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ONBEAT HOTEL - JBL Audio Service Manual (repair manual). Page 13

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5-3                             Trouble shooting Chart 
 
AUX in does not work 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
AUX in does not 
work 
Go 
No 
Check the power supply
 
 
Yes 
Yes 
Check the voltage, clock and 
data of U16
 
 
Yes 
Check the voltage PVDD and 3.3V for 
TAS5707
 
 
Check Main Board U14 Pin1 PIN2, signal 
input whether right or not 
 
Check the input signal of U19 
whether normal 
or not
 
Check the Aux connector 
whether normal or 
not
 
Fix the connector 
Yes
No 
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