SM-J320M_Tshoo_7

8. Level 3 Repair TOP

6 0 0 5 L

6 0 0 5 R

7 0 0 5 L

5 0 0 5 D Z

C 5 020

5 0 0 6 U

1 0 0 5 T N A

4 0 0 5 D Z

7 0 0 5 R

C 5 030

R4009

0 0 0 5 T N A

R4008

0 3 0 6 R

2 0 0 1 N O C

1 3 0 6 R

R6013

0 0 0 5 D Z

0 0 0 5 L

1 0 0 5 L

0 0 0 5 C 3 0 0 5 R

2 0 0 5 R

4 0 0 5 L

4 0 0 5 C

0 1 0 5 R

3 0 0 5 L C5005

0 3 0 6 C

C5024 C5011

1 1 0 5 R

ZD5003 R5000

9 2 0 6 C

BOTH403

L5017 5 1 0 4 R

L5012

5 1 0 5 C

3 2 0 5 C

2 2 0 5 C

6 1 0 5 L

4 1 0 5 L

7 0 0 5 D Z

8 0 0 5 D Z

L5011

0 0 0 1 N O C

1 0 0 6 C D H

C6051 4 0 0 6 P T

C6049

3 0 0 6 P T

TP_ SL TP_ SLEE EEP_C P_CLK LK _20 _2000 00

TP6002

C6028 TP_ACC_INT

C6031

R6003

C6047

R6004

U6006

R6005 4 1 0 6 R

BOTH404

TP3004

TP3003

S T R _ S P G _ P T

D X R _ S P G _ P T

R3034 R3033

1 0 0 3 P T

9 1 0 3 C

C3053 R3022

2 0 0 3 P T

S T C _ C S P G _ G P T

TP4000

2 0 0 3 R

TP3000

R6025

TP_CHG_EN

5 0 0 3 P T

2 0 0 6 R

R3035

1 0 0 3 C

T S I X E O C _ F W _ P T

CON1009

C6027

C6050

TP6000

TAC5001

N _ T S R _ N A L W _ W P T

U6004

TP6001

8 1 0 2 R

R3012

1 5 0 3 C

7 2 0 3 R

5 0 0 6 P T

0 0 0 3 R

1 0 0 3 R

2 3 0 6 C

2 0 0 6 F 2 5 0 3 C

4 0 0 6 F

R3003

F6003

F6000

3 3 0 3 C

C3031

F6001

C3032

1 0 0 4 P T

6 0 0 5 C C3040 C3039 C1092 C1096

5 0 0 1 N O C

R3032

R3025

UCP3000 UME3000

C3000 C3036

C3022 C3047

1 2 0 3 R 4 2 0 3

3 2 0 3

R L2029

4 7 0 2 C

F2005

4 1 0 2 L

L2012

9 1 0 2 R

0 3 0 2 L

F2003

C1058 6 6 0 2 C

1 2 0 2 L

C1007

7 3 0 2 C

U2006 2 3 0 2 L

8 3 0 2 C

R1004 5 1 1 1 C C1013

0 2 0 2 L

0 1 0 2 L

4 0 0 1 C

BOTH406

5 7 0 2 C

5 2 0 2 L

7 7 0 2 C

TAC5002

8 7 0 2 C

3 0 0 1 C

L1006

4 2 0 1 C

L2031

C1023

2 3 0 1 C

0 0 0 1 L

5 0 0 1 C

5 0 0 1 L

