Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-81
U1002 PIN6 : About
30dBm ?
8-3-27. GSM850 / GSM900 TX
Check the Voltage at
C1062, C1059 > 3V?
Resolder or change
PAM1002, C1062, C1066,
C1059, C1065, C1067, C1068,
U1003, C1078, C1095,
C1098, C1101
Check C1034 : About
30dBm ?
Resolder or change
C1034, L1015, C1033
NO
YES
YES
NO
NO
YES
Check C1084 : About
0dBm ?
Resolder or change
C1084, C1077, C1085
YES
GSM850/900 Transmitter is O.K?
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
GSM850 CH : 190
GSM900 CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
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
Summary of Contents for Galaxy Tab S SM-T805
Page 184: ...www s manuals com ...