M N
3 3
DISPLAY
MAP
PAGE
4
OF
10
030
-Remove the
J2
card.
-Probe
J2-J05
and J2-P04 again.
Are
both
lights
on
for
all
probe
point!i?
Y N
031
-Remove the
A2
card.
-Probe
J2-J05
and J2-P04 again.
Are
both
lights
on
for
all
probe
points?
Y N
032
Defective
F2
(base
I/O)
card.
Defective
G2
(controller) card.
033
Defective A2
(I/O
cable driver) card ano
cable assembly.
034
Defective
J2
(display) card.
035
-Remove the
A2
(I/O
cable driver) card.
Within
10 seconds after RESTART is pressed,
the following events should occur:
1.
ABCDEFGH Appears on the top line
of
the 5
inch display.
2.
ABCDEFGHI Appears on the top line.
3.
The
top
line
is
blanked and either LOAD 0
or
CLEAR
WS
appears on the display.
Do
all
three
events
listed
above
OCCllr
in
sequence
after
RESTART is pressed?
Y N
4 4
P Q
K L P 0
3
344
MAP
0500-4
036
-Reinstall A2.
Defective
F2
(base
I/O)
card.
Defective G2 (controller) card,
Defective
J2
(display) card.
Defective display assembly.
Check/
replace display and control panel
cable (refer
to
210, 241).
037
Defective A2
(I/O
cable driver) card and
cable assembly.
038
Defective
J2
(display) card.
Defective
F2
(base
I/O)
card.
Defective G2 (controller) card.
039
-Switch the RUN switch under the covers
to
not
run.
-Observe the 5 inch display.
-Switch the DISPLAY REGISTERS switch
to
NORMAL then back
to
DISPLAY REGISTERS.
Is
the
video
different
in
DISPLAY
REGISTER$
than
in
NORMAL?
Y N
040
-Switch the RUN switch under the covers
to
run.
-Probe
J2-B06
(-hex)
With
the switch in DISPLAY REGISTERS,
the DOWN light should be on.
In
NORMAL,
the
UP
light should
be
on.
Are
the
probe
indications
correct?
Y N
555
R S T
28SEP76
PN
1608389
EC
829670
PEC
828851
MAP 0500·.,4
c
o
~
..
'~j
c
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