8 0 0 1 C

C1025

C1037

2 6 0 2 C

8 1 0 2 L

3 6 0 2 C

9 5 0 2 C

6 1 0 2 L

0 6 0 2 C

4 0 0 2 F

0 7 0 2 C

3 8 0 2 C

TP_RFF E_CLK

8 4 0 1 C

8 3 0 1 L

7 4 0 1 L

6 6 0 1

7 6 0 1

3 6 0 1 C

7 5 0 1 C

4 4 0 1 L

6 5 0 1 C

2 5 0 1 C

1 4 0 1 L

7 2 0 1 C

2 1 0 1 L

8 2 0 1 C

C1070 C1068

1 3 0 2 C

F1002 8 4 0 2 C

7 1 0 1 L

1 0 0 1 L

9 3 0 1 C

TP_ RFFE_DA TA

7 0 0 1 L

L1023 L1022

2 4 0 1 C

C1036 C1026

C

3 0 0 1 L 7 2 0 1 L

9 5 0 1 C

4 3 0 1 C

1 3 0 1 C

8 1 0 1 C

7 1 0 1 C

5 6 0 1 C

3 4 0 1 L

4 6 0 1 C

0 1 F

6 2 0 1 L

4 2 0 1 L

8 3 0 1 C

1 6 0 1 L

8 2 0 1 L

6 4 0 1

1 3 0 1 L

0 5 0 1 C

6 1 0 1 L

1 1 0 1 L

2 2 0 1 C

0 2 0 1 L

8 1 0 1 L

0 3 0 1 C

9 2 0 1 L

3 4 0 1 C

6 3 0 1 L

2 3 0 1 L

1 5 0 1 C

8 4 0 1 L

6 6 0 1 L 6 1 1 1 C

C1099

7 1 1 1 C

0 1 1 1 C

F1000

7 3 0 3 C 2 0 0 4 R

0 0 0 4 H T

8 0 0 5 R

TP1002

C1107

9 0 0 5 R

1 0 0 4 R

5 5 0 4 C

C1082

T N I _ S U M _ P T

3 1 1 1 C

3 6 0 1 L

6 5 0 1 L

3 5 0 1 L

C1076

C1104

7 8 0 1 C

C1101

L1067

3 0 1 1 C

U1003

6 1 0 3 R

0 2 0 4 C

C4046

6 0 0 6 R

6 1 0 6 R

8 4 0 6 C

3 3 0 6 C

6 4 0 3 C

5 1 0 3 R

1 4 0 3 C

3 1 0 4 C

0 0 0 1 C S O

C1078

C4053

5 0 0 4 R

C1094

PAM1001

L1064 C1095

C1084

C1091

C1090

L1068

5 0 1 1 C 6 0 1 1 C

4 4 0 3 C

7 2 0 4 C

0 5 0 4 C

C4048

P E E L S _ P I H C _ P T

0 0 0 4 U C4042

R4012

4 7 0 4 C

2 1 0 5 C

6 1 0 5 C

4 1 0 5 C

7 1 0 5 C

C4049

6 0 0 3 R

1 1 0 3 R

7 0 0 3 R

9 0 0 3 R

4 1 0 4 R

3 1 0 3 R

9 4 0 3 C

8 0 0 3 R

C4069

9 3 0 4 C

7 3 0 4 C

C4056 9 1 0 5 C

R4018

3 1 0 5 R

TP_BOOT

3 2 0 4 R

6 2 0 4 R

4 0 0 3 R

4 1 0 3 R

8 1 0 3 R

C4082 C4030

R4025

R4003

4 8 0 4 C

1 0 0 5 C

TAC5000 1 0 0 5 R

C4031

C5018

C5010

R4000

5 0 0 3 R

