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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-27
This Document can not be used without Samsung's authorization
3-2-4. EGSM Tx
Check pin #12 of
U100 = 2~5dBm
Check and Change
UCD301
Check pin #8 of
U100 = 2.9V
Check pin #7 of
U100 = 3.7V
Check pin #6 of
U100 = "High"
Check pin #17,4 of
U100 = "Low"
Check pin #8 of
U100 = 1.2V
Check pin #11 of
U100 = -5dBm
Check and Change
U100
Check pin #15 of
U101 = 7~11dBm
Check and Change
UCD301
Check pin #1,2,3,4
of U101 = 1.7V
Check pin #34,35
of U101=26Mhz
Check and Change
OSC100
Check and Change
U101
Check and Change
U101
Change UCD301
Check the battery
block
Check and Change
UCD301
Check and Change
UCD301
Check and Change
UCD301,C101
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
CONTINOUS TX ON
CONDITION
TX POWER DAC: 500 CODE
APPLIED
CH : 30
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB