Flow Chart of Troubleshooting
10-19
10-2-2. DCS Receiver
CONTINUOS RX ON
RF INPUT : 698CH
Cell power : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
C101 contact
NO
1
YES
U102 CHECK
pin6
≥
-65dBm?
CON101
resolder or change
2
NO
YES
U102 CHECK
pin10,11
≥
-
U102
resolder or change
NO
3
YES
C132,L110,L111
resolder or change
U100 CHECK
pin8,9
≥
-65dBm?
NO
4
YES
check the battery contact
and voltage
NO
check the Power
source of U100
5
6
YES
check TCX101
resolder or change
U100 CHECK
pin19,21
:13MHz
NO
YES
END
DCS Receiver is ok?
DCS RX path component
resolder or change
NO