LG D722K Service Manual page 53

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4. 6. WCDMA RF Part
4 6 1 WCDMA B1/2/5/8 Rx
4. 6. 1. WCDMA B1/2/5/8 Rx
3.6.1.2 Checking RF signal path(PRX B1/8)
4. 6. 1. 2. Checking RF signal path(PRX B1/8)
Test Point
TP3
TP2
TP1
Circuit Diagram
33p
C1101
1
L1206
C1208
33p
1.2n
L1207
1.8n
LGE Internal Use Only
U1300
FL1201
FL1100
FL10062
TP1(C1101)
TP1(C1101)
FL1100
4
3
Termination_Port
OUT
5
2
GND2
GND1
6
1
Coupling
IN
2
TP4(L1206)
WTR0_PRX_HMB4_IN
TP4(L1206)
4. Trouble Shooting
U1500
U1500
TP2(C1103)
TP2(C1103)
FL10062
1
C1103
3.3n
2
3
C1215
33p
35
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Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
TP3(C1105)
TP3(C1105)
C1104
6
GND1
HI-BAND
5
COMMOM
GND3
4
GND2
LO-BAND
C1105
TP5(L1210)
2.2n
L1210
18n
WTR0_PRX_LB2_IN
TP5(L1210)
33p
C1218
Only for training and service purposes
TP5
TP4
8p

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