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Flow Chart of Troubleshooting
9-77
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9-2-15. GPS
Operate GPS
Yes
No
Replace F300
Check C308 >= -52dBm?
Yes
No
Replace UCP400
Check R301= High ?
Yes
No
Replace U300
Check C309 >= -53dBm?
Yes
The End
Check ANT300
L301,L303
Abnormal
Resolder ANT300
,L301,L303
Normal
GPS Signal Input: -50dBm
@L301