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Flow Chart of Troubleshooting
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9-23
9-9. Radio part
Radio does not work
Yes
Resolder C422
check VCCD_1.9V on C422
Is it 1.9V?
Yes
check VCCD_2.9V on C423
Is it 2.9V?
No
Resolder C423
Yes
END
Resolder the U401