Read JBL CINEMA BASE (serv.man2) Service Manual online
Remote
control does
not work
go
Check whether battery
of remote control is
exhausted
Yes
Replace battery
REMOTE CONTROL DOES NOT WORK
Check whether have
+3.3V_STB and IR signal
on CON203
No
Yes
Replace EQ board
Check LDO U455 circuit
and IR_IN connection
on main board
No
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