Sharp PC7000A Service Manual page 10

4 KEYBOARD 81
SPEAKER)DIAGNOS:nCS'~".Z)
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,oThi$,KEYBOARD)&,:SPEAKERi DIIAGNOSTI,CS; program
serves to test the function of
th"keyboard'iand'spea~er
; 1
r(referred ;:ta i,as),/«
ay
Jin",ttieJ,followirig; 'cHliciussion)".ofrfhe
personal computer. . [ J
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:'jl
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J;-C!1\.:1)j;,J'estfMen~Display:'Y»Y2.
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l
[-\~ll] :2!lj2:~.r;,q "nJ
When ,this p;ogram;.i')started,up),:the';sySte'" ,dispJays"the
title and the key board and
spe'akerJt~sf_m·enutas.shown
in
8r.ltigurejKBY-lh;);-~~:·':)
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Input:
~t'est-i_for~, ttie:~
ke.'ybbar-d
and:feii:
1
fdr'!1thel"sP'eaker.~-are
executed by this program at the
sarrie~tirhe1ij 7)l11~:i=-i)
l);E)Ol
:Jr-IFhls':d isplaYl ]s:refe'l!'r.e£i'itQ
:a5~ttie;J'K c;y;~test)
tTren u.
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SHARP Personal Computer System Diagnostics.Level...3 ..
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Figure KEY,1,
KEY;Tes~Menu
""
H.' ''', " ' " . ' . ,.
(1.2) Selecting test menu
Enter the optional test No..
"'0::' "',
'I"
1',
i,' "
';lrnpoFardehs;'a~jfolldws:'n,,-~,
,;, , )
.!j ,; ),',1 i ,-J' Ii! I,
';C[[lll'J'.jJ
n
"l'l)iie~ieiirig 'only
'['[.,a'l']
is:alloW~d.i '
, ) 'THe"entered--
rlu'meric fs'displ'ay'ed:oli"the si::r~eh~' anti the: test
program specified by [[")'l"Wstarted:'" ,. ""
"Wflen' tHe
't~s't
i
N6'.', is ito' be'changed/after 'deleting' i'riput
data by [[ +]], enter the correct No ..
(1.3)
Ex!tii1g'Tti~t;Men'P"
'I;"
'CC' ,,' ' ,
',ii, " ,
"'lAm lin ,
nESC]
"J' isehtered
oefoieenterrn9,r
['.,Ill
;control
exits the DIAG LOADER.';" .,." ",I~I
(2) Explanation of the program , ,,,.
(Z.1')
Test Execution -
I'
~
simulation screen of the keyboard is displayed.
When the any key
is"pressed'.~rider
this statUs, the appro·
phate key on the simulation screen is
cha~ged,
and the
h~rd~code-(directdata
from the'keyboard) '>i'thol pressed
k~y
is displayed in the key data position at ,he bottom of
t~e screen. ~ ' ) "
"Key data
~
Ox
~~
"
'v\{hen
the
any key is pfesse'dl'~n~~sterisk
"*"
i~ displayed by
inversion at the appropriate key position.
i
•
Keys'
with~tE[}s such~as-[ [Capscockj-]~contailnh'e'
func·
ti'on as given above, and the LED of the app(opriate key is
sJt to ON or
OF:F'~;'eiY
t,in.,cth'e key is pressed, When the
JED on the keyboard is set to ON or OFF a inessage is dis·
~rayeaontne
screeii-:-ror example;whenHN'um1tldc'k]] is
pressed, and if the LED is set to ON, "Num Lock ON" is
displayed.
This message is the newest message when the appropriate
key is pressed.
Besides, the speaker in the main unit may be tested by
this program usjng programm~9~~; -,~e,~i':1~,9!i1::Jkex§.s:!mm
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el
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ee'
~Y.I[f:H),!'t~ejto!"(es,ts9Y~R)~ rn~de;Jan,cl~Y)J;(f':IP]l,,~he
',)highes~!1.o~nd,j~, (Iil,,!d~,,An(t!9';c,~,,ys;;.tr,P\T\j
Hf;:?]
