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9-2-5. DCS & PCS TX
NO
U100 Pin 6
About 2~5 dBm?
YES
U100, C100
check & change
PAM100 pin 5
: 3.7V ?
YES
PAM100 pin 3
: 'HIGH'
YES
PAM100 pin 1
: 'HIGH'
PAM100 pin 6
: 1.2V ?
YES
PAM100 pin 2
: -5dBm ?
YES
PAM100
check & change
C108
Check & Change
NO
Pin 35,36,37,38
U300
change
check & change
SAMSUNG Proprietary-Contents may change without notice
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U100
Pin 4 : 2.9V
YES
PAM100 pin14
NO
3~6dBm ?
YES
PAM100, R104 check & change
NO
Check the
Battery Block
NO
U300
check & change
NO
U300
check & change
YES
NO
NO
U101
pin 40 :
7~11dBm?
NO
YES
U101
NO
pin21 13MHz
Vp-p : 950mV
:1.7V
YES
U101
change or resolder
NO
U300
check & change
Continuous TX ON condition
U101
NO
pin 3 : 13MHz
Vp-p : 950mV
YES
U101
pin 4 : 2.9V?
change or resolder
9-23
Flow Chart of Troubleshooting
MS TX level 12
CH : 660CH
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB
TCX100
YES
U101
change or
resolder
NO
NO
U300
TCX100
change or
resolder
YES
U101
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