Lte Part; Lte1/2/3/4/5/7/8/17/20/28 Rx - LG -H815 Service Manual

3.7.1 LTE PART

LTE1/2/3/4/5/7/8/17/20/28 Rx

Checking Flow
START
Check TP1/2/3/4/5/6/7/8/9/10
Signal exist?
YES
Check Transceiver physical
damage
or soldering condition
OK?
Check next step
LGE Internal Use Only
Check Component
above RF signal path
NO
NOT GOOD
Replace U1500
TP8(Band17 Rx)
TP9(Band20 Rx)
TP2(Band2 Rx)
TP5(Band5 Rx) TP7(Band8 Rx)
26
3. TROUBLE SHOOTING
Image
BOTTOM
TP6(Band7 Rx)
U1500
TP10(Band28 Rx)
TP1(Band1 Rx)
TP4(Band4 Rx) TP3(Band3 Rx)
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