GalaxyS7 Edge Repair Tips Troubleshooting Guide (by Part)

1.

Rev 01
GalaxyS7 Edge Repair Tips
Troubleshooting Guide (by Part)
Feb, 2016
HHP Global CS team
This material is a property of Samsung Electronics Co., Ltd. Any unauthorized use of this material can be punished
under applicable International and/or domestic law.
- This document cannot be used without Samsung’s Authorization -

2.

Notice
Rev 01
All functionality, features, specifications and other product information provided in this
document including, but not limited to, the benefits, design, pricing, components,
performance, availability, and capabilities of the product are subject to change without
notice or obligation.
Samsung reserves the right to make changes to this document and the product described
herein, at anytime, without obligation on Samsung to provide notification of such change.
- This document cannot be used without Samsung’s Authorization -

3.

Notice
Rev 01
- This guide is for a diagnosis and repair.
- This guide gives the solution for normal case, so it can be different in case of specific cases.
- The repair of component level is not required in this guide, you can refer to the service
manual if you want. This is for repair L1 & 2.
- The PBA should be treated under ESD protection environment.
- It should be confirmed at the first step if it’s normal warranty repair or not.
For the following cases, it should be classed as out of warranty
☞ Expired warranty period, Customer faults and Rooted phone.
- Final test is mandatory for all repaired phone regardless of repair result.
- This document cannot be used without Samsung’s Authorization -

4.

Contents
Rev 01
Tip 1. PBA - No power
Tip 11. OCTA - Touch problem
Tip 2. PBA - Freezing (during booting up)
Tip 12. Sub PBA - Sub key problem
Tip 3. PBA - Freezing (during operation)
Tip 13. Sub PBA - No Charging
Tip 4. PBA - Auto power off / rebooting
Tip 14. Speaker - Sound problem
Tip 5. PBA - Transmission & Receiving
Tip 15. Receiver - Receiving voice problem
Tip 6. PBA - No SVC
Tip 16. Mic - Sending voice problem (on RCV)
Tip 7. PBA - Battery drains rapidly
Tip 17. Mic - Sending voice problem (on SPK)
Tip 8. PBA - No or faulty display
Tip 18. Camera - Camera problem
Tip 9. OCTA - No or faulty display
Tip 19. Keys - Key problem
Tip 10. OCTA - Missing line or dot
Tip 20. Sensors
- This document cannot be used without Samsung’s Authorization -

5.

Tip 1. PBA - No Power
Rev 01
No power
【 Defective Part / Root Cause 】
Power & Current
Tester
1) Pass
① Battery
② Battery connector
③ Power key
④ UB (UB connector)
2) Low current : 1~200mA
S/W update
Pass & Solved
⑤ S/W malfunction
3) 0mA, High current : 2A~
Replace
UB Ass’y
(sub PBA)
Not solved
⑥ PBA
Solved
⑦ UB Ass’y(Sub PBA)
★ Key Point - Measure power on current !!
1) Pass : PBA has no problem
2) Low (1~200mA) : S/W or Memory area problem
3) 0mA or High : Dead or Circuit short
- This document cannot be used without Samsung’s Authorization -

6.

Tip 2. PBA - Freezing (during booting
up)
Rev 01
Freezing
【 Defective Part / Root Cause 】
Yes
Rooted?
① Rooting
- Inform the customer of
OOW, and repair if he/she
wants.
No
Freezing
(during booting up)
Pass & Solved
② S/W malfunction
S/W update
Fail or Not solved
③ PBA
- This document cannot be used without Samsung’s Authorization -

7.

Tip 3. PBA - Freezing (during operation)
Rev 01
Freezing
【 Defective Part / Root Cause 】
Yes
Rooted?
① Rooting
- Inform the customer of
OOW, and repair if he/she
wants.
No
Freezing
(during operation)
Pass & Solved
Reproduced
② S/W malfunction
S/W update
Fail or Not solved
Re-test
in safe mode
③ PBA
Not reproduced
④ 3rd app
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
- This document cannot be used without Samsung’s Authorization -

8.

