JBL ONBEAT HOTEL (serv.man2) Service Manual ▷ View online
4-3
4-4
5-1 Trouble shooting Chart
lighting do not charging
No
Lighting do not charging
Go
No
Check U15
Peripheral component
And CHARGE_5V
Yes
Check the Docking
Whether can
the authentication
Yes
Replace U15 on the main board
Check XP5 PIN1, PIN2,PIN3 whether
the voltage is 5V or not
the voltage is 5V or not
Check FPC Cable
connect the lighting
connector
5-2 Trouble shooting Chart
BT in does not work
BT in does not work
Go
Yes
Yes
Yes
Replace the AMP IC TAS5707
Check the voltage PVDD for TAS5707
Check the voltage of 3.3V for TAS5707
Check the voltage, clock and Data of
U16,U19,U7
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