3. TROUBLE SHOOTING
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3.6.2.4 Checking RF signal path(B5/B8)
4. Trouble Shooting
4. 6. WCDMA RF Part
4 6 2 WCDMA B1/2/5/8 Tx
4. 6. 2. 4.
Checking RF signal path(B5/B8)
4. 6. 2. WCDMA B1/2/5/8 Tx
Test Point
TP7
U1500
U1300
TP6
TP1
TP3
TP4
FL1201
FL1103
TP5
Circuit Diagram
TP1(C1101)
TP2
FL1103
FL1100
FL10062
TP2(C1103)
TP3(C1110)
TP4(C1105)
TP5(C1320)
45
TP6(C1323)
TP7(C1314)
L1102
DN
I
C1103
3.3n
C1104
8p
GND1
HI-BAND
COMMOM
GND3
GND2
LO-BAND
FL10062
4
3
5
2
6
1
DN
I
L1104
L1151
DN
I
DN
I
L1110
C1101
33p
C1105
2.2n
IN
Termination_Port
GND1
GND2
OUT
Coupling
FL1100
6
3
5
2
4
1
R1100
51
TOL=0.0
1
2
1
L1108
DNI
Termination_Port
GND2
Coupling
LDJ1882
FL1103
6
5
4
L1109
0.5p
C1110
1.5n
33p
C1314
33p
C1315
DNI
L130
9
C1320 3.9n
L1312
1.5p
L131
6
DN
I
DN
I
L131
5
1.5p
L1313
C1323 1.2n
TP5(C1320)
TP2(C1103)
TP6(C1323)
TP3(C1110)
TP1(C1101)
TP7(C1314)
TP4(C1105)