Sharp PC-4741 Service Manual page 43

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_ J
--------~Rg~¥4F~.~~--~------~------------------------------------------------------
While the system e~~~:,.t~~ the test~ ~~p~.e~-,si.~9:~~r:Pfj i,t~~tqJ;'~:!h~
test. At the time, by pressing
§~A9~ .~g~uJ.'- ~h,e_f3yst~rn,c~olJ~inu9:s ,t~.~
t~:s~. _~~g_ by "p!e_f3;?ing._ES9~ 'the testJermihat~s'! 1~e ~epress}.9ri··~t
ESC
is-afway_s etfective during
thi~:test":':'
-, " -:'
,1, ,-"
~'"'' J,'-,~'~:"
,~~,j,
The_lower .left
s9reer{sf!ows'pa,ss' c6:unt and
,t~st;poirit ~e'pre~ehtecf b~
~~~~i~~;~d~~Ii.~~~~~;f31:I~r}sL'I; ~ ~~_.:'!i.' ~::';~-,~' J-:'o'~,;;
. : :
!:~;~:',) ~
' _ _
,,' - ,:,1.
:j:'::i;~'-::", _~,I;:';J
Pass count
=
• • • • •
~~~:.~qi~ti~ ,),Th~:R~"~'_l~
:' : .: ::,
,.J':
j;~-
3,
):
I
_~.,.~:,~
j
• . • ,
" ; ' ; ; ;
i " , ' : i .
' ",--;-:
r
"L;
"TT"
means the track,
"H"
means
Jh~;-_ !1rfl'§.~.'_.and ,,'~§§t m§~mLtbe
sector.
.0--'_0"_,
• -_ • • • •
- - - - . - . _ • • , ••• , . . . . . : . " •••
In addition, the lower right screen shows the test mode:-and:the;
t~sf
drive.
.::-:"':'.::.;;~~:::.:::;
,;;
::">"::~:..:
.. ;' ;
~:;;:~;;;;:;;:;.; ;,:;~ <;,:,-,;::~'.;-:;;::;;; ::;;~,i ;:':,;,; '-;~"I,;:'".:'
':~:~~r~r 'pr~c~ssiilg''''': ";J
< ,:;:; , ; ' : ; ' : ' ",
'~',,;~' i;
:+:; ' . ' '
,~:"
-},;;,
J,:~
Ifthe~sy~teirt' d~tecis' art"~;'-r6f
whlh3' - ' h
~x~cutgs thatEi~t,
Ii'
di~~I~Y~-~th~el
kind ofEi'rtciand whs're"thflerror 66CLirs::brdhe
lawer
dghto~breEh
and)
iflcrementEnFferigflt;fiand~errof
ootinfet:- ---. - -
If the error stop is set
to
"No", the system
upda,tEls"tt1,~',~rror,~Qunter
eV~IY._#.lJl.e_~n_~rror. QC9~rs
_C!nd conJ.j-".!,Jes, to
e:xe_cu~e
tt19
te~~
. .Th!,!
system
co.ly"qisplays,t~e newest,~rror.
information in the,
lower,ri~ht..
Qo)fi~ ·ot!le_~,ti.a.ri~(Ribe 9'i~o.r~~tQP ·i~~~~tJ~_";Y~,s,;. _tb~'~Yit~m' '~iops
1he test if an error occurs. At th!=!
~i~e".QY,l=!r~S!~in.g,~.Nr~fl
the, system
continues the test. On the other
hand;
by 'pressing ,ESC~' 'the test
terminates.--For details of ,error message-, see
"8
M
5-t2-7.'
Error'mes-
sage".;"
;'.1--'
','i,'i:",
I;'
:)';l!'
8-5-12-3, Read only check
. '.
.
.
. •.
Thi~ite~t b'heb~
that
d~td-is; ~r(jpe~ll~e'~i:I:
(rO'm th'e'
floppy
d(sk
drive~'
,
• Operation
When this test is selected, the following message
i~ .~isp~ay~_d.
Please ,insert
the
formatted _scratch disk in the drive.
, "L,
At the time, insert the:
test
disk· in the drfvS' to
b~:ch.cked·andpress
EiNTER,.IUhe ·drive. is. not ready or .the test. disk isn't inserted in tha,
drive, the following message 'is displayed' and the ies,t
,fer.~i~?te~~,
Drive not ready.
Specify
whethe~
to ch_eck the drive or not
~n
the
foilowi~g
message.
I··' .)
Drivee,A
(1'~MB)test? [Yes~~}
:
Move the highlighting -to -the- mode you' want -to- select and press
pNTER. The string in the parenthesis rapre.sents
th~:
capacity of the
ijisk.
Specify the n:iri,ge, <;if; ,cyllnd~rs tp ~~ .che~kl3d ,in the ~olto~jng. me,~-
sage.
.
c,
" . ' "
' . "
'"
,
Cylinder range?
Dilve_Aliio;"79FIJ.ii .
,
,"
Type the-starting. cylinder number at first and.press ENTER. Then
typ .• t.heending cylindernumber and. press£NTER.
