Sharp PC-4741 Service Manual page 35

_I
"pe41'4;j;J'=~------~------------------------------
8-3. Startil'lguptne Cliaghosiii:i"proQram "
t'l'Ie.folioWir,-g;"pi'Ocedure
iS~reqi.ifted:to
slarrthe diaghtiEHic'prdgram.: .
1. Insert the diagnostic program
di~k
'in
;:1h~ ~citrv~' A:~ ~nd 'hif~;
p6WJ?
';)'brt to the PC'4Z0u;';
'<0, ' , " ,
l,e,; , , i"i) ,
2, When the MS-DOS prompt
appears,typbiih"icbminaiid~ho':'];'
.,i:-belciw:af1d:pressthe·,ENTEHkey~';· ;j"
::),1!':' ,
-'~ i"
A>
DIA<>47S[~NTERI
\
" , '
I
3. The
diagnostic
Q~bgram-
menu shown below will appear within a
few seconds;;'·
Type a number to choose the program.
, - - - - , !
- DIAGNOSTIC PROGflAM MENU
1.
Jndividua~
Del,(ic$s Diagnostic
2:,FI6ppyDisk Diagnostic
,
3~
j'·Ha.rd'Disk:Diagn:ostic
Enter your selected nymber:_
> ,' ..
.:>"
Diagnostic Program Menu
8-4,'DIa~nostic
program loader
ThiS diagnostic program loader -is, :l!s~d to ;select and execute the
individual device diagnostic'prbgran(f1bppy disk diagnostic program
and hard:disk-diagnQstic program. ',. __ , -
, -'"
,
Upon the start_of 'ttls'program loader. the-diagnostic program menu is
displayed. When one of four; choice is typed, the re;spective diagnostic
pijogram is
,16adet;J,f~(-'-m-the'floppy
disk onto the main memory area.
After
ii hwf
-be~n /c()m-pleted. the control moves to the diagnostic
program to execute.
When the ESC key is pushed in the diagnostic program menu, the
prog'ri:uTi"terminates'and the control returns to the MS-DOS.
8-5,Check program
All check programs :are stored on the diagnostic program disk and
used to chack the state of a device after it has been installed or a
specific device i~- tested when an error is reported.
8-5-1. Individual devices diagnostics
The desired check item must be chosen and typed in the menu
followed by
,(h~dep'~S$ioi1
of the ENTERkey:
To cancel the choic6,-"SIITiply push the ESC key. The control will
retumto the dfagnostic loader. ;
~.,
'/, .
When changing the setting contents with the set-up menu during
each device check,-return fromt
he:~i;fevice
check menu to this in-
dividuai -devices
diag~o~tic
menu
,in- adva~ce:
'
-34-
Individual
De'Vic~'s-D!~~n6stic
V:X;XX
1 --- Real Time Clock & Setup RAM
2 --- Memory
3 --- Keyboard & Speaker
4 --- Monochrome Adaptor
5 -- Color/Graphics Adaptor
6
~--
Coprocessor
? .
-':":j
Print,er'f::", -, ; - ~;
1
8 ,,'-'cS~rialijOM~ptor
,';;
9 --- MOdem Mapto( "
,e,
1.0 ---, Liquid CryslalDisplay
"'0 :
.:~;."Hatdw~re
Installation'-
Enter your selected number:_
';'j
Individual Device~,Diagh6stic'Meinl.J
_'
J_.-. ,
'1'-,'
',,>--.,
'i'--'-', - ,.",,-' . " ' , , ,
_~
.. ,,-,
.,
9uiJ,ine'ote~cl\!levice chec~'
,,'.
:i:
Re,B:I~imEJplo,~.k:~$e~~p'1~_~,-r;:-:~,Ji:,. , ___ , __ ~ ..
'J:,.-" , ' " _ _ ,
Tests the real .tim,e clock and the _setup' RAM in the
read/wri~e
modet';
i;J
:i:
Memory .. , " , -., ,_ "
Tests the main memory, video memory-and'~EMS rtlem'ory:irdhe
r'eadlwrite!moae;
;'1
,",~,:
;t"
'K~ybo~rd
&
spekker
T esls the keyboard and the speaker,
:t::
Monochrome Adapter
Tests the LCD and CRT functions in the monochrome mode.
*-
Golor/graphics adapter
T~sts
the LCD and CRT functions in the color/graphics mode. ,
*'
99proces~qr ,
Te:sts the",coprocessof.
~y-,
carring,
Si~i., i~iti~i~E;! ~rd ,arit~m€!tic
'operatio~: ,'--". ",' '"
:t:: Printer
Tests the printer.
*
Serial I/O adapter
Tests the RS-232C functions using the loopback connector.
:t::
Modem adapter
Tests the modem functions in the loopback mode.
*
Liquid crystal display
Tesls the LCD by means of the display pattern.
*
Hardware installation
Displays the device names interfaced to the PC-46QQ,
Setting parameter option
After the real time clock & setup RAM or memory was selected, the
program prompts for entry of a parameter option shown below before
starting the test.
Error stop? (Y/N) (default response is y)
Loop counter (1-9999) (default response is 1)
If the ENTER key was depressed instead of V, N or a number, the
default will be chosen.
After completing the parameter entry, the program starts,
The following is reported in a course of the real time clock
&
setup
RAM or memory check.
Success -- xx
Failure -- yy
where, xx represents the number of times the program passed suc-
cessfully, and yy represents how many times the test failed, when any
continuous test was specified in the initial setup.
If the ESC key is depressed when the test is being performed, the
program execution terminates.