Gsm1800 Rx - Samsung GT-N7000 Service Manual

Level 3 Repair

8-3-12. GSM1800 RX

NORMAL CONDITION
catch the channel?
Check C1030 ≤ -65dBm ?
Check the Voltage at
C1026 = V_BAT ?
Check L1010,L1015
≥ -65dBm ?
Check component
soldering status OK at
F1000
Check F1000 PIN 18, 19
≥ -65dBm
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?}
Check the freq. at
C1048 : 26MHz ?
GSM1800 Receiver is O.K?
END
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.
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
CHECK soldered
RFS1001, C1030,L1016
Resolder or change
U1002, C1026
Resolder or change
L1010,L1015
Resolder or change
F1000
Resolder or change
F1000
Resolder or change
U1000
Change or resolder
OSC1000
Resolder or change
U300
8-44