NEC Multi Sync EA221WM

2-10
2.10 Audible defect (No sound or Noise etc.)
OK
NG
End
Check the position of sound
volume or mute function.
Replace the SPEAKER.
OK
NG
Audible defect
(No sound or Noise etc.)
NG
OK
OK
Check connections of AUDIO
PWB or MAIN PWB or SPEAKER.
Replace the AUDIO PWB.
The cable connector is inserted.
OK
NG
Replace the MAIN PWB.