Epson EMP-8000 Service Manual page 98

Audio out
Start
Connect the audio cable to
the Audio In interface.
Does internal speaker R/L
output the sound?
NO
Re-connect the CN201/202
on the AU board.
Does internal speaker R/L
output the sound?
NO
Replace speaker R/L.
Does internal speaker R/L
output the sound?
NO
Replace AU board.
Does internal speaker R/L
output the sound?
NO
Replace MA board.
Revision:A
EMP-9000/8000
A
Does volume control works?
NO
Replace AU board.
YES
Does volume control works?
NO
Replace MA board.
YES
Does Mute button works?
NO
Replace AU board.
YES
Does Mute button works?
NO
Replace MA board.
YES
Figure4-8
4-10
YES
Does A / V devices are
checked?
YES
Connect the audio cable to
the Audio In L/R interface.
YES
A
Connect the external speaker
to the Audio out.
YES
Does external speaker output
the sound?
Replace AU board.
Go to Operator panel.
YES
NO
YES
NO
SEIKO EPSON