Dut Can't Power On; Trouble Shooting Chart - JBL CHARGE 5 Service Manual

1. DUT can't power on

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

Trouble shooting chart