Casio Qt6000 Service Manual

— 29 —
INIT
Copyright(C)2004            
CASIO COMPUTER CO.,LTD. C
All rights reserved.
ROM VERxxxxxx xxxx
789
CREATExxxx-xx-xx xx:xx
QT-6000 Versionx.xx456
APL VER.xxxxxx xxxx
123
0
OK
Init Sw
7. DIAGNOSTIC OPERATION
7-1. To start the diagnostic program
(1) Turn the power off.
(2) Turn the power on while pressing the INIT switch.
(3) Release the switch when the display shown below appears.
* Operation is not guaranteed if the switch is released before the display appears.
(4) Enter 99990000 and then...

— 30 —
7-3. DIAG command input system
Input a command according to the following code.X
XXXXXnagd
XXXXXX : additional action
n : number of times
a : action
g : group
d : device number
7-4. Status Display
With the EX820, the following display is displayed on
the LCD (SVGA).  (In this DIAG, the display area is
divided into a display for register entry and a display
of DIAG results and so forth.
ESC CLR
789
456
123
0
ST
DALLAS
DRW1 CLOSEMENU SHEET 1
DRW2 CLOSE0000
[Functions]
Status is displayed for those...

— 31 —
No Device to be checked Operation Note Page
1 Batch test 1 2 Test Device : RAM, FLASH, Display, 32
Print, Time, Drawer
2 Batch test 2 3 Test Device : Display, Back light 32
3 RAM WRITE/READ test n011 33
4 RAM READ only test n111 33
5 FLASH Check SUM test n512 34
6FLASH CLEAR/WRITE/READ testn612 34
7 CF-CARD WRITE/READ test pn013 35
8 CF-CARD READ only test pn113 35
9 CF-CARD CLEAR test pn213 36
10CF-CARD CLEAR&WRITE/READ testpn313 36
11 LCD test n021 37
12 LCD calibration test 221 38
13 Back light...

— 32 —
7-6. Operation of each test
[ 1 ] Batch test 1
[Function]
RAM test, FLASH test, display test, test print, time setting and drawer open test are performed
continuously.
Make sure to connect the printer to COM4.
[Operation]
Refer to the page for the details of the following tests.
Operation : 2 ST
The following tests are performed automatically.
(1) RAM test : WRITE/READ all block test
(2) FLASH : Check SUM test
(3) Test print
(4) Times setting : Set the following data.
Arranged data : 2001 December...

— 33 —
[ 3 ] RAM WRITE/READ test
[Function]
WRITE/READ test for RAM is performed.
A counter is displayed for RAM test as follows.
[Operation]
Operation : n 0 1 1 ST
n: 0 = One time check (can be omitted)
not 0 = Continuous check (To stop the test, press ESC key)
[LCD]
RAM     n011 
RAM WR       OK 
END   n011
[PRINT]NOTE: Prints the address of the error in case the test ended
with an error.
Prints the address of the error in case the test ended with an
error.
RAM   n011
RAM WR       NG
END   n011
[ 4 ]...

— 34 —
[ 5 ] FLASH Check SUM test
[Function]
This test will check SUM test for FLASH is performed.
[Operation]
Operation : n 5 1 2 ST
n: 0 = One time check (can be omitted)
not 0 = Continuous check (To stop the test, press ESC key)
[LCD]
[PRINT]
FLASH   512
FLASH CHK SUM  OK 
END   512
FLASH   512
FLASH CHK SUM  OK
END   512
[ 6 ] FLASH CLEAR WRITE/READ test
[Function]
The CLEAR & WRITE/READ test for FLASH is performed.
After deleting the memory by CLEAR, WRITE/READ test is performed.
Note: since this...

— 35 —
[ 7 ] CF-CARD WRITE/READ test
[Function]
This test will check the write/read test (connection test) for CF-CARD.
Perform the CF-CARD clear test, before start of this test.
Note that this test does not ensure the data inside the CF-CARD as well as its performance.
[Operation]
Operation : p n 0 1 3 