Acer AT2230 - Page 29

29
No sound
Check the source
Reset source
NG
OK
Check input signal
TV SIF
Check TV
system
Reset TV system
NG
Check TU101
NG
Change TU101
Check U401
OK
OK
Change U401
NG
Check U601
OK
NG
Change U601
Check speaker
NG
Change speaker
Check if mute
OK