
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-22
9-14. DCS Receiver
Check DUF200
pin10,pin12 = L
Check U500
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Resolder U101
Check & Resolder
U100, OSC100
RF26MHz, RF PSU Part
U101 pin 10,15
>=2.8V
Resolder L107, L108, L109
Resolder DUF200
Check ANT Switch
control circuit
U101
pin 35 >= -70dBm
pin 36 >= -70dBm
U101 pin 6,7,8,9
>= 1V
DUF200 1,2
>= -68dBm
RX ON
RF input : 698CH center freq : 1842.4MHz
Amp : -50dBm
Yes
No
END
Resolder RFS200,C203,L201
DUF200 Pin8
>= -65dBm