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No sound, but picture is normal:
3．
No sound
Check if level of
NV01-PIN19&25
are all high?
No
Check if level of
VV02-b is low?
Yes
Replace
VV02
Check Reset &
Mute circuits of
power amplifier.
Check
Yes
signal
NV01-PIN15&20&21
&22 ?
Check power voltage
of NV01.
No
Check IIC signal of
NV01- PIN23&24.
if
there
is
No
inputted
to
Yes
No
Yes
Check
IIS
(signal
input
circuits) on main
board.
Check +24V on
power board.
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