Level 3 Repair
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8-108
U1002 PIN6 : About
30dBm ?
8-3-28. LTE Band7 TX
Check the Voltage at
C1069, C1070 > 3V?
Resolder or change
PAM1001, C1069, C1070,
C1071, U1003, C1078,
C1095, C1098, C1101
Check C1044 : About
20dBm ?
Resolder or change
F1003, C1044, L1030, C1043
NO
YES
YES
NO
NO
YES
Check C1073 : About
0dBm ?
Resolder or change
C1073, C1074, L1034, L1037
YES
LTE B7 Transmitter is O.K?
NO
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 C1075 : About
20dBm ?
Resolder or change
C1075, L1035, C1076
NO
NO
CONTINUOUS TX ON CONDITION
APPLIED
LTE Band7 CH : 21100
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Summary of Contents for Galaxy Tab S SM-T805
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