AOC VA320E Service Manual page 21

32"LCD TV
5. No sound
Check the source
OK
Check U601 circuit
OK
Check U603 circuit
OK
Check mute circuit
OK
Check Speaker
TV sound check TV setup and power
HDMI check U501 and EDID
Check headphone circuit and U602
NG
Reset source
NG
Replace around component
NG
Replace around component
NG
Replace around component
NG
Replace Speaker
NG
Replace TU101
NG
Update EDID or replace U501
NG
Replace around component
27
VA320E