1
7
7.1.7. No Sound
7.1.7.1. No Sound (Bluetooth®)
7.1.7.2. No Sound (Optical)
No remote control function
3 3 V
NG
Connect the AC
mains lead
3.3 V
at “STB_3V3”
[Refer to check point ④]
Change
Main PCB Unit
NG
No Sound (Bluetooth®)
If the pairing failure,
p
g
,
Go to “Bluetooth® Pairing failure”
Press the Power
button to turn on
the unit.
Connect
Bluetooth® device
3.3 V
at “STB_3V3”
[Refer to check point ③]
No sound
Play sound
NG
Yes
NG
OK
OK
NG
Go to
“Bluetooth® Pairing failure”
No problem
found
Change
Main PCB Unit
NG
Change
LED PCB Unit
Change
Main PCB Unit
OK
Check the FFC cable is
connect correct (Main XP9 to
LED XP1)
Connect correct or
still no sound
No problem
found
OK
Connect correct or
change
FFC cable
No HDMI OUT
P
th P
l t “HDMI(ARC)”
Y
Press the Power
button to turn on the
unit
No output
NG
select “HDMI(ARC)”
source and connect
TV with ARC to HDMI
Change
Main PCB Unit
Yes
No problem found
No Sound (Optical)
Press the Power
button to turn on the
unit
No output
OK
Select “OPTICAL”
source and connect
BD/DVD device
Change
Main PCB Unit
NG
No problem found
