Samsung GT-I9500 Service Manual page 47

Level 3 Repair
8-3-8. No Service
Check memu setting
Menu → applications → setting → wireless and network →
mobile networks → network mode → setting is auto mode ?
Menu → Phone → Keypad →
*#1234# → check Phone version →
Check the CP V_BAT
L300,L301,L302,C300 = 3.6~4V
Check the CP_VSD1,CP_VSD2_1.8V
CP_VSD1 (C352) =0.9~1.4V
CP_VSD2 (C353) = 1.8V
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No service
Yes
PHONE : I9500XXXX or
PHONE : unknown
PHONE : unknown
Yes
Abnormal
Change the board
Yes
END
PHONE : I9500XXXX
Check the contact of antenna.
(Sub FPCB)
No
No
8-15
Replace the L300,L301,L302,C300
Replace the UCP300