Lte Band1 / Wcdma Band1 Drx - Samsung SM-T805 Service Manual

Level 3 Repair

8-3-24. LTE Band1 / WCDMA Band1 DRX

NORMAL CONDITION
catch the channel?
Check C1093 ≤ -65dBm ?
Check the Voltage at
{C1023 > 3.6V?}
Check L1048
≥ -65dBm ?
Check L1051, L1053
≥ -65dBm ?
Check the voltage at
{C1058, = 1.8V ?}
& {C1055 = 1.2V ?}
& {C1048 = 1.5V ?}
& {C1057 = 2.5V ?}
Check the freq. at
C1099 : 26.0MHz ?
WCDMA B1 / LTE B1
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
C1104, L1052, L1048
Resolder or change
F1005, L1051, L1053, L1054
Resolder or change
U1007
Change or resolder
OSC1001
Resolder or change
UCP301
8-117
CONTINUOUS RX ON
RF INPUT : LTE B1: 300CH
WCDMA B1: 10700CH
AMP : -50dBm