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SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-
12
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F1001 CHECK
pin53 ≥ -65dBm ?
3. PCS RX
CONTINUOUS RX ON
RF INPUT : 660CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT1001, R1015, L1009
U1002
pin 9: 2.8V ?
F1001 CHECK
pin6 ≥ -65dBm ?
U1002 CHECK
pin16, 17 ≥ -65dBm ?
C1003, F1003
Solder again or change
F1001
Solder again or change
C1022,F1002,C1012,C1013,L1006
Solder again or change
U102 pin39, C112
Solder again or change
U1002 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC801
Solder again or change
U1002
Solder again or change
U701
Solder again or change
U1002
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES