Display Problem - Samsung Galaxy J5 SM-J510FN Service Manual

Troubleshooting

Display Problem

Step
1 Confirm the defect symptom
2 Check the AMOLED connector (HDC6002)
3 Replace the AMOLED
Connect a AMOLED, and display on with a
4 power supply
(power supply voltage : 4.0V)
Check the voltage of C6039 = 3.0V
5
Notice. It should be measured when the display is
activated on
Check the voltage of C6038 = 1.8V
6
Notice. It should be measured when the display is
activated on
Check the voltage of following chips
(C6051,C6052,C6050)
7
Notice. It should be measured when the display
is activated on
Check point
- This document cannot be used without Samsung's Authorization -
Result value
-
Broken, dust, corrosion
Loose fitting
Normal
Solved
Not solved
-
If not the correct value
C6039=3.0V
If not the correct value
C6038=1.8V
If not the correct value
C6041 = +7.6V
C6043 = 4.6V
C6042 = -4.0V
Defect point
-
AMOLED connector
(HDC6002)
Connection
Go to step 3
AMOLED
Go to step 4
-
LDO(U5006)
(VDD_LCD_3P0)
Go to step 6
LDO(U6004)
(VDD_LCD_1P8)
Go to step 7
OLED DC DC (U6000)