3-17
CONFIDENTIAL
EMP-1825/EMP-1815/EMP-1810
SEIKO EPSON
Revision:C
3.3.7 Audio I/O’s Check
Flowchart 3-9 Audio I/O’s Check
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.
Start
N
G
2.
Replace
Speaker
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?
1.
Re
-
connect
MA
board
CN2
4
00
correctly.
3.
Replace
Optical
Engine
and
MAB
set.
N
G
N
G
For more information, refer to
4.5.2 "Removing the PS Fan/PS Ballast Assy./Speaker" (p. 48)
"Removing the Optical Engine and MAB (1) (MA Board Assy.)" (p. 20)
/
Содержание EMP-1815
Страница 1: ...Service Manual Data Projector EMP 1825 EMP 1815 EMP 1810 ...
Страница 9: ...Chapter 1 Product Specifications ...
Страница 16: ...Chapter 2 Theory of Operation ...
Страница 23: ...Chapter 3 Troubleshooting ...
Страница 44: ...Chapter 4 Disassembly Assembly ...
Страница 105: ...Chapter 5 Adjustment ...
Страница 113: ...Chapter 6 Appendix ...