Monochrome Crt Adapter Diagnostic - Sharp PC7000A Service Manual

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-
PC-7000A
(1.5)
oih~ts~',--~!;,;5:J.,::',J(J ;;::rT~;,,>,C:~ "7:~~10
lJ.DJ'::;'8
n;'
Parameters of each test program are entered through 10 key
+ [[ ... ]].
Wh~n
each test program is called);'bY'pfeislhg
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te-5tmeriU: (FigureCRf-
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(2) Description of program:-;"; "):-;':
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tJ.
n
lJ:(:2.1).:.CH];' slzei
test)
,~tl1
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1
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,:,ll'PN
(2.1.1)
Outline
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The screen size and the distortion of-CRT display are test-
-'iid~
------
(2.1.2)
Operation
.0:Ylj";J
)t'l]o,)
~)i"Ij" l:J,)h~
"vG,)!':1
As soon as th is test is
spedlfj-ed~;:tesb:pfcfcessil1Q'J iSl~sfar~t~d.
The size test screen (Figure. CRT-2) is displayed.
(a) Test
'Screfefn;'sizE!s;J
'Clisr6f,tlcJ:n'~p(jt0
cente'p;isNJDP'ing are ladjus;tedi'
or
<·ehe·cketl·do~the
size;·te·st'scteeh:;;
:~)i.>ll :~i n~J;!t;~)i~i~j q:?
:1":';
.ty!
(2.1.3)
Abortion of Test
While executing a test. if
pressin~,Jllp;;g:lj))~gmroJ ~~.its)to
;;t
h e\CR:"1,te:;t
m~nldfiigure;CFrm;) "kn 'li; .. ; .
F;"';,l,·
.l~,:.):i" ::;)) ; ,:'.)~)
~:
F; <l; :-;.;,
J'-'I;-n
.;j :
,;'i.~:
(2.2) CRT focus check
(2.2.1)
Summary
.. Display cliaracters'on CRT display are checked;
(2.2~2r'J~:Operathjo-'.Ji{J
,--:-I)·'l.
f ·;
i i ,
:1' .::'11, -
'.~1')'
!,'.'.j:.l
As soon as this test is specified, test processing is started.
Adjustment for focus check screen (Figure CRT-3) is dis-
played.
",",'
.'.;
.'J"I'1
(a) Test
l
j'.;:
·'L.J,-,i)/\;
r'U
1',
~)j
CRT display characters are adjusted or checked on the
"adjustment for focus check"
scre~~)l ')-:i' j"r::~) i~"J!
(2.2.3)
Abortion of Test
'" '" . , ")'
While executing a test, if pressing control exits to [[ESC]]
t~e CRT:.te.,t'lT)enu.(Fi)gy~!",CRT-l).
(2.3)
CRT color bar di,play
..
(2.3~ij
-Outline
Color display at color monitor
JJ~j~'l i~:o t~s~eI9~~_:
-n
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i
(2-3·2)
Operation
Oper~tion
is not needed.
As1JJ~g~~)~-ft,h~rs:t~k{'I'J1'be'ciff~d,
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:
CFfi!,(i~'h:d~We'~~tMW~- ~re) ch~6kid;
by'
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'"1
,q')
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I;Y~r3t3YAb~ :r~r;:'
:;J
f'"T~
:Ji-;:)klb \
l'J:JmU.l
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::Dn;;;ri:'!
oT
wMi~r~J~~djt/~;"~¥J~:li"f;Pt~:~~ih'g'btJ~lrol>eiitsf ~C!jll C~SC]
J
the CRT test menu (FigureCRT-1). "
_ ........
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-2'4-
11. MONOCHHQM.EJrC!HJAPAPTEJ;!'ii
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DIAGN,QSJJG
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Q
(1)
Outline
A
MO~OCHROlil~
'C'RT
i
ADAPT'ER"OIAGN0STleipF6-
'j·.irkr1i·ljser'~·~~';
tt
~es{~he'fi.Jrict~i~o'~
:o:fihe:
~f~;:~-;~hrdme1;eFfr
.
~(fis~ra:Z(ref~Fr~d"tb'~s'MONaincthefdiloW-i;';gaisMssiori)
-of
it
his'
ri6fu'p'M~'r~
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81:')
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(TE,l')
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r
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:]
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After specifying MONO CRT mode, the
syst~ll?,di~81.ax~-~~e
r)jtitl~)J!:1.p:d 1h~ C··~J.lt~~t m~f11+~,as.;~b·o~,nlln;~F;ig~r.~i",.M.QIN9Bl.
This d!Sp19y-JSj
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;c,/JC:],jiIJ
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JA
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Date Oct/D1
/'86
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clr!/ \;J~'
(0)
CRT size test
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(4)
:~,ft1!r!t;tJ)b~}~ j?·nTc~,
Fig._M9~O·!
MON9 test menu
(1.3)
Selection of Test Menu
,'1 -,' , ..••
c,'r.,'c ))),,,;'
Enter the required test number on the test menu as follows;
[[0]] to [[2]] (1 digit)
+ [[ ... ]]
(When speCifying [[0]] ,
- - it is-posslt;le't6 press
n..,-]]
-onry.)-
The number
]Q~JrQ-I~l)t~I7!9[.i.~ 9j~;~L~Mr,9 P,~ ~~.~;,~5rI7~nl",,'-\X~en
pressing [[ ... ]], the specified diagnostics program is start-
ed up.
:.~;;--;.;~:}'J:IJ ,w~·,::;:;
is
To change the te ... ,.t ,numPEfr,.
d,~!et~
.•
t.h~ n~umber
be.iQ9 eljlter·
.. '
,'~
.,
.
. •
, ' "I,'.'
i
,,1 .' .. " :', 1 .... '
J
c;
i
-J",-1 I"':'
';
;1~)d):!'I~sinq;
[41::'J] ,
~Nj t~~i~ ~~\er~
th,
S9rreAtn~\,)b,er.-
,',"'tl:!)d
:'Fl'j),),~"
"'IIi.',;
".j',
;11,
. ' j , . ;
:'0 ,~::i';~:i'Y
(1.4)
Exiting Test Menu
By pressing [[ESC]] followed
by,
U ",I']'
;control.exits to
the DIAG LOADER.
,;::::;~
))-
(1.5)
Others
Ij
7!
!,)~J
.
L"J!
h
: : ' .
i-'
Parameters of each test program
aJt)7n~~r~9:!~rpLJ~h
10 key
+ [[ ... ]].
When each test progra,(n
i~ .S1~lje~i,
qy
pressing
[[ESC]
L
eontrol exits to the MONO. test menu (Figure
---
• ,':;':J "
u;
)
MONO-1).
!~:J'I
.riC;;
IJ) :)
11in:';'j
:)~:'n::
_ ,
y)!
.,?'.L:.:"
(2)
'Description of program
(2.1)
CRT size test
(2.1.1)
Outline
The screen size and the distortion of CRT display are test-
ed.
(2.1.2)
Operation
As soon as this test is specified, test processing is started .
The size test screen (Figure. MONO-2) is displayed.

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