Samsung gt s7562 Samsung Galaxy S Duos S7562 WiFi not Working solution

Samsung gt s7562 Samsung Galaxy S Duos S7562 WiFi not Working solution Schematic, Diagram,Circuit

Samsung gt s7562 Samsung Galaxy S Duos S7562 WiFi not Working solution Step by Step

Step 1

WiFi Function ON

Step 2

WiFi function enabled ?

Step 3

Check the TP_WLAN..
TP_WLAN is ok?

Change UCP300

Step 4

Check the supply voltage of
L208
The supply voltage is ok?

Check PM400

Step 5

Check C242,C243 is

19.2MHz

Step 6

Resolder or replace C242,C243

Check ANT201 ≥ 14 dBm
?

Step 7

Change Rear case

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