Specify the number of sector accessed by one instructionJ
in
,th€!:
following message.
'.':'"
\{ "r:.!
I;"
,~,
.
"("t, ;','/'
Sector count?
Driva,A[1, 3, 9] =I _
1;ypeth~sector ~ount
in
the
~isplayedcou~t
andprass
E~T~Fl'
.. ,
$p~qi.fyJ~e"rJu,rylb~r.~fJ~tri':l[ .i.n.'the.fol,19"Y!t:lg,:m~~sag,e~'wh~r) ~n ,e.rr?r
has occurred.
-
-42-
I
::>~:, :~~~~;·9.~J~~:?19~~~~1'~ i'~~J ';~~ ~~)
- : , - ' ; ' }
.
.
~,~
~
Type the ret;Y
;";~~;i~ th~ C!isPlayecl;anQ~
andpreS;ENTER.. . . .' .
Specify whether to"
'sto'p
'or: 'continue 'the' test, O\,;Jhen
an
'srror"has
occurre1d.:;·,'
1'!],;')
,:"';;):1':
-,,]
;J'~ ;~;-:'"~, ~.~
j::J
J'F)-iV"
Move the highlighting to the mode you want to select
?n9~p[ess
E.tJl-t:~b;'i :,'-~";
' - ,;:;;-::)\:
f;'-]':-'~;:--:;:';
;3i J.,\l:"" 11::;:";'1"';'1
J2:'11
-;jj:j
,~ilj\
/
Specify
w~e~~~s;~g .?~,?,~t~.~.~:e;. t~~~)~~R~t~;:u'
:!..;;;;
;,'_),i;:;;',j,-:j:)
,~,-i
--
"~:1,:'
,
M9Y~"';~~~(~i,~~,ii,gtit.iri9~:,t~),t,hf ~?d.e:: YR~': ~~~(
t?,:.:
~~,[;~~,i.":~~~:,~~f~~~
ENTER. ',When' selecting "No",,:co,ntrof
eXlt~-tq-
"s(:leclflcath:m
-elf
l,ne
checkkiH:drivei,.J
On'the :otlier~'h:anf:( whfin' seire6tih~""Ye~";'ita~
th)e
test.
While the system axecutes the tesfby:pressin!j'CSPACE;:lt:stolkihe
t§'~kAHnf?j!r11~;', b.Y:'p~e,~~jr)g §.r~G,~,~~g~jn.:'1h~ ~y§t.~miqqqt!r1,~~~ J~,~
test. Also by pressing ESC, the test terminates. The
c;I.ep,r~~§igO
,9f
ESp,is,
al,!,~y~eff~'ilive,duri~gmis
test,_.,
....•. '."""
.. ,'
The lower'teft'screeii snows'
p' a ' s ' s oourh
'and"
fest pOint
'represente~
l:)y
physical address.
' , .'
Pass count
=
Test point
=
•••••
TTH.SS
''IT'
means the track,
uH;'
m~Cjtn.~; th~ -.'i,~~,~" a~d' ;:$S';;';J~'~~DS
the
sector.
.
l,n
addition, the lower right screen shows
t,h~,_ t~s~ ~~C!de-;8.Q'q i~e
test
drive.
.-v: ;:),'"
Test mode: Read Test
drjve:'briv~~A
• Error processing
If the system detects an error while
it
executes the test, 'it'di'sp'19.YS the
kind of error and where the error occurs on the 10lNf3r 'right scre,en and
increments the rightMhand error counter.
'-, '."
-','l:, ,-
",
If the error stop is set to "No", the system updates the error counter
every time ·an -error
'O,GC~rs.'
an,d
con~nues" t~ ,--e;~ecute
the test. --The
system only displays tne 'neW6Sf'errOr i informcitibn in the lower right.
On the other hand, if the error stop is set to "Yes', the system stops
the test if
an
error
occ,urs)Atth~_:,tirrie, by~prf3ssin~lENTERtb$
eystem
continues. tha test. On the o\her. hand, by
pr~ssinQ
E$C, tha test
ter;ninates. For
d~tails'of
erro'r message,
se~/:8~5-~2d.·,Err~~
'mes M
sage".
.
8·5-12-4.00 Track sensor ad
/ustment.
This program checks the do"trEltJk'sensor-whlch deteCts' the cylinder
o.
The system moves-Ul'e head from the cylinder
0
t6 cYlindet'4-arid
returns the head to the cylinder Q"With-such an:operationi the system
can observe a signal from the
00 track sensor as 'a pulse.'
~
Operation
Specify the drive to be checked in
th~ ~ollow~ng message~'
Test drive? [Drive_A]
Move the highlighting to the drivejo.u
w~nH9 se!~9t, ~ncf,press
E.NTER.,.
, ' . , '
..
....•. _.,
......
.'.
. .. .
Speci'u;.', whether
t' o '
iepeat 'or'
db
only
~6iic.e'
thEf'test itl'
the
'/6Ijo¥1ibg
. '
:
:"
" , I
' ' ' ' ,
-,"
, ' : ' "
,"
: , , : '
Aging mode? [Yes No]

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