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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-
9
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10-2. RF
10-2-1. GSM900/GSM1800/GSM1900 RX
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
Pin #3 of OSC100
26MHz ?
YES
NO
Pin #12 of PAM100
No signal loss ?
Pin #1 of
F101(G),F102(D),F103(P)
No signal loss ?
Pin 21,22(G)#19,20(D)
#17,18(P) of UCD101
No signal loss ?
Change or resolder OSC100
Change or resolder
C102, L102, L104
Change or resolder
C101, PAM100(GSM)
C106, PAM100(DCS)
C111, PAM100(PCS)
Check UCD300
NO
NO
YES
YES
Change or resolder
C100, C103, L100(GSM)
C105, C108, L103(DCS)
C110, C112, L105(PCS)
YES
NO
Pin #4567 of UCD101
Any signal ?
YES
Change or resolder
UCD101
NO
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