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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-19
This Document can not be used without Samsung's authorization
10-2-4. DCS Tx
CONTINUS TX ON CONDITION
TX POWER DAC : 560 CODE
APPLIED
CH : 698CH(DCS),
660CH(PCS)
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV : 10dBm
ATT : 20dB
Check
PAM100
pin 4 : 2.8V ?
PAM100 pin19:
about 4~5dbm?
No
Check
PAM100 pin 16
: about 2~3
No
Check and
change
UCP200,UCP300
Yes
No
Yes
Yes
U300
check & change
No
Battery,
PAM100
check & change
Yes
No
PAM100
check
Yes
No
Yes
No
UCP300
check
Yes
PAM100
change or resolder
U103 pin
2,3,22,23 :
100mV ?
No
UCP300
change or resolder
Yes
U103
change or resolder
PAM100 pin 1 :
3.7V ?
PAM100 pin 3 :
1.2V ?
PAM100 pin 11
:
about -5dbm?
PAM100 pin 1 :
2.8V ?
Check and change
RFS100,L107,L108,
C103,C105,L101