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10-2-4. EGSM TX
NO
F100 Pin#6
About 2~3 dBm?
YES
RFS701, C700
Check & Change
C713
= 3.7V?
YES
Level of PAM101
Pin #6 is
1.2V?
YES
PAM101 pin#12
About -5 dBm?
PAM101 pin#1
High ?
Change PAM101
U106 Check
Pin#34 ≥ 2.8V ?
UCD100 Check
Pin #21 : 13MHz ?
Vpp : 1.2V?
NO
UCD100 Pin
#38, = 1.7V?
Change PAM101
Check U102
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F100
Pin#4 = High?
YES
Level of
NO
F100 Pin#3 is
4~5dBm ?
YES
F100
Check & Change
NO
Check the
Battery Block
NO
Check
UCD100 pin#3
is high?
YES
YES
Check & Resolder
NO
NO
Check U102
YES
NO
YES
NO
Pn#1 : Freq =13MHz,
YES
Check & resolder
YES
SAMSUNG Proprietary-Contents may change without notice
NO
U102
Check & Change
Continuous TX ON condition
TX Power Code : 500 code Applied
NO
Check U102 TXP
R706
C706, U102
Check or resolder
OSC700 Check
NO
Vpp=1.2V?
YES
UCD100
10-31
Flow Chart of Troubleshooting
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB
OSC700
Check & resolder
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