Level 3 Repair
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8-19
Check C136
≤
-65dBm ?
8-3-10. WCDMA Band1 RX
CONTINUOUS RX ON
RF INPUT : 10700CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
Check the voltage at
{L105= V_Battery ?}
& {C120, C127 = 2.5V ?}
& {C114, C111, C128 = 2.32V }
& {C119 = 1.8V?}
& {C118, C117, C115, C110,
C106 = 1.5V?}
& {C122, C108 = 1.2V?}
Check F100 PIN6
≤
-65dBm ?
Check F101 PIN 21, 22
≤
-65dBm ?
CHECK soldered
RFS100, L111, C136
Resolder or change
F100
Resolder or change
F101
Resolder or change
U103
Check the freq. at
OSC100 PIN 4 : 26MHz ?
Change or resolder
OSC100
Check component
soldering status OK at
F101
Resolder or change
F101
WCDMA B1 Receiver is O.K?
Resolder or change
U300
END
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check the voltage at
C166= V_Battery ?
CHECK soldered
L119, C166
NO
NO