4 3 0 3 C

C3023

R4016 R4017

C4051 R4013

C5007

4 4 0 4 C

C4077

0 1 0 3 R

3 4 0 3 C

C4071

6 0 0 4 R

3 8 0 4 C

ZD4001

1 0 0 1 N

O C

3 7 0 4 C

C1079

C1073

C1100

C4043

5 4 0 3 C

5 3 0 3 C

0 0 0 4 C

R4010

0 0 0 4 L

5 4 0 4 C

C1083

1 2 0 4 R

5 8 0 1 C

C1097

2 5 0 1 L

TP _UART_RXD

4 0 0 4 R

C1114

C1086

C1074

8 1 1 1 C

7 1 0 3 R

4 5 0 4 C

2 5 0 4 C

C1075

C1080

L1051

F1004

7 0 0 4 R

9 2 0 3 R

R4011

8 9 0 1 C

C1119

8 2 0 3 R

C1081

4 0 0 1 U

0 5 0 1 L

C1111

F1005

8 4 0 3 C

0 0 0 6 R

TP1001

9 4 0 1 L

L1035

SC4000 1 0 0 6 R

9 2 0 2 C

C1077

L1065

0 1 0 1 L

9 1 0 2 C

N E _ S P G _ P T

TP1000

C1061

L1033

C1047

L1014 3 1 0 1 L

0 3 0 2 C

0 6 0 1 C

0 3 0 3 R

5 8 0 2 C

8 0 0 2 L

2 6 0 1 C

R

1 3 0 3 R

3 0 0 2 C

0 0 0 2 F

U2002

C

2 6 0 1 L

4 0 0 1 L

1 4 0 1 C

4 4 0 1 C

L1019

0 1 0 2 C

8 1 0 2 C

C

9 0 0 1 C

C2017

3 3 0 2 C

1 SC4002 0

PAM1000

9 2 0 1 C

2 5 0 2 C

9 6 0 2 C 7 3 0 1 L

C1019

D X T _ S P G _ P T

U4003

L4009

0 1 0 1 C

1 8 0 4 C

5 7 0 4 C

C1093

6 7 0 4 C

BTC4000

BOTH405

SUS2002

3 0 0 1 N O C

SUS2000

4 0 0 1 N O C

SUS2001

CON1007

CON1006

1 0 0 4 H T

3 2 0 6 C

2 0 0 6 U

2 2 0 6 C

7 2 0 6 R

9 8 0 4 C

2 7 0 4 C

5 8 0 4 C

U4002 R4024

0 3 0 4 R

CON1008 R4027

C4087

ZD4002 R4022

C4086

1 0 0 4 T N A

R4028 R4029

0 0 0 4 T N A

BOTH407 R5012

9 0 0 5 C

L5010 L5009

8 0 0 5 C

MIC5000

ZD5006 C5013

8 0 0 5 L

BOTH402

IFC4000

BOTH401

Confidential and proprietary-the contents in this service guide subject to change without prior notice Distribution, transmission, transmission, or infringement of any content or data from this document without Samsung’s written authorization authorization is strictly prohibited.

