Samsung GT-I8350 Service Manual page 64

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