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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
10-
23
This Document can not be used without Samsung's authorization
10-2-3. EGSM Transmitter
Check pin #8 of
PAM100 = 2.9V
Check pin #12 of
PAM100 = 2~5dBm
NO
NO
Check and Change
UCD300
YES
YES
Check and Change
UCD300,C101
Check the battery
block
Check pin #7 of
PAM100 = 3.7V
NO
YES
Check pin #6 of
PAM100 = "High"
Check pin #15 of
RFT101 = 7~11dBm
Check and Change
UCD300
Check and Change
RFT101
CONTINOUS TX ON
CONDITION
TX POWER DAC: 500 CODE
APPLIED
CH : 30
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Check and Change
UCD300
Change UCD300
Check and Change
RFT101
Check and Change
OSC100
Check pin #34,35
of RFT101=26Mhz
Check pin #1,2,3,4
of RFT101 = 1.7V
Check and Change
UCD300
Check and Change
PAM100
Check pin #11 of
PAM100 = -5dBm
Check pin #8 of
PAM100 = 1.2V
Check pin #17,4 of
PAM100 = "Low"
Continuous RX ON
RF Input : 62CH
AMP : -50dBm