Advertisement
ME-0276-—17/17
J, Connector
J2 Connector
Check
Terminals
of
Printed
Circuit
Board
Fig.
13
—_—_——_
1 ms/Div.
About
1.3 V
{E] Check Terminal
(Erratic Operation
Detection
Signal)
IN
'Al
ms
.
bow
"7m
y | About 0.8 V
About 3.3ms
Check Terminal
(Pre-strobe
Signal)
Normal
waveform
is shown
in Fig.
14.
When
dirt
or
dust
is deposite
on the photocoupler,
the waveform
of E will
appear
as follows.
®
[JS
UFO OREN S
(>) ER @OoRBRRSHELES,
*-A-A~KHL TFAY,
24
UN
witty
wivae
A
The waveform
stays
on at
high
level.
B
[
~S
The
falling
waveform
sags.
If above
waveform
A
or
Bis
observed,
send
the
equipment
back to the manufacturer,
Advertisement