Tip 4. PBA - Auto power off / rebooting
Rev 01
Power off / Rebooting
【 Defective Part / Root Cause 】
Yes
① Rooting
- Inform the customer of
OOW, and repair if he/she
wants.
Rooted?
No
1) NDF or No log
② NDF
- Inform the customer of
normal power off & reset
case.
PORT
2) S/W
S/W update
③ S/W malfunction
3) H/W
④ PBA (AP, PMIC)
★ Key Point - Use a PORT(Power Off & Reset Tracker)!!
1) NDF : SP, MP, RP, BP, NP
2) S/W : DP, KP, PA_EX, PA_AR, PF_EX, PF_WD, TP
3) H/W : WP, PP, TP
- This document cannot be used without Samsung’s Authorization -

9.

Tip 4. PBA - Auto power off / rebooting
Rev 01
PORT(Power Off & Reset Tracker)
■ *#9900# → Run dumpstate/logcat/modem log → OK → OK → Copy to sdcard (include CP Ramdump)
■ Connect the device to PC and open “RR.p” in “log” folder.
■ The reason codes in detail
Name
SP
WP
DP
Meaning
Description
Sudden Momentary Power Loss
SMPL : Sudden Momentary Powe
Can happen when battery is detached & attached very fast within
r Loss
0.5 sec.
WTSR : Watchdog Timeout and S
Malfunction of AP chipset
oft Reset
System lockup,
WatchDog reset
Abnormal watchdog reset
Defect part
NDF
H/W defect
S/W defect
KP
Kernel Panic
Abnormal reset by Kernel panic
MP
Manual Reset
Press & hold power key for 7 sec and power off
PP
Power reset
Abnormal reset by PMIC
RP
UseR reboot
Normal rebooting
NDF
BP
Bootloader reset
After downloading binary or rebooting from recovery mode
NDF
NP
Normal power on
Normal power on
NDF
TP
Thermal reset
When the temperature is too high
S/W defect
NDF
H/W defect
H/W defect
S/W defect with a low p
ercentage
PA_EX
Exception happened on Phone process
S/W defect
PA_AR
ANR happened on Phone process
S/W defect
PF_EX
Exception happened on System server
S/W defect
PF_WD
Watchdog happened on System server
S/W defect
- This document cannot be used without Samsung’s Authorization -

10.

Tip 5. PBA - Transmission & Receiving
Rev 01
Transmission / Receiving
problem
【 Defective Part / Root Cause 】
RF calibration
Pass
Fail
RF radiation test
Pass
① PBA Calibration
② Network
- No problem on the phone.
Inform the customer of low
performance caused by
unstable network.
③ Intenna contact point
④ Intenna
⑤ Intenna coaxial cable
Fail
⑥ PBA
★ Key Point - Confirm if PBA is defective or not !!
RF calibration
RF radiation test
Defective part
Pass
Pass
No problem on the phone
Pass
Fail
Not PBA
Fail
-
PBA
- This document cannot be used without Samsung’s Authorization -

11.

Tip 6. PBA - No SVC
Rev 01
No SVC
【 Defective Part / Root Cause 】
SIM card
recognition
Fail
① SIM card
② SIM socket
Enabled
③ Flight mode setting
Pass
Flight mode
Disabled
S/W update
④ S/W malfunction
Pass & Solved
Not solved
RF calibration
⑤ PBA Calibration
Pass
Pass
Fail
RF radiation test
⑥ Intenna contact point
⑦ Intenna
⑧ Intenna coaxial cable
Fail
⑨ PBA
- This document cannot be used without Samsung’s Authorization -

12.

Tip 7. PBA - Battery drains rapidly
Rev 01
Battery drains rapidly
【 Defective Part / Root Cause 】
Sleep current
(using Anyway Jig)
0~8mA
8mA~
Sleep current
in Safe mode
0~8mA
8mA~
Pass & Solved
S/W update
Fail or Not solved
① Battery capacity
- Inform the customer of
reducing battery capacity as
time goes on.
② Use pattern
- Inform the customer of
power saving mode.
③ 3rd app related to current
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
④ S/W malfunction
⑤ PBA
★ Key Point - Measure sleep current !!
1) Normal (0~8mA) : No problem on the phone
2) Abnormal (8mA~) : Phone problem
- This document cannot be used without Samsung’s Authorization -

13.

