No Service - Samsung SM-T805 Service Manual

Level 3 Repair

8-3-3. No Service

No service
Yes
Check memu setting
Menu → applications → setting → wireless and network →
mobile networks → network mode → setting is auto mode ?
PHONE : T805XXXX
Menu → Phone → Keypad →
*#1234# → check Phone version →
Check the contact of RF antenna clip ㅁ
PHONE : T805XXXX or
PHONE : unknown
PHONE : unknown
Check the voltage level
No
Replace the U502
R324 = HIGH
Yes
No
Check OSC1001
Replace the OSC1001
Frequency = 26MHz
Yes
Replace UCP301
Yes
END
8-10
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