Home > LG > Telephone > LG Nexus 5 Service Manual

LG Nexus 5 Service Manual

Here you can view all the pages of manual LG Nexus 5 Service Manual. The LG manuals for Telephone are available online for free. You can easily download all the documents as PDF.

Page 61

3. TROUBLE SHOOTING
- 61 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check the U1000
Check TP1
Over 31 dBm?RF TX Level is OK
Yes
No
Check U2004
(WTR1605L)
Check TP2
Over 31 dBm?
Check FL1018
(High Band FEM)
Yes
No
Check TP3
Over -3 dBm?Check U1001(PAM)
Yes
No  

Page 62

3. TROUBLE SHOOTING
- 62 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
3.5.3.7 WCDMA LTE B5

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
C1091 33p33p
C1092
DNI L10672.2u C1099C1094
330p
VPA_BATT
100p C1095C1096...

Page 63

3. TROUBLE SHOOTING
- 63 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
BOTTOP
TP1
TP3
TP2  

Page 64

3. TROUBLE SHOOTING
- 64 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check the U1000
Check TP1
Over 21 dBm?RF TX Level is OK
Yes
No
Check U2004
(WTR1605L)
Check TP2
Over 21 dBm?
Check FL1001
(B5 Duplexer)
Yes
No
Check TP3
Over -3 dBm?Check U1001(PAM)
Yes
No   

Page 65

3. TROUBLE SHOOTING
- 65 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
3.5.3.8 LTE B3
BOTTOP
TP1
TP3
TP2  

Page 66

3. TROUBLE SHOOTING
- 66 -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
TP2
TP3
L1001
12n
C1102100p1 2
C1018
33p33p
C1020C1017
33p
L1014...

Page 67

3. TROUBLE SHOOTING
- 67 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check the FL1018
Check TP1
Over 21 dBm?RF TX Level is OK
Yes
No
Check U2004
(WTR1605L)
Check TP2
Over 21 dBm?
Check FL1013
(B3 Duplexer)
Yes
No
Check TP3
Over -3 dBm?Check U1001(PAM)
Yes
No
First, Check the conducted Max. Power using the RF Connector  

Page 68

3. TROUBLE SHOOTING
- 68 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
3.5.3.9 LTE B7
BOTTOP
TP1
TP3
TP2  

Page 69

3. TROUBLE SHOOTING
- 69 -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
C10745.6p33p
C1075
VPA_GSM
2.2u
C1119
R102 2
0
ACPM-9307-TR1
EAN62867801...

Page 70

3. TROUBLE SHOOTING
- 70 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
Check the FL1018
Check TP1
Over 21 dBm?RF TX Level is OK
Yes
No
Check U2004
(WTR1605L)
Check TP2
Over 21 dBm?
Check FL1015
(B7 Duplexer)
Yes
No
Check TP3
Over -3 dBm?Check U1003(PAM)
Yes
No   
Start reading LG Nexus 5 Service Manual

Related Manuals for LG Nexus 5 Service Manual

All LG manuals