No Charging - Samsung Galaxy S7 Edge Service Manual

Troubleshooting

No Charging

Step
1 Confirm the defect symptom
Charge the customer battery during
2
5min at least.
** Analyse reasons of No-Charging using the
Power & Current test jig
3
with no defect charger.
(Test battery voltage should be below 85%)
customer's charger
** Test a
4
Current test jig
5 Disassemble and check I/F connector visually
6 Replace a battery
7 Check the voltage of L7022
8 Check the voltage of C7101
** Usage guide of the Power & Current test jig has been uploaded at GSPN. (Power & Current Tester_Rev4_150716.pdf)
Check point
Charging test mode
using the Power &
TA test mode.
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Result value
-
Solved
Not solved
PASS
FAIL
PASS
FAIL
Dust
Damage
Normal
Solved
Not solved
L7022 = 5V
If not the correct value
C7101 = 5V
If not the correct value
Defect point
-
Totally discharged battery
Battery
Go to the step 4
Go to the step 5
Go to the step 1
Customer's Charger
Clean I/F connector
Replace I/F connector
Go to the step 6
Go to the step 1
Go to the step 7
Go to the step 7
may not connected charger
Replace the U7011
Replace the U7009
Confidential