Haier HLE20BB Service Manual page 31

3.2 TV No Audio
N
Turn to NO AUDIO
trouble shooting
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TV no audio, having picture
Check audio and PC AV
Check signal ouput of SAW2/M9370M30 PIN1
Y
1. check SAW2
2. check U21 PIN29,30
3. check power supply of U21
4. make sure U21 is damaged
Y
N
Check the net between SAW2
Pin1and C133/0.01μF
Check C133