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Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-105
U1002 PIN6 : About
30dBm ?
8-3-28. LTE Band5 TX
Check the Voltage at
C1062, C1059 > 3V?
Resolder or change
PAM1002, C1062, C1066,
C1059, C1065, C1067, C1068,
U1003, C1078, C1095,
C1098, C1101
Check L1016 : About
20dBm ?
Resolder or change
L1016, C1030
NO
YES
YES
NO
NO
YES
LTE B5 Transmitter is O.K?
END
CHECK soldered
RFS1001, F1001, C1015,
L1011, C1018
Resolder or change
U1002, C1023
YES
NO
Check the Voltage at
{C1023 > 3.6V?}
Check the voltage at
{C1058, = 1.8V ?}
& {C1055 = 1.2V ?}
& {C1048 = 1.5V ?}
& {C1057 = 2.5V ?}
Resolder or change
U1007
Check the freq. at
C1099 : 26.0MHz ?
Change or resolder
OSC1001
NO
YES
NO
YES
Resolder or change
UCP301
NO
Check L1005 : About
20dBm ?
Resolder or change
U1001, L1005, C1003, C1011
NO
NO
Check C1080 : About
0dBm ?
Resolder or change
C1080, L1040, C1081
YES
NO
CONTINUOUS TX ON CONDITION
TX POWER IDX1 APPLIED
LTE Band5 CH : 20525
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Содержание Galaxy Tab S SM-T805
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