Tip 8. UB - No or faulty display
Rev 01
Display problem
【 Defective Part / Root Cause 】
Screen mode,
Power saving
mode
Solved
① Screen settings
Not solved
Damaged, Loose fitting
UB connector
② UB connection
Normal
Solved
③ UB
Replace UB
Not solved
④ PBA
★ Key Point - Display problems like blurred, greenish, noisy
and black display can happen when the UB
is not connected firmly.
- This document cannot be used without Samsung’s Authorization -

14.

Tip 9. OCTA – Missing line, Dot on display
Missing line, Dot
Rev 01
【 Defective Part / Root Cause 】
Reproduced
*#0*#
→ R/G/B
Solved
① UB
Replace UB
Not solved
Not reproduced (working properly)
② PBA
③ S/W or 3rd app related to
display
- Inform the customer of no
H/W defect.
- This document cannot be used without Samsung’s Authorization -

15.

Tip 10. OCTA - Touch problem
Rev 01
No touch
【 Defective Part / Root Cause 】
*#0*#
→ Touch
Not reproduced (working properly)
Reproduced
Replace UB
Not solved
Solved
① S/W malfunction
intermittent
- Recommend initialization
after data backup.
② 3rd app related to touch
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
③ UB
④ PBA
- This document cannot be used without Samsung’s Authorization -

16.

Tip 11. Sub PBA - Sub key problem
Rev 01
Sub key touch problem
【 Defective Part / Root Cause 】
*#0*#
→ Sub key
Not reproduced (working properly)
Reproduced
Replace
UB Ass’y
(sub PBA)
Not solved
Solved
① S/W malfunction
intermittent
- Recommend initialization
after data backup.
② 3rd app related to touch
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
③ UB Ass’y(Sub PBA)
④ PBA
- This document cannot be used without Samsung’s Authorization -

17.

Tip 12. Sub PBA - No charging
Rev 01
No charging
【 Defective Part / Root Cause 】
Charge during
2~5mins
Not reproduced (Solved)
Reproduced (Not solved)
Retest using good
charger(with d/c)
Not reproduced (Solved)
Reproduced (Not solved)
Clean IF
connector
Solved
② Charger(with data cable)
- No charging can happen
with non-original charger.
③ Dust or Foreign materials
Not solved
Replace
UB Ass’y
(sub PBA)
① Battery
- In case of discharged fully,
it takes some time, 3~5mins,
to start charging.
Solved
Not solved
④ UB Ass’y
(Sub PBA, IF connector)
⑤ PBA
★ Key Point - Confirm if the phone is defective or not.
For the battery and charger(with data cable) problems,
explain it to the customer using NDF Charging Guide.
- This document cannot be used without Samsung’s Authorization -

18.

Tip 12. Sub PBA - No charging
NDF Charging Guide !! (For more details, refer to the original guide.)
- This document cannot be used without Samsung’s Authorization -
Rev 01

19.

Tip 12. Sub PBA - No charging
NDF Charging Guide !! (For more details, refer to the original guide.)
- This document cannot be used without Samsung’s Authorization -
Rev 01

20.

Tip 13. Speaker - Sound problem
Rev 01
Sound problem
【 Defective Part / Root Cause 】
*#0*#
→ Speaker
Not reproduced (working properly)
① 3rd app related to sound
-Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
Reproduced
Visual check
(speaker)
Dust, Liquid
Cleaning, Drying
Normal
Speaker
connection
② Dust or Liquid
Damaged, Corrosion
③ Speaker contact point
Normal
Replace
speaker
Solved
④ Speaker
Not solved
⑤ PBA
- This document cannot be used without Samsung’s Authorization -

21.

