(
(
(
(
A A A
BCD
666
KEYBOARD
MAP
PAGE 7 OF
060
Defective
CMD
key module
(refer
to
252).
8
Defective keyboard
PC
board (refer
to
251).
Check / replace keyboard cable
(refer
to 255).
061
Defective
F2
(base
I/O)
card.
Defective G2 (controller) card.
Defective H2
(I/O
and diag) card.
062
-Press RESTART.
wait
10 seconds.
-Press and hold the space bar.
Does
the
typamatic
function
work?
Y N
063
-Press and hold the SPACE bar.
-Probe F2-U07 (+typamatic).
Is
the
UP
light
on?
Y N
7 7
A A
E F
064
-Remove the keyboard cable at Z4.
-Probe F2-U07 (+typamatic).
Is
the
DOWN
light
on?
Y N
065
Defective keyboard
PC
board (refer
to
251).
Check/
replace keyboard cable
(refer
to
255).
066
Defective
F2
(base
I/O)
card.
A A A
A E F
677
MAP
0600-7
067
Defective keyboard
PC
board (refer
to
251).
Check/replace keyboard cable
(refer
to
255).
068
-Press and hold the P key
for
about 5
seconds.
Does
the
P
key
perform
the
typamatic
function?
V N
069
-Press all the keys one by one.
Does
any
key
fail
to
function?
Y N
070
Go
to
Page
2.
Step
002.
Entry
Point
B.
071
Go
to
Page
5.
Step
038.
Entry
Point
C.
072
Defective keyboard
PC
board (refer
to
251).
Check/replace keyboard cable
(refer
to
255).
073
-Press
the
A key.
Is
an A displayed?
Y N
8
A
G
074
Defective key module (refer
to
252).
07JUl75
PN
1608391
EC
828851
PEC
------
MAP
~-7