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LG Nexus 5 Service Manual

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Page 81

3. TROUBLE SHOOTING
- 81 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
C1114100pEAG63293301
20549-001E
SW1003
4
3 2
1
ANTCOMMON
G3G4
22p
C1071
W_FL2-R-SMT-1_80 SW1002
EAG63412001
G1
G2ANTG3
ECA30240001
FL1014
LDJ18829M24AD011 IN
1
Termination_Port 4GND1
2GND2 5OUT
3
Coupling 6
L1048
100n
R1011
49.9
DNI
L107
3
L1074
DNI
TRX_ANT2
CPL_CPL
13.04.25 changed
TP1
C10521.8n
L1038 3.3n
C112510p
10p
C1124
100p
C1063
3.3n
C1123
DNI
L104 5
C1065...

Page 82

3. TROUBLE SHOOTING
- 82 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check TP1
Check TP1 
Signal Exist?Check the RX Level
Yes
Yes
Yes
Yes
No
No
No
No
Check the U2004
(WTR1605L-1)
Check TP2 
Signal Exist?Check the FL1018
Check TP3 
Signal Exist?
Check TP4 
Signal Exist?
Check the FL1012
(B4 Duplexer)
Check the FL1020
(B1/4 Separator)   

Page 83

3. TROUBLE SHOOTING
- 83 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
3.5.4.4 WCDMA B5/ LTE B5/ GSM850
BOT
TP2
TP1
TP3
U1000   

Page 84

3. TROUBLE SHOOTING
- 84 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
SW100120549-001EEAG63293301
4
3 2
1
ANTCOMMON
G3G4
LDJ18829M24AD011
FL1000
ECA30240001
IN
1
Termination_Port 4GND1
2GND2 5OUT
3
Coupling 6
100nL1002DNI
L1071
L1072 DNI
33p
C11131n
C1001
W_FL2-R-SMT-1_80 SW1000
EAG63412001
G1
G2ANTG3
TRX_ANT1
CPL_CPL
CPL_PDET_IN
TP1
EAT61914101
U1000
RF1492A
21
20
7
8
6
9
5
10
4 3
11
2
12
1
19
18
17
16
15
14
13
TRX1
NC2
NC3...

Page 85

3. TROUBLE SHOOTING
- 85 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check TP1
Check TP1 
Signal Exist?Check the RX Level
Yes
Yes
Yes
No
No
No
Check the U2004
(WTR1605L-1)
Check TP2 
Signal Exist?Check the U1000
Check TP3 
Signal Exist?
Check the FL1001
(B5 Duplexer)
33p
C1101
100p
C1008
100p
C1010
L1004
18n12n
L1086
C1004
3p
33p
C1104
FL1001
17
9
8
10
7
11
6
12 5
13 4
14
3
15
2
16
1
RX
GND13
GND1
GND12
GND2
GND11
GND3
GND10
GND4...

Page 86

3. TROUBLE SHOOTING
- 86 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
3.5.4.5 WCDMA B8/ GSM900
BOT
TP2
TP1
TP3
U1000  

Page 87

3. TROUBLE SHOOTING
- 87 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
SW100120549-001EEAG63293301
4
3 2
1
ANTCOMMON
G3G4
LDJ18829M24AD011
FL1000
ECA30240001
IN
1
Termination_Port 4GND1
2GND2 5OUT
3
Coupling 6
100nL1002DNI
L1071
L1072 DNI
33p
C11131n
C1001
W_FL2-R-SMT-1_80 SW1000
EAG63412001
G1
G2ANTG3
TRX_ANT1
CPL_CPL
CPL_PDET_IN
TP1
EAT61914101
U1000
RF1492A
21
20
7
8
6
9
5
10
4 3
11
2
12
1
19
18
17
16
15
14
13
TRX1
NC2
NC3...

Page 88

3. TROUBLE SHOOTING
- 88 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check TP1
Check TP1 
Signal Exist?Check the RX Level
Yes
Yes
Yes
No
No
No
Check the U2004
(WTR1605L-1)
Check TP2 
Signal Exist?Check the U1000
Check TP3 
Signal Exist?
Check the FL1003
(B8 Duplexer)
SAYFH897MHE0F0A
FL1003
EAM62514001
7
5 8
4 9
2 3 1
6
ANTRX1
TX
GND1
GND5GND2
RX2
GND3GND4
18n
C1027
C1026 33p
6.2n
L101 7
C1019 18n
L1011
DNI
PRX_LB2_IN_N...

Page 89

3. TROUBLE SHOOTING
- 89 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
3.5.4.6 LTE B7
BOT
TP2
TP1
TP3
TP4
TP5
FL1018   

Page 90

3. TROUBLE SHOOTING
- 90 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
C1114100pEAG63293301
20549-001E
SW1003
4
3 2
1
ANTCOMMON
G3G4
22p
C1071
W_FL2-R-SMT-1_80 SW1002
EAG63412001
G1
G2ANTG3
ECA30240001
FL1014
LDJ18829M24AD011 IN
1
Termination_Port 4GND1
2GND2 5OUT
3
Coupling 6
L1048
100n
R1011
49.9
DNI
L107
3
L1074
DNI
TRX_ANT2
CPL_CPL
13.04.25 changedTP1
L1054
DNI
LMSP32QP-F03
EAT61793601FL1018
23
11
10
8 9
6 7
5 13
4 12
2 15
14
20...
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