Lte Band20 Drx - Samsung SM-T805 Service Manual

Level 3 Repair

8-3-24. LTE Band20 DRX

NORMAL CONDITION
catch the channel?
Check C1093 ≤ -65dBm ?
Check the Voltage at
{C1023 > 3.6V?}
Check C1102
≥ -65dBm ?
Check L1045
≥ -65dBm ?
Check the voltage at
{C1058, = 1.8V ?}
& {C1055 = 1.2V ?}
& {C1048 = 1.5V ?}
& {C1057 = 2.5V ?}
Check the freq. at
C1099 : 26.0MHz ?
LTE B20 Receiver is O.K?
END
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.
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
CHECK soldered
C1093, L1041, C1094,
C1119, L1042, C1092
Resolder or change
U1008, C1103
Resolder or change
C1102, L1012
Resolder or change
F1004, L1045, L1046, L1044
Resolder or change
U1007
Change or resolder
OSC1001
Resolder or change
UCP301
8-135
CONTINUOUS RX ON
RF INPUT : LTE B20: 6300CH
AMP : -50dBm