
Level 3 Repair
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8-48
Check C1023
≤
-65dBm ?
8-3-20. WCDMA Band1 RX
NORMAL CONDITION
catch the channel?
Check the voltage at
{C1057 = VBAT_RF ?}
& {C1056 = 2.85V ?}
& {C1054 = 2.65V ?}
& {C1058 = 1.8V?}
& {C1059 = 1.2V?}
Check the Voltage at
C1014 = 2.85V ?
Check component
soldering status OK at
F1000
CHECK soldered
L1004, C1023, C1026, RFS1000
Resolder or change
U1000, C1014
Resolder or change
F1000
Resolder or change
U1004
Check the freq. at
OSC1000 PIN 1 or PIN
3 : 26MHz ?
Change or resolder
OSC1000
Check C1078
≥
-65dBm ?
Resolder or change
Check C1078
WCDMA Band1
Receiver is O.K?
Resolder or change
UCP3000
END
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check F1000 PIN 14, 15
≥
-65dBm
Resolder or change
F1000
NO
YES
CONTINUOUS RX ON
RF INPUT : 10700CH
AMP : -50dBm
Summary of Contents for GT-P5200
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