JBL FLIP 3, Руководство по обслуживанию

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Trouble shooting Chart
AUX in does not work
AUX in does not
work
Go
No
Fix the connector
Yes
Replace Q12 in main board
No
Yes
Check the voltage, clock and data of
U7 and in main board
Replace U10
No
Yes
Check the connector between Aux-In board
and main board whether normal or not
Check voltage at U9 PIN3 and pin5 :REF in
main Board whether normal or not
Check the input signal of U10 in the
main board whether normal or not
Check voltage at U9 PIN8:12V in main
Board whether normal or not
Check the power supply and Replace
U4 L8,D34 in main board
Yes
No
5-3