JBL CHARGE 5 - Troubleshooting Guide; Device Not Powering On

1. DUT can't power on
Check the FFC cable(12pin) connect
main board and key board
DUT cannot power on
Yes
Plug USB cable,the
power LED on
No
DUT is in Demo model,Exit Demo
yes
Replace the Power key
No
Yes
Replace the mainboard
Replace the battery
No
Yes
No
Check the battery is
OK or not
Replace the FFC cable(12pin)
Yes
Check the power key is
Ok or not
Trouble shooting chart