Dcs Rx - Samsung SGH-X210 Service Manual

Flow Chart of Troubleshooting

10-2-2. DCS Rx

CONTINOUS RX ON
RF INPUT : 698CH
AMP : -50dbm
Normal condition
catch the
channel ?
Yes
Check PAM100
pin 12 ≥ -65
dbm ?
Yes
Check PAM100
pin 18 ≥ -65
dbm ?
Yes
Check UCD101
pin 19,20 ≥ -
65dBm ?
Yes
Check UCD101
pin 13 = 2.9V
Yes
Resolder or change
UCP201
No
Check ANT,
No
Resolder or change
RFS100,C102,C199,L100,L101,L111
No
Resolder or change
No
Resolder or change
F102,C117,C118,L105
Resolder or change
No
10-13
C104,C126,L102,L113
PAM100
UCD107
1
2
3
4
5