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