Samsung GT-P7320 Service Manual page 86

Level 3 Repair
8-3-17. GSM 850/900 RX
NORMAL CONDITION
catch the channel?
Check C110 ≤ -65dBm ?
Check the Voltage at
C118 VREG_FEMID_2.85V
Check L125,L127
≥ -65dBm ?
Check the voltage at
{C218, C219 = 1.8V}
& {C210 = 1.2V}
& {TA200 = 1.3V}
& {C216,C217,C205 = 2.2V}
Check the freq. at C284,
R202: 19.2MHz ?
GSM 850/900 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
CHECK soldered
RFS100, C110, L107
Resolder or change
C118
Resolder or change
L125,L126,L127,F102
Resolder or change
L201,C829,L800,
Change or resolder
C284, R202
Resolder or change
U202
8-50
CONTINUOUS RX ON
RF INPUT : 190/62CH
AMP : -50dBm