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SGH-S342i Flow Chart of Troubleshooting
2. DCS RX
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NORMAL CONDITION
catch the channel?
YES
F700 CHECK
pin13 ≥ -65dBm ?
YES
F700 CHECK
pin3,4 ≥ -65dBm ?
YES
U700 CHECK
pin18, 19 ≥ -65dBm ?
YES
U700
pin 9, 31: 2.8V ?
YES
U700 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
YES
U700
pin1,2,3,28 Vp-p
YES
U100 CHECK!!
SAMSUNG Proprietary-Contents may change without notice
NO
ANT501,R708 contact ?
NO
resolder or change
NO
resolder or change
NO
C734,C735,L707
resolder or change
NO
U100 pinA13, C119
change or resolder
NO
change or resolder
NO
resolder or change
2-8
CONTINUOUS RX ON
RF INPUT : 698CH
AMP : -50dBm
CHECK
C732,CN700
F700
OSC700
U700
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