
J13
J12
Jll
J1O
J9
J8
J7
J6
J5
J4
J3
J2
J1
REAR
c—
LINE CARD #6
3
E—
LINE CARD #7
3
c—
LINE CARD W
3
c
LINE CARD W
—3
c—
LINE CARD #3
2
E
LINE CARD W
—2
c
LINE CARD #1
—2
c
‘------ BMNK-------z
INTERNAL
ALERT TONE
VOLUME
ADJUSTMENT
POT.
.\
o
. .
-
E
CPUBOARD
—3
c—
MEMORY BOARD
—3
E-––---BLANK– -----I
E—
DISPLAY DRIVER BOARD —~
FRONT
&
Diagram 3 TOP VIEW OF NO. 685
(Shown with cover removed and 8 line Mrds installed)
60
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