Service manual

7. Test methods
As
the 2,5" floppy disk drive u
sed
in the
CEo
1
BOOF
in
·
corporates the floppy disk controller within the drive unit,
it operates
as an external memory unit
of
the I/O space
as
seen from the
PC
-
l600.
The
follOWing
five test items are tested.
1)
Motor on/off
21
Head
seek
31
Sector read/write
4) Sense media
5) Sense write protect
7·1
. Test items
1)
Detection
of
motor on action (ready check)
2) Read and
ve
r
ify
of
the
data on the media
3) Write test data
onto
the
media without write protect
4)
Read and
ve
rify
of
the
data on the media. again
5) Sense write protect
Test results are represented by the status register and
IOCS
error code,
CHECK
0'
CHECK
02
CHECK
04
CHECK
OS
(
St
... t
Motor
on
Error indicat
io
n
ERROR?
YES
NO
Error
in
dication
'od
Test flowchart
- 102 -
2, Items required
1) P1600
2)
CE
·1600P
3)
CE
·1600F
4)
EA
-160
5) Test program stored media (UKOGC3018CSZZ)
61
Test media which has been prepared by the data write
program.
7) Printout paper
7-3.
Pr
eparing test med
ia
The test media required for the test can be prepared
in
the
following way:
1) I
nstaH
the
PC-
l
6()Q
,
CE
-1600P, and CE-l600F (test
installation) with
the
EA
·
l60
in connection.
2)
Turn on the PC-l600 and insert the test program con·
tained media,
31
Type the command '
lO
AD"X:WM EDIA
'"
and push
thelENTERlkey.
4)
When the prompt symbol appears, remove the test
program stored disk and ensure
that
the machine
is
in
the
RUN
mode.
Ne
xt, type the command 'R.
(AUN
)',
then push thelENTERlkey.
Slop
Oisp
l.
y mftSlge NOli
RUNI ENTERI
••
'I
NIT & DATA
WR
ITE
•••
Set
the
bl.nk
SET BLANK MEDIA medie
& HIT (ENTER] KEVil (CE·1650F).
Set
the side A
of
bl.nk
disk
(CE
·1650F).
I ENTER
I
Set dl
lk
ette
for X:
The green
MEDIA INTIALIZE
NOWII
acx:_
IIITlP
of
the
CE
-l
600
F
com
es
-=
t
ive
for 5 seconds.
I ENTER I
···INIT
& DATA
WR
I
TE'"
The green
LEO
MEDIA INITIALIZE
NOW
comes act
ive
for
20
te(:
ond
l.
··
·INIT
& DATA WRITE ' " The green
LEO
WRITE DATA
NOWII
comes .ctive
for 3 $tIcond
l.
·
··INIT
& DATA
WRITE'
"
The
gr
een LEO
DATA READ
NOWI
!
come l -=t
ive
l
or
7
sewn
ds.
··
· INI T & DATA WRITE' "
Forml
! .
nd
MEDIA IN
IT
& DATA WRITE
dati
write ... e
OKII
completed
b
id
e A
I.
5)
If
an error
is
encountered, check the display message for
an error indication.
6)
Since
the
side B should be formatted only, set the media
in
the
RUN
mode. Type the command 'INIT"X
:"'
, then
push
the
lENTER]key to format
the
media.
7)
After successful termination, set the write protect
tab
(side Bl
to
the
WP
si
de.
Bl
The test media has been complete with the above
procedure.
1-4. Operational test procedure
1)
Install the PC·1600,
CE
·1600P, and CE·1600F (test
Installation) with the
fA
·160
in
connection.
2)
Turn on the
PC
·1600 and
inse
rt the test program con·