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8. Level 3 Repair
8-4-19. WIFI part
WIFI is not working
Check the WIFI function on
Check the voltage of
C3008,C3008=1.1v,
C3023,C3010,C3020=1.8V
Check the status of
F3001, F3002,
F3004,U3002
Enable WIFI function
Check the U5011
(crack,open,damage, etc)
NO
Ab
YES
Resolder or replace
F3001, F3002, F3004,U3002
NO
Ab
YES
YES
END
NO
Ab
Check
C3034,L3007,L3008,C3061,
C3027,C3033,C3028,C3029
,C3039,C3150,C3030
Resolder or replace
C3034,L3007,L3008,C3061,C3027,
C3033,C3028,C3029,C3039,C3150,
C3030
YES
NO
Ab
Resolder or Replace U3003
YES