],,,to
[[F9]] , a sound
bet~~~~ ,thh!~~e.sl.,9u,\,\~ a,Qq~tb~J~Jghest
shound is divided into 8 steps. "1
1 --;(]']';')
'.(;-)rr; ;~Il"
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b' 1!
While exec~ti!:%9 ~~~t,,;tJ[S~.C;::JJ '.i§;pr.e~~e,9:t'IYise"sqn~~,gu·
tively, control exists to the KEY test menu (Fig. KEY·1) is
returned.
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,OIAGNOSTrIGSn, ,"
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m~I:;Y"Cj ,;",T
(1) Outline
.1h--)j
"9The)l,(!;1:D: 0 fAGN0S:l'ICS'p,ogfam! sef.veci:tlHe'sntie
ffi~c.
tion of the L.C. D. of thls;pefwrfali'·cOlTfptftehf:.."
(~;.!~) :)il~j
For the monochrome mode, the control will auto-
matically interrogate it and the -i:~st"\Nln:nort~?b~'
' a k-
2,;'
;!
n·~pTic'abre·' ;f6-r'lhEPrR8hocKronie~'rh6d~,
:anicl' \:he ,to H' o vthhg
is
di's~I~~i~l frriHe~c~~iet'~af'tn~ ¥6~Ei~H?!Jyn
:J:,\\,_;::.;.;:1-:
________
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Th i s test works ' Q ' J 1l::GRA,HH [,(CS" m'ode
i(mII~.
'i,.'
He.se c.hange the di ap lay
~
",ode to
GRAeHl.CS.
Depression of the
(ESC]
ke~
'tauses-the' contrbljtd--return
to the DIAG LOADER program,
',;t(l,!1) TestMenu D'iSplaih;,\: dL'h-:
'1:1 )-1, '1,
When this program
isiSla't~o 'lJP~):the,syste"",display,th.e
ititle
and the LCD test menu shown in Figure LCD·!'
This display is refe'freCf.-to
1
:'f:!§]
[00
testrmenU;i
I
:~~:)
SHARP Personal Computer System Diagnostics Level. 3
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Data Oct/ol/,86
Liquid Crystal Display [1.1]
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j' , ' ,'" '
(0)'
Ch'eck'pattern'
'''(1)'~ t.'i~e
' m 8Ve
if _'i
1
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j
(2:)'
'Sirlp'e;
'Y' :''-li ",I ',]'1.11,1",
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(3)'''tCD:FfAIVi'tiisi' ,., ,," '. ' : '"
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:'PI'~~se i~pLt'~LoriNfWh'd? '~'
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L;~
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::';:l.!~_
(1-2) Selecting test menu
Enter the optional test No ..
".of "
Input order is as foUaws: ' - -
r_~~j}] :rn1n~ :>~7,"j
[[0]] - [[3]] (lijlgii)J
n+lll:::!
,,,n
j ",ll" lcow::
(entering only [[.,I]] is
allo~,e,QjD
case
nf-([OJk
:,,;,1
, The entered.numer.ic is.displayecLolLthe.scr:een, and the_test
,-l;--;progr:arii-Jspecifie,d; bY-:-[I[:..-;hJ -is,-stalite,d~
':
:n;'I~
".-;Ti'
~)i
l T
-
~J
;WlierHI:i€ftest
~NO';i,rs;
to :be -changed,;'afie.r ,deleting :inp! . .
r~"\;iJ
data by [["']], enter::.theJ'c0rrectrNcb ; ,';ri
:;;~i ;j;~!
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i
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fi;
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'Jl~,'(1:~.3):.1,ExitinglTf!'stMEm'UJi:; ;><'l~ll"J-;!"
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When [[ ESC]] is entered,Defo,e ;enterin'g
L[ [ • .,,]
'hi
can·
trol exits to the DIAG LOADER.
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