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Checking ANT SW & Mobile SW (1)
Check RF Level FL501 Pin 3,5
≥ -63dBm
Yes
Check VC1, VC2 of FL501
VC1=Low & VC2=High or
VC1=High & VC2=Low ?
Yes
Check FL501 Pin 8
≥ 20dBm
Yes
Check SW501 Pin 1,2 with
no RF cable connected
Short ?
Yes
Check SW501 Pin 1,2 with
RF cable connected
Open ?
Yes
ANT SW & Mobile SW is OK.
Change the board
(Tx pass continued)
Tx standalone mode is
needed
No
Replace U504
No
Replace
the board
No
Replace
FL501
No
Replace
SW501
No
Replace
SW501
-100-
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