Wcdma Band2 Drx - Samsung SM-T805 Service Manual

8-3-24. WCDMA Band2 DRX

NORMAL CONDITION
catch the channel?
Check C1093 ≤ -65dBm ?
Check the Voltage at
{C1023 > 3.6V?}
Check L1056
≥ -65dBm ?
Check L1060
≥ -65dBm ?
Check the voltage at
{C1058, = 1.8V ?}
& {C1055 = 1.2V ?}
& {C1048 = 1.5V ?}
& {C1057 = 2.5V ?}
Check the freq. at
C1099 : 26.0MHz ?
WCDMA B2 Receiver is O.K?
END
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NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
CHECK soldered
C1093, L1041, C1094,
C1119, L1042, C1092
Resolder or change
U1008, C1103
Resolder or change
C1109, L1056, L1059, C1106
Resolder or change
F1006, L1060, C1107, C1108
Resolder or change
U1007
Change or resolder
OSC1001
Resolder or change
UCP301
8-120
Level 3 Repair
CONTINUOUS RX ON
RF INPUT : WCDMA B2:
9800CH
AMP : -50dBm