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F low Chart of Troubleshooting
7-15. DCS Transmitter
TXO N(5 Le ve l)
Y e s
M O D U LE 1P in 8
> =2 0 d B m
Y e s
M O D U LE 1p in 1 3
> =1 8 d B m
Y e s
U 7 0 2p in 9
> =1 8 d B m
Y e s
U 7 0 2p in 1
< =-1 1 d B m
Y e s
U 7 0 2 p in 1
< =-1 5 d B m
Y e s
U 1 0 0p in
H 8 ,J 8 ,H 7 ,J 7
> =1 V
Y e s
C h e ck U 2 0 0
E N D
N o
R e s o ld e r C N 1 0 1 , C 1 0 1
N o
N o
R e s o ld e r L1 1 8 , R 1 4 4 , C 1 5 4
N o
N o
R e s o ld e r R 1 0 6 , R 1 0 7 , R 1 0 8
N o
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C h e ck M O D U LE 1
p in 1 2=H(2 .6 8 V ),
p in 9 ,1 0=L
Y e s
C h e ck U 7 0 2
p in5 , O K ?
Y e s
R 1 3 5 , C 1 5 7 , C 1 2 3
> = 2 .7 V
O K ?
Y e s
7- 24
N o
C h e ck A N TS w itch
co n tro l circ u it
C h a n g eo r R e s o ld e r
M O D U LE 1
N o
R e s o ld e r o r C h a n g eU 7 0 2
C h e ck +V B A To r P A M
co n tro l s ig n a l
C h e ck &R e s o ld e r R F LO
N o
s ig n a l, R F 1 3 M H z ,
R FP S UP a rt
R e s o ld e r U 1 0 0
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