(
(
(
A B
y U
PROCESS CHECK
MAP
1 1
2 6
PAGE
17
OF
17
197
Defective
F2
(base
I/O)
card.
Defective G2 (controller) card.
Defective
A2
(I/O
cable driver) card and cable
assembly.
Defective auxiliary tape control card.
Defective auxiliary tape
C1
(adapter) card.
CHECK/REPLACE THE
'I/O'
CABLES.
198
-Probe the bus in (0-7,p) lines
5 F2-Gll 0 F2-P12
4
F2-M02
6
F2-P13
3
F2-M05
P F2-S10
2
F2-P09
1
F2-U05.
7 F2-Pl0
Are
any
lines
DOWN?
Y N
199
Defective
G2
(controller) card.
200
-Power down the printer.
-Disconnect the auxiliary
I/O
cable to the printer
and the auxiliary tape drive.
-Probe the bus
in
line
that
is DOWN.
Is
the
DOWN
light
on?
Y N
B
V
201
Defective 5103 B1A2 (adapter) card.
Check/replace
I/O
cables.
Defective auxiliary tape control card.
Defective auxiliary tape
C1
(adapter) card.
A B
1 V
202
MAP
0420-17
-Connect the auxiliary
I/O
cable
to
the printer
and the auxiliary tape drive.
-Power up the printer.
-Remove the
A2
(I/O
cable driver) card.
-Remove the B2 (expansion feature) 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
occur
in
sequence
after
RESTART is pressed?
Y N
203
-Reinstall the
A2
and B2 cards.
Defective
F2
(base
I/O)
card.
Defective
G2
(controller) card.
Defective
E2
(ROS
adapter) card.
204
Reinstall the
A2
and
B2
cards one at a time.
Press RESTART each time. The card that
causes the
PROCESS
CHECK light
to
come on
is
defective.
205
-Switch the RUN switch under the covers
to
run.
-Switch the DISPLAY REGISTERS switch
to
NORMAL.
Go To
Map
0500,
Entry
Point
A.
28SEP76
PN
1608388
EC
829670
PEC
829523
MAP
0420-17
I
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