Level 3 Repair
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8-21
8-3-7. WIFI
WIFI is not working
Check WIFI function ON
No
Enable WIFI Function
Yes
END
Check the Coaxial cable(White)
(crack, damaged, etc.)
No
1. Reconnect or change Coaxial cable
2. Replace REAR Cover
Yes
Check SUB PBA on the SPK R
(open, crack, deviation, etc)
No
1.
Resolder or change the wrong element
2. Replace REAR Cover
Yes
Check the Voltage on
TP213 = 1.8V
No
Check the AP(U403)
(crack, open, damaged, etc.)
Yes
Yes
Yes
No
Check the PMIC(U500)
(crack, open, damaged, etc.)
Yes
Check the Voltage on
C245
≥
3.4V
Check the Status of
OSC201, C235, C236, R204
No
Resolder or change the
OSC201, C235, C236, R204
Resolder or Replace U217
Check (crack,open,etc)
C209,C212,C215,C216,C224,C234,C238,C255,
C256,C267,C269,L209,L210,L211,L216
Resolder or change the wrong element
(open, crack, deviation, etc)
No
Yes