User Guide

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
:-50
dBm
Pin
#3
of OSC100
26
MHz
?
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