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Flow Chart of Troubleshooting
10-2-5. DCS/PCS TX
U601 pin #12
= about
29~30 dBm
YES
C604, L603, L604, RFS601
check&change
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U601
NO
pin #6, #9
= 2.9V
YES
1
The voltage of
C626 ≥ 3.7v
YES
U601
pin #8 = 1.2V
YES
U601
pin #4 : High
pin #5 : Low
YES
U601
pin #11 = about
4~5dBm
NO
U602
pin#12, 13 =
2.9V
YES
U602
pin#30 : 26MHz
&
Vp-p : 900mV?
YES
U602
pin#4,#5,#6,#7
= 1.5V
YES
U602
change or resolder
SAMSUNG Proprietary-Contents may change without notice
2
NO
UCD102
check & change
3
NO
BATTERY
check & change
NO
2
UCD102
check
2
NO
UCD102
check
4
YES
U601
check & change
2
NO
UCD102
check
5
NO
OSC601
change or resolder
NO
UCD102
change or resolder
6
10-18
CONTINOUS TX ON CONDITION
TX POWER DAC: 500 CODE APPLIED
CH : 30
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
2
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