Do Not Work; Trouble Shooting - JBL Party Box 200 Service Manual

TROUBLE SHOOTING

Check 24pin FFC cable(XP25)
to main board of connect yes
or not?
Check from power board the
24V power supply is normal?
Yes or not?
Do you have a plug in the
power line?
Check Battery cable(XP3) to
main board of connect yes or
not?
Plug in the battery line
Do not work
GO
YES
NO
NO
NO
NO
nstead of new 24pin FFC cable
I
YES
Replace the main board
YES
Replace the power board
YES
Replace the main board