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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.
8-66
Check C1026
≤
-65dBm ?
8-3-22. LTE Band3 RX
NORMAL CONDITION
catch the channel?
Check the voltage at
{C1058, = 1.8V ?}
& {C1055 = 1.2V ?}
& {C1048 = 1.5V ?}
& {C1057 = 2.5V ?}
Check the Voltage at
{C1023 > 3.6V?}
Check C1025
≥
-65dBm ?
CHECK soldered
RFS1001, F1001, C1015,
L1011, C1018
Resolder or change
U1002, C1023
Resolder or change
U1001
Resolder or change
U1007
Check the freq. at
C1099 : 26.0MHz ?
Change or resolder
OSC1001
Check C1028
≥
-65dBm ?
Resolder or change
C1028, C1002, C1027,
C1026, R1009
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
LTE B3 Receiver is O.K?
Resolder or change
UCP301
END
NO
CONTINUOUS RX ON
RF INPUT : 1575CH
AMP : -50dBm
Содержание Galaxy Tab S SM-T805
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