8. Level 3 Repair BOTTOM

1 0 0 2 T N A

0 0 0 5 A E H

1 8 0 2 C

6 2 0 2 L C2005

3 0 0 2 L

0 0 0 2 T N A 1 2 0 2 C

C2079

TP2015

TP2014

1 6 0 2 C

L5002 L5005

ZD5001

4 0 0 5 R

C2076

7 2 0 2 L 4 8 0 2 C

5 0 0 5 R

OSC2000

L2019

3 0 0 2 T N A

6 0 0 2 L

L2007

L2005

6 1 0 2 C

2 1 0 2 C O D T M

ZD5002

C2032

C2014

0 0 0 2 L

C2027

5 3 0 6 C

C2028

HDC6002

C2001

C2020

2 2 0 2 L

C6034 R6015

L2002

U2000

4 2 0 2 C

C2071

7 0 0 2 U

0 8 0 2 C

L2001

C2004 C2082

L6010

L2017 L2023

3 1 0 2 C

1 0 0 2 F

C2008

L2004

2 0 0 2 F

R2000 6 2 0 2 C

U2001

5 2 0 2 C

C2050 2 2 0 2 C

0 0 0 4 D E L

3 2 0 2 C C2011

TP2013

TP2012

2 0 0 2 T N A

TP2010 TP2007

TP2008

C2002

C2007

C2006

TP2000

K L C _ C O I D S _ N A L W _ W P T

C2000

TP2006

R2003

C2051 8 0 0 1 R

7 0 0 1 R

6 0 0 1 R

5 0 0 1 R

8 2 0 2 L

R5015

4 0 0 6 C L6005

3 5 0 6 C

8 0 0 6 C

4 0 0 6 L

0 0 0 6 C D H

R5014

L6003

D V

C6006

6 0 0 4 C

C6007

C2045 3 4 0 2 C

C6036

C6026

L6001 U6003

0 0 0 6 C

C6003

P P V _ P T

N E _ P_ P D

0 0 0 6 U

C6002

L6002

RFS2000

5 2 0 6 C

1 1 0 6 R

C3020 C3038 B U _ P_ P T

C3010 4 2 0 3 C

5 2 0 3 C

8 2 0 3 C

7 2 0 3 C

C6005

L6000

2 1 0 3 C

C6001

3 0 0 3 C

4 1 0 3 C

C3011

0 0 0 3 U

1 0 0 5 N O C

C3013 C4018

C3029

C4088

7 1 0 3 C

C4019

C3026

4 5 0 3 C

C3030

C4065

C4061

C4068

4 0 0 4 L

2 6 0 4 C

8 1 0 3 C

C4064

C4067

6 1 0 3 C

9 0 0 3 C

6 0 0 3 C

5 0 0 3 C

0 4 0 6 C

8 0 0 3 C 1 2 0 3 C

0 0 0 5 N O C

C3050

9 3 0 6 C

1 0 0 6 D Z

7 0 0 3 C

C6038

5 0 0 4 L

1 0 0 4 L

6 0 0 4 L

4 0 0 3 C

C3015

SC4001 7 0 0 4 L

2 0 0 3 C

2 4 0 3 C

R6024 C6037

9 1 0 6 R

C6044 C6043

8 2 0 6 R

C6042 R6029

2 0 0 6 D Z

0 2 0 5 C

L5015

ZD5009

L5013

ZD5010

R6023

5 4 0 6 C

R6026 1 2 0 5 C

C6046

6 0 0 6 D Z 4 0 0 6 D Z

C6041

P_N FC T P_N FC _C _CLK _RE _REQ Q

8 0 0 2 U

3 7 0 2 C

R4020

7 1 0 2 R

C2054

C2036

TP _NF C_WA KE

0 0 0 2 Q

C6011

7 1 0 4 C

0 1 0 2 R

2 0 0 4 L

9 0 0 2 R Q R I _ C F N _ P T

4 1 0 2 R

6 5 0 2 C N E _ E C F N _ P T

C2055 0 0 2 _ 2 K L C _ C F N

3 5 0 2 C

R2016

C2039

L2015 C2046

C2047

L2011 C2040

C2041

R2012 5 3 0 2 C

C4047

3 1 0 2 R 8 5 0 4 C

U4001

3 0 0 1 R

C4034

C4070

C4057

C4035

C4021

C4041 C4009

C4060

C4011

C4014

C4059

4 0 0 4 C

SIM6000

C4015

C4008

C4022

C4016

C4029

3 0 0 4 C

C4038

C4032

1 0 0 4 C

8 2 0 4 C

0 1 0 4 C

2 0 0 4 C

C4005

C4007

C4012

5 2 0 4 C

3 2 0 4 C

OSC4000

4 2 0 4 C

6 2 0 4 C

2 0 0 1 R

R1000

0 0 0 1 U

C1021

C4040

C4033

R2011

5 0 0 6 D Z

3 0 0 4 L

C6009

U2005

R2015

C4066

C4063

C6010

C2044

0 1 0 4 L

ZD6003

C4036

C2057

8 5 0 2 C

C4078

0 0 0 4 D Z

2 7 0 2 C

Q E R _ R W P _ P T

1 0 0 1 R

C1012 L1015

U6007

L1046

RFS1000

0 0 0 6 D Z R6009

9 7 0 4 C L4008

C4080

6 0 0 6 L

1 2 0 6 C

0 0 0 6 A E H