Tip 14. Receiver - Receiving voice problem
Rev 01
Receiving voice problem
【 Defective Part / Root Cause 】
#0*#
→ Receiver
Not reproduced (working properly)
① 3rd app related to receiver
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
Reproduced
Visual check
(receiver)
Dust, Liquid
Cleaning, Drying
Normal
Receiver
connection
② Dust or Liquid
Damaged, Corrosion
③ Receiver contact point
Normal
Replace
rear case
Solved
④ Rear case (Receiver)
Not solved
⑤ PBA
- This document cannot be used without Samsung’s Authorization -

22.

Tip 15. Mic - Sending voice problem (on receiver) Rev 01
Sending voice problem
【 Defective Part / Root Cause 】
#0*#
→ Receiver
Abnormal
Repair receiver
Normal
*#0283#
→ RCV_1st Mic
OK
NG
Visual check
(1st Mic)
Abnormal (Hole, Rubber)
① 3rd app related to Mic
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
② Mic hole (Dust, Blocked)
③ Rubber (Crumpled)
Normal
Replace
sub PBA
Solved
④ Sub PBA (1st Mic)
Not solved
⑤ PBA
- This document cannot be used without Samsung’s Authorization -

23.

Tip 16. Mic - Sending voice problem (on speaker) Rev 01
Sending voice problem
【 Defective Part / Root Cause 】
#0*#
→ Speaker
Abnormal
Repair speaker
Normal
*#0283#
→ SPK_2nd Mic
OK
② Mic hole (Dust, Blocked)
③ Rubber (Crumpled)
NG
Visual check
(2nd Mic)
① 3rd app related to Mic
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
Abnormal (Hole, Rubber)
Normal
④ PBA (2nd Mic)
- This document cannot be used without Samsung’s Authorization -

24.

Tip 17. Camera
Rev 01
Camera problem
【 Defective Part / Root Cause 】
#0*#
→ Mega cam /
Front cam
Not reproduced (working properly)
① 3rd app related to camera
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
Reproduced
Camera
connection
Dust, Damaged, loose fitting
② Camera connector
Normal
Replace
camera
Solved
③ Camera
Not solved
④ PBA
- This document cannot be used without Samsung’s Authorization -

25.

Tip 18. Keys
Rev 01
Key problem
【 Defective Part / Root Cause 】
#0*#
→ Sub key
Not reproduced (working properly)
① S/W malfunction
intermittent
Reproduced
Key connection
Damaged, Corrosion
② Key contact point
Normal
Replace
rear case
Solved
③ Rear case (Key)
Not solved
④ PBA
- This document cannot be used without Samsung’s Authorization -

26.

Tip 19. Sensors - Proximity
Rev 01
Proximity sensor
problem
【 Defective Part / Root Cause 】
#0*#
→ Sensor
(Proximity)
Working properly
Not working
Visual check
(proximity sensor)
Dust, Protection vinyl on the sensor
② Something to cover
proximity sensor
Normal
Sensor rubber
① S/W malfunction
intermittent
- Recommend initialization
after data backup.
※ Malfunction can happen if
customer’s protection vinyl
covers the sensor.
Crumbled
③ Sensor rubber
Normal
④ PBA
- This document cannot be used without Samsung’s Authorization -

27.

Tip 20. Sensors - FingerPrint
Rev 01
FingerPrint sensor
problem
【 Defective Part / Root Cause 】
#0*#
→ Sensor
(FingerPrint)
Pass
Fail
Home key
connection
Damaged, Loose fitting
① 3rd app related to sensor
- Inform the customer of the
effect of 3rd app on phone,
and recommend initialization
after data backup.
② Use pattern
- Inform the customer of how
to use fingerprint
Normal
③ Home key connector
Replace
UB Ass’y
(home key)
Solved
④ UB Ass’y(Home key)
Not solved
⑤ PBA
- This document cannot be used without Samsung’s Authorization -

28.

Tip 20. Sensors - FingerPrint
Rev 01
How to test FingerPrint sensor !!
■ Test Path : *#0*# → Sensor → NormalScan on FingerPrint test menu
■ Result
Pass
Fail
PASS (for all items)
FAIL (one of all items)
- This document cannot be used without Samsung’s Authorization -