Samsung galaxy S4 I9500 LCD Display Not Working Solution Schematic,Circuit,Diagram


Samsung galaxy S4 I9500 LCD Display Not Working Solution Step By Step 

Step 1

LCD is still off after PWR ON

Step 2


Check the connection of
Reconnect the HEA 700
HEA 700

Step 3

Check VCC_3.0V_LCD =
3.0V(C642)

Resolder or Replace the PMIC(U600)

Step 4

Resolder or Replace the PMIC(U600)

Check VCC_1.8V_LCD =
1.8V(C707)

Step 5

Check ELVDD_4.6V =
4.6V(C751), ELVSS_-4.4V = -
-1.4~-4.4V(C746)

Resoldering L707, L712
Resoldering U707

Step 6

Replace LCD
Module

Step 7

END







Unofficial Support Site For This Phone By Welcome Zone Haldwani
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