4 1 0 0 0 0 6 2 U C S

9 0 0 6 L

8 0 0 6 R

7 0 0 6 L

7 0 0 6 R

2 1 0 6 C

4 1 0 6 C

0 2 0 6 C

5 1 0 6 C

4 1 0 1 C

6 1 0 1 C

L1042

0 0 0 1 C

6 0 0 1 C

ANT1001

5 1 0 1 C

2 0 0 1 C

L1008

ANT1000 L1060

C1020 L1009

L1021 C1033

5 3 0 1 C 0 4 0 1 C

U1001

5 2 0 1 L

2 0 0 1 L 5 5 0 1 C

C1001

U1002

3 5 0 1 C

4 5 0 1 C


8. Level 3 Repair 8-3. Flow Chart of Troubleshooting

Oscilloscope

Digital Multimeter

Power Supply

+ driver, ESD Safe Tweezer

8960 & Spectrum Analyzer

Soldering iron


8. Level 3 Repair 8-4. Power On

Mobile phone does not power on.

Check the Battery Voltage. Is it more than 3 .8V?

Charging the battery by TA.

No

If its voltage level is extremely low(under 3.0V), Change the battery.

Yes

Power-on the phone and check the power-on sound or motor Vibration. Sound or Vibration is ok?

Yes Change the FRONT-LCD ASSY

No

Check the signal of EXT_RST_B= 1.8V

No Replace the PMIC

Yes

Check the Clock OSC4000

Is the frequency 32Khz?

No

Replace the OSC4000. ※ Test

condition (Oscilloscope setting)

: 20.0us.div (time division)

Yes check the initial operation Yes END


8. Level 3 Repair 8-4-2. Initial

Initial Failure. Yes

Re-download latest SW on the mobile phone.

Abnormal

Re Check "8-4-1 Power on" Trouble shooting process

Abnormal

Check the the OSC4000 OSC4000 (Crack, open etc.) Check the U4001 U4001 (Crack etc) etc)

Normal Change UCP3000 Abnormal Change PBA

END


8. Level 3 Repair 8-4-3. No Service

No service Yes Check menu setting Menu

→ applications → setting → network

more networks

→ mobile

networks

connections

→ network

mode

→

→

setting is auto connect ?

CP : A510FXXXX

Home screen Phone Keypad *#1234# check Phone version CP : A510FXXXX or unknown →

→

→

Check the connection of RF coaxial cable

→

→

CP : unknown

Check the voltage level CP_RST_N = HIGH

No

Replace the U5000

Yes

No Check OSC2000 Frequency = 26MHz

Replace the OSC2000

Yes Replace UCP400 Yes END


8. Level 3 Repair 8-4-4. Sim Part

Insert SIM card Yes

Is SIM socket ok?

Yes

Check the SIM Voltage. (R6028, C3039 ) >= 1.8 or 3.0?

No Change to the new SIM card

Yes

Check the SIM RST/IO/CLK. (ZD6002) No signal

No Check the UCP3000 (Crack etc)

Yes END


8. Level 3 Repair 8-4-5. Charging Part - First of all, Please check the battery status.

TA / USB Insert Yes

Check the voltage at VBUS_IF_5P0 (C4075) = 5V?

No

Check the USB connector (Crack etc.) Reconnect TA or USB connector

Yes

Check the voltage at CHG_IN_5P0 (C4076,C4042) = 5V?

No Check heck and and re lace lace U400 U4003 3 Crac Crack k etc. tc.

Yes

No Is Battery Charing?

END

No Change U4000

No Still have Problem?

END

Yes Change PBA

END


8. Level 3 Repair 8-4-6. Proxy Sensor

Proxy Sensor does not work Yes

Check the C6029,C4010 = 2.85V ?

No

Resolder or Replace : U4001

Yes

Check the C6030 = 3.3V ?

No

Resolder or Replace : U6006

Yes

Check R6013 (I2C is OK?)

No

Resolder or Replace : UCP3000

Yes

Replace U6005 (Proxy sensor)

END


8. Level 3 Repair 8-4-7. Accel Sensor

Accelerometer Sensor does not work Yes

Check the C6027 = 1.8V ?

No

Resolder or Replace : UCP3000

Yes

Replace U6004 (Accel sensor)

END


8. Level 3 Repair 8-4-8. Microphone Part

Check main microphone function in voice call Handset mode or voice recorder mode

Yes

Check component soldering status of L5008

Abnormal

Resolder or Replace : L5008

Abnormal

Resolder or Replace : MIC5000

Abnormal

Resolder or Replace : L5009

Normal

Check MIC5000 SMD status

Normal

Check component soldering status of L5009

Normal

END


8. Level 3 Repair 8-4-9. Receiver Part

Check receiver function in voice call receiver mode.

Yes

Check the statuses of ANT5000, ANT5001

Abnormal

Resolder or Replace : ANT5000, ANT5001

Abnormal

Replace the RCV module

Abnormal

Replace U4001

Normal

Check RCV module for any damage

Normal

Check the signals on L5014, L5016

Normal

END


8. Level 3 Repair 8-4-10. BT/WIFI

BT/WiFi is not working Yes

No Check BT or WiFi function ON

Enable BT or WiFi Function

Yes

No Check the Voltage on C2000 = 1.8V

Check the U2001(crack, open, damaged, etc.)

Yes

Check the Status of C2080,C2013,C2026,L20 06,L2005,L2004

No

Resolder or change the C2080,C2013,C2026,L2006,L2005,L2004

Yes

No Check the Status of F2002,

Resolder or change the F2002

Yes

No Check the Status of ANT2001

Resolder or Replace ANT2001

Yes

Resolder or Replace U2001

END


8. Level 3 Repair 8-4-11. GPS

GPS is not working Yes No Check GPS function ON

Enable GPS Function in the setting

Yes No Check the ANT2000 (Crack, open, etc)

1. Resolder or Replace ANT2000 2. Replace REAR

Yes

No Check(crack, open, etc) L2003,C2005,cF2001,L2001,L2002,

Resolder or change the wrong element (open, crack, deviation, etc)

U2000,C2003,F2000,C2085,L2008

Yes No Check GPS TCXO at output of OSC2000

Check OSC2000 (short, open, crack, etc)

Yes

Check the voltage on C2018 = 3.3V ?

No

Check PMIC(U4001) (short, open, crack, etc)

Yes

Check if GPS_EN at TP_GPS_PWON is 1.8V

No

Check UCP3001 (short, open, crack, etc)

Yes Resolder or change U2002

END


8. Level 3 Repair 8-4-12. NFC

NFC is not working Yes

No Check NFC Function ON

Enable NFC Function

Yes

No Check the Voltage on R2013,R2014 = 1.8V

1. Resolder or Replace R2013,R2013 2. Resolder or Replace U2005

Yes

Check 26MHz Clock at R2010

No Check Q2000

Yes

Resolder or Replace C2039,C2044,R2011,R2012,L2011,C2035,C2040,C2046,C2041,C2047,C2053,L2015 Check the status of C2039,C2044,R2011,R2012,L 2011,C2035,C2040,C2046,C2 041,C2047,C2053,L2015,R201 5,R2016

No

,R2015,R2016

Yes

Resolder or Replace U2005

Yes

END


8. Level 3 Repair 8-4-16. GSM 850 / WCDMA 850 / LTE B5 RX

It is not catching the channel in normal normal condit condition ion

Check ANT PATH any damage (cable, C1000,L1008,C1006,U1001, U1002,C1020, L1042,RFS1000,L1046,C10 12,U1000)

Yes Yes

Resolder or change Antenna path components

No

Check Rx path L1024,L1026,C1038 Is it ok?

No

Resolder or change Rx path components

Yes

Check F1001,U1004 any damage (Crack, open, etc)

Yes Yes

Resolder or change F1001,U1004 components

No Change the board

END


8. Level 3 Repair 8-4-17. GSM 900 / WCDMA 900 / LTE B8 RX



Yes Yes


No


No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-18. GSM 1800 / LTE B3 RX



Yes Yes


No


No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-19. GSM 1900 / WCDMA 1900



Yes Yes


No


No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-20. WCDMA 2100 / LTE B1 RX



Yes Yes


No

Check Rx path L1004,L1048,L1049 Is it ok?

No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-21. LTE B17, B20 RX



Yes Yes


No


No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-22. LTE B7 RX



Yes Yes


No

Check Rx path

No

C1118,L1052,C1101,F1004,C1119,L10 53,L1056,L1051,L1065,L1050


Is it ok?

Yes

Check F1001,U1004,PAM1001,F10 04,U1003 any damage

Yes Yes

Resolder or change F1004,U1004,PAM1001,F1001,U1003 components

No Change the board

END


8. Level 3 Repair 8-4-23. GSM850/GSM900 TX



Yes Yes


No

Check Tx path L1003,L1007,C1009 C1026,L1019

No

Resolder or change Tx path components

Is it ok?

Yes

Check F1001,U1004,PAM1000 any damage (Crack, open, etc)

Yes Yes

Resolder or change F1001,U1004,PAM1000 components

No Change the board

END


8. Level 3 Repair 8-4-24. GSM1800/GSM1900 TX



Yes Yes


No

Check Tx path C1027,L1012,C1028, C1115,L1000,C1005

No


Is it ok?

Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-25. WCDMA2100/LTE B1 TX



Yes Yes


No

Check Tx path C1013,L1005,C1019,C1008, L1037,C1048,L1038

No


Is it ok?

Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-26. WCDMA1900 TX


Check ANT PATH any damage (cable,RFS1001,ANT1001 L1043,C1093,C1151, C1150,C1006,L1061, L1062,L1063,C1169 CPL1000,F1001)

Yes Yes


No

Check Tx path C1044,L1009,C1045 L1019 Is it ok?

No


Yes

Check F1002,U1003,U1001 F1002,U1003,U1001 any damage (Crack, open, etc)

Yes Yes

Resolder or change U1001,U1006,PAM1000 components

No Change the board

END


8. Level 3 Repair 8-4-27. LTE B3 TX



Yes Yes


No

Check Tx path C1013,L1005,C1019,C1 008,C1066,C1067,L104 7 Is it ok?

No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-28. WCDMA850/LTE WCDMA850/LTE B5 TX



Yes Yes


No

Check Tx path L1027,C1041,C1042,C1 036,L1022,C1037 Is it ok?

No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-29. WCDMA900/LTE WCDMA900/LTE B8 TX



Yes Yes


No

Check Tx path C1036,L1022,C1037,L1 023,C1043,L1029,C104 4, Is it ok?

No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-30. LTE B20,B17 TX



Yes Yes


No

Check Tx path C1036,L1022,C1037,L1 023,C1051,L1032,L1036 Is it ok?

No


Yes


Yes Yes


No Change the board

END


8. Level 3 Repair 8-4-31. LTE B7/B40 TX



Yes Yes


No

Check Tx path B40(C1110L1067,C1117,C1 116,L1066,C1111) B7 (L1065,L1051,L1050,C1105 ,C1010,C1106,L1064)

No


Is it ok?

Yes

Check F1001,U1004,PAM1000,PA M1001,U1003,F1005,F1004 any damage (Crack, open, etc)

Yes Yes Resolder or change F1001,U1004,PAM1000,PAM1001,U1003,F1005,F1004

components

No Change the board

END


8. Level 3 Repair 8-5. Service Schematics

- NC Point(Top View) UCP3000 (AP)


SM-J320M_Tshoo_7

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