Advertisement
Level 3 Repair
8-3-13. No Service
No service
Yes
Check memu setting
Menu → applications → setting → wireless and network →
mobile networks → network mode → setting is auto mode ?
PHONE : T211XXXX
Menu → Phone → Keypad →
*#1234# → check Phone version →
Check the Main Antenna exists or not
PHONE : T211XXXX
No
No
Check the C126,C153,C141,C152
Re-solder C126,C153,C141,C152 correspondingly.
is well soldered
Yes
No
Check VDD
Replace the U124
V(C128) = 2.8V
Abnormal
Change the Main Antenna
Abnormal
Change the PBA
Yes
END
8-32
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
Advertisement
