Audio I/O's Check - Epson EMP-1825 Service Manual

EMP-1825/EMP-1815/EMP-1810

3.3.7 Audio I/O's Check

Start
1. Input PC input to audio I/F.
2. Press [Source Search] button
and switch to the corresponding
souce.
3. Output sound from the Speaker.
1. Does the sound output from
Speaker?
2. Is the volume control effective?
3. With [A/V Mute] button,
is the function of stopping
/resuming the sound effective?
For more information, refer to
"Removing the Optical Engine and MAB (1) (MA Board Assy.)" (p. 20)
cal Engine and MAB (2) (Optical Engine)" (p. 42)
SEIKO EPSON
NG
4.5.2 "Removing the PS Fan/PS Ballast Assy./Speaker" (p. 48) /4.4.1
Flowchart 3-9 Audio I/O's Check
3-17
CONFIDENTIAL
1. Re-connect MA board
CN2400 correctly.
NG
2. Replace Speaker
NG
3. Replace Optical Engine and
MAB set.
If the sound I/O do not work well,
apply the remedy from the top (1).
If it doesnot work, go on to the next remedy.
/ 4.4.3 "Removing the Opti-
Revision:C