Canon PC720 Service Manual - Page 109
Operations, Timing, Copyright, Canon, Aug.1994, Printed, Japan, Rappoit, Japon
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7. Checking the Photointerrupters 1) Set the meter to the 12VDC range. 2) Connect the - probe of the meter to GND of the printed pattern on the DC controller PCB. GND ce \-(7-,). J rc c), O00O 0000 I 1 Figure 3-713 3) Make checks according to the instructions. Reference: The photointerrupters other than those indicated are connected in a matrix. OPERATIONS AND TIMING= COPYRIGHT © 1994 CANON INC. CANON PC720/7401150770 REVD AUG.1994 PRINTED IN JAPAN RAPPoit AU JAPON) 3 - 69
OPERATIONS
AND
TIMING=
7.
Checking
the
Photointerrupters
1)
Set
the
meter
to
the
12VDC
range.
2)
Connect
the
-
probe
of
the
meter
to
GND
of
the
printed
pattern
on
the
DC
con-
troller
PCB.
GND
\-(-)
7,.
J
r
c
ce
c),
O00O
00
0
0
I
1
Figure
3-713
3)
Make
checks
according
to
the
instruc-
tions.
Reference:
The
photointerrupters
other
than
those
indicated
are
connected
in
a
matrix.
COPYRIGHT
©
1994
CANON
INC.
CANON
PC720/7401150770
REVD
AUG.1994
PRINTED
IN
JAPAN
RAPPoit
AU
JAPON)
3
-
69