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Flow Chart of Troubleshooting
7-30
L711
8
N
C
N
C
91 0
N
C
N
C
7
1
G
N
D
G
N
D
6
12
GND
U702
OUT
OUT 4
L705
F700
2
GG
5
IN
1
3
IN
1
3
OUT
OUT 4
L704
F701
2
GG
5
C735
F702
2
GG
5
IN
1
3
OUT
OUT 4
L716
L708
L715
L707
L713
L712
C733
L710
L714
C727
L706
PCS_RXP
PCS_RXM
DCS_RXP
DCS_RXM
GSM_RXP
GSM_RXM
7-13. DCS Receiver
C733
>= -60dBm
Resolder U702(ASM)
END
No
Yes
RX ON
RF input : CH center freq +67.7kHz
Amp : -50dBm
L708
>= -65dBm
Resolder U700
(RTR6250)
Yes
Yes
Yes
No
Resolder F701
(DCS SAW)