![background image](http://html.mh-extra.com/html/samsung/gt-n7000/gt-n7000_service-manual_1192659081.webp)
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.
8-54
U1002 PIN14 : About
30dBm ?
8-3-17. GSM850/GSM900 TX
Check the Voltage at
C1026 = V_BAT?
Check the Voltage at
C1040 =V_BAT ?
CHECK soldered
-
RFS1001, C1030, L1016
L1001, C1018, C1019, RFS1000
Resolder or change
U1002, C1026
Resolder or change
U1005, C1040
Check L1018, L1033,
L1019 : About 30dBm ?
Resolder or change
L1018, L1033, L1019
YES
NO
NO
YES
YES
NO
NO
YES
Check C1049: About
0dBm ?
Resolder or change
C1049
YES
YES
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?}
Resolder or change
U1000
Check the freq. at
C1048 : 26MHz ?
Change or resolder
OSC1000
GSM850/900 Transmitter is O.K?
Resolder or change
U300
END
NO
YES
NO
YES
NO
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