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4. 7. LTE RF Part
4. 7. 4. LTE B20 TX/PRX
4 7 4 LTE B20 TX/PRX
4. 7. 4. 1. Checking LTE PAM DC Power Circuit
3.7.4.1 Checking LTE PAM DC Power Circuit
TP1
TP2(C1707)
TP2(C1707)
64
LGE Internal Use Only
Test Point
Circuit Diagram
+VPA0
SCLK
6
GND
7
U1701
NC
8
RF7920
RF_OUT
9
VCC2
10
PGND
11
4. Trouble Shooting
g
+VPA_BATT0
+1V8_VREG_L10
RFFE1_CLK
RFFE1_DATA
SDATA
5
VIO
4
VBATT
3
RF_IN
2
VCC1
1
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Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
TP2
Refer to 4.6.2.1
Refer to 4.6.2.1
TP1(C1710)
TP1(C1710)
Only for training and service purposes
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