Haier LT22M1CWA Service Manual page 30

22"LCD TV
No sound
Check the source
OK
Check if mute
OK
Check input signal
OK
Check U401
OK
Check U601
OK
Check speaker
NG
Reset source
TV SIF
OK
Check TU701
NG
Change U401
NG
Change U601
NG
Change speaker
30
Haier LT22M1CWA&LT22M1CW
NG
Check TV
system
NG
Change TU701
Reset TV system