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Flow Chart of Troubleshooting
10-2-5. DCS & PCS TX
NO
DUF100 Pin#6
About 2~3 dBm?
YES
DUF100, C100
Check & Change
C127
= 3.7V?
Level of PAM101
Pin #30 is
1.2V?
YES
PAM101 pin#19
About -5 dBm?
PAM101 pin#45
High ?
Change PAM101
U106 Check
Pin#15,16,23,27,31
≥ 2.9V ?
U106 Check
Pin #17 : 13MHz ?
Vpp : 1.1V?
U106 Pin
NO
#46,#4,#45,#58
= 1.7V?
Check
Change PAM101
UCD300
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DUF100
Pin#16 = High?
YES
Level of
NO
DUF100 Pin#17
is
4~5dBm ?
YES
DUF100
Check & Change
NO
Check the
Battery Block
YES
NO
UCD300 TXP OK ?
YES
YES
NO
NO
Check UCD300
YES
NO
YES
NO
YES
YES
SAMSUNG Proprietary-Contents may change without notice
NO
UCD300
Check & Change
Continuous TX ON condition
TX Power Code : 500 code Applied
NO
Check
Check & Change
C104,C105,C106,C110,
C113,C116,UCD300
Check or resolder
NO
R113 = 13MHz ?
Vpp : 1.2V?
YES
C136, R113
resolder
10- 27
CH : 660CH
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB
UCD300
NO
R110 = 1.5V ?
YES
TCX101
Change or resolder
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