No audio output
Check whether the audio
signal is right from the
U16:'3pin
R1116 is ok
Check If the R1034,R88
is on
No audio output
Yes
and12pin
and
Yes
4-2
NO
Check the U16 power supply
(U16:9pin=3.3V)
NO
Add these two components
Trouble shooting chart
Replace the U16
