D A
1 A
5
059
BRING
UP MAP
PAGE
6
OF
15
-Use the hex code displayed· in positions
3
and 4
of
line 3
to
determine the defective key
(refer
to
250).
Defective key module (refer
to
252).
Defective keyboard
PC
board (refer
to
251).
Check/replace keyboard cable
(refer
to
255).
060
Is
there
a card
in
H4
(APL supervisor)7
Y N
061
(Entry
Point
C)
-Switch the
DISPlAY
REGISTERS
switch
to·
DISPlAY
REGISTERS.
Refer
to
248, hex registers display.
-Record
RFLO.
-Switch the
DISPlAY
REGISTERS switch
to
NORMAL.
Is
there
a card
in
M27
Y N
062
Is
there
a card
in
L27
Y N
976
A A A
BCD
063
Defective
K2
(read/write storage) card.
Defective
K4
(read/write storage) card.
Defective
J2
(display) card.
Defective
G2
(controller) card.
Defective H2
(I/O
and diag) card.
A
D
6
064 .
Is
RFLO
recorded 2 steps
back
between
0000
and
3FFF inclusive 7
YN
7
A
E
065
Is
the
recorded
RFLO
betw8f,tn 4000 and
7FFF incl",sive
7
Y N
066
Defective
G2
(controller) card.
Defective H2
(I/O
and
diag) card.
067
-Power down.
-Exchange K4 lind
L4.
-Power up.
Wait
30 seconds.
Is
the
machine
at
checkpoint
H7
Y N
068
Defective read/write storage card is now at
K4.
069
-Switch the DISPLAY REGISTERS switch
to
DISPLAY
REGISTERS.
Is
RFLO
between
4000 and 7FFF inclusive?
Y N
070
Defective read/write storage card
is
now at
K4.
071
Defective read/write storage card is now at
L2.
090EC75
PN
1608387
EC
829523
PEC
828851
MAP
0400-6
o
o
c
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