AOC N32W551T Service Manual page 30

32'' LCD TV
5.5 No sound
Check the source
OK
Check signal filter circuit
Check Earphone jack
OK
Check Audio decoder MSP3410G U4
OK
Check U63, U61
OK
Check Amplifier MAX9714 U60
OK
Check speaker
NG
Reset source
NG
Replace the filter or inductance
NG
Replace the Earphone jack
SIF signal Check TV system setup
Check Tuner
AV, AIR1/AIR2, PC signal
NG
Replace U4
NG
Replace U63 or U61
NG
Replace U60
NG
Replace speaker
30
OK
NG
Replace Tuner
AOC N32W551T