Checking Sp4T (Lte B7/B28/B40) Block - LG -D855 Service Manual

3.4.2 Checking SP4T (LTE B7/B28/B40) Block

TP1(2.7V)
10
U1302
GND3
9
ANT
8
GND2
LGE Internal Use Only
TP2
TP3
TP4
U1302
<Main Top>
ANT_TRX_B13
ANT_TRX_B28A
ANT_TRX_B7
TP2
TP3
1
CTL3
2
CTL2
3
CTL1
TP4
ANT_PRX_B40
ANT_TX_B40
GRFC_4
GRFC_6
GRFC_7
TP1(2.7V)
+2V7_VREG_L16
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