Level 3 Repair
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8-36
Check L126
≤
-65dBm ?
8-3-17. WCDMA Band8 / GSM900 RX
CONTINUOUS RX ON
RF INPUT : 9800CH
AMP : -50dBm
Check the voltage at
{C230,C231=2.2V ?}
&
{C234,C240,C246,C249,C250,C
253=1.3V ?}
resolder or change
U501
Check the freq. at
OSC500 : 19.2MHz ?
change or resolder
OSC500
GSM900/BAND8 Receiver is O.K?
END
YES
NO
YES
NO
YES
Check L122, L112,L113,
C121, C124
≥
-65dBm ?
resolder or change
F101, L122, L112,L113, C121,
C124
NO
NO
NORMAL CONDITION
catch the channel?
Check the Voltage at
L108 = 2.85V
CHECK soldered
RFS100,L126,L122,C105,C110
resolder or change
U501
NO
YES
NO
NO
YES
resolder or change
U204
Summary of Contents for GT-I8350
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