Read JBL CINEMA BASE (serv.man2) Service Manual online
NO AUDIO OUTPUT
NO AUDIO
OUTPUT
go
Check whether have
PVCC on main board
PVCC on main board
Yes
No
Check whether have
22V
Replace power
board
Replace U451
No
Yes
Check whether
U253(CS42528) output
signal
Yes
Yes
Replace TPA3116
Check whether have
SCLK, LRCK,DATA from
U251(CS48L11)
No
board
Replace
U253(CS42528)
Yes
Check the voltage of
U251 or replace it
No
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