
U1606