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RX Trouble
TEST POINT
SW400
Pin 1
Pin 2
U400
Pin 3
CHECKING FLOW
FL400
Pin 7
FL401
U102
Mobile SW & ASM is
- 53 -
4. TROUBLE SHOOTING
Check Pin 1, 2 of
SW400
with RF Cable
N o
Replace Mobile
Signal is
OK ?
Yes
Check Pin 1,2
Yes
Control
No
Signal is
OK ?
Yes
Pin 3,7
N o
Signal is
normal ?
Yes
OK.
Check Antenna.
SW (SW400)
Check ULC2
(U102)
Replace ASM
(FL400)
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