Table of Contents
Advertisement
10-12-5. DCS 1800 Receiver
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Yes
F101 Pin19
>= -65dBm
Yes
F101 Pin5, 6
>= -68dBm
Yes
UPL101
pin 22 >= -70dBm
pin 23 >= -70dBm
Yes
UPL101 pin 4,5,6,7
>= 1V
Yes
Check UME301
END
No
Resolder RFS101,C106
No
No
Resolder C122,C124,L104
No
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Check F101
pin10 = L
,pin11 = L
Yes
Check all voltage
sources of UPL101
>=2.8V
Yes
10-44
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Resolder F101
No
Check & Resolder
RF PSU Part
Resolder UPL101
Advertisement
Table of Contents
