Samsung GT-B6520 Service Manual page 117

Gsm telephone
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8-3-2-17. WLAN
WLAN is out of order.
Yes
Check ANT condition
is OK?
(crack,open,etc)
Yes
Check U205~ANT200
(C259,C215,L204,C258,L200,
F200,L203,C214)
(crack,open,etc)
Yes
Check U205
pin 4/6/8
= H/L/L or L/H/L
Yes
Check U201~U205
R,LC, F201,F202,
Yes
Check VDD
C203 = 2.6V,
C208,209=1.8V,
C217,261=3.3V,
C255=1.8V,
Yes
CHECK U201, OSC200,
(crack,open,etc)
END
No
No
No
No
No
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Change Antenna.
Resolder
C259,C215,L204,C258,L200,F200,L203,C214
CHECK U201
(crack,open,etc)
Resolder C212,C213,C226,L210,C244
and F201, F202
CHECK U401
(crack,open,etc)
8-67
Level 3 Repair

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