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7-19. PCS Transmitter
TXO N(0 Le ve l)
Y e s
M o d u le 1P in 8
> =2 0 d B m
N o
M o d u le 1p in 1 3
> =1 8 d B m
N o
U 1 0 1p in 9
> =1 8 d B m
N o
U 1 0 1p in 1
> =-1 1 d B m
N o
U 1 0 0H 7 ,H 8 ,J 7 ,J 8
> =1 V
Y e s
C h e ck U 2 0 0
E N D
Y e s
R e s o ld e r C N 1 0 0 , C 1 0 1
Y e s
Y e s
R e s o ld e r L1 0 1 , C 1 1 7 , L1 1 2 , C 1 3 9
Y e s
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 , p in 1 0=L
Y e s
Y e s
C h e ck U 1 0 1
+V B A T, p in 4 , p in 6
O K ?
N o
C h e ck U 1 0 0
N o
J 2 ,A 6 ,B 6 ,A 9 ,E 9
> = 2 .7 V
O K ?
Y e s
7- 35
F low Chart of Troubleshooting
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
R e s o ld e r o r C h a n g eU 1 0 1
C h e ck +V B A To r U 1 0 1
co n tro l s ig n a l
C h e c k &R e s o ld e r
U 1 0 0 , R 1 1 4 , R 1 1 6
R F 2 6 M H z , R FP S UP a rt
R e s o ld e r U 1 0 0
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