Haier LT42M1CF Service Manual page 30

42"LCD TV
No sound
Check the source
OK
Check if mute
OK
Check input signal
Check U400
OK
Check U600
OK
Check speaker
NG
Reset source
TV SIF
OK
Check TU200
NG
Change U400
NG
Change U600
NG
Change speaker
30
Haier LT42M1CFA&LT42M1CF
NG
Check TV
system
NG
Change TU200
Reset TV system