Wcdma Band5 Tx - Samsung GT-N7000 Service Manual

Level 3 Repair

8-3-21. WCDMA BAND5 TX

U1002 PIN14 : About
22dBm ?
Check the Voltage at
C1026 = V_BAT ?
Check C1020, L1008:
About 22dBm ?
Check component
soldering status OK at
F1000
Check
L1021, C1054
About 22dBm ?
Check the Voltage at
C1058 = V_BAT ?
Check the Voltage at
C1040 = V_BAT ?
Check C1049
About 0dBm ?
Check the voltage at
{C1062 = VBAT_RF ?}
& {C1000,C100 = V_BAT?}
& {C1061, C1021 = 2.85V ?}
& {C1056, C1016 = 2.65V ?}
& {C1060, C1017 = 1.8V?}
& {C1059, C1022, C1024) =
1.2V?}
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.
YES
NO
NO
YES
YES
NO
NO
YES
YES
NO
NO
YES
NO
YES
YES
YES
NO
YES
CHECK soldered
- RFS1001, C1030, L1016
L1001, C1018, C1019, RFS1000
Resolder or change
U1002, C1026
Resolder or change
C1020, L1008:
Resolder or change
F1000
Resolder or change
L1021, C1054
Resolder or change
U1004, C1058
Resolder or change
U1005, C1040
Resolder or change
C1049
Resolder or change
U1000
8-64
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
WCDMA Band5 CH : 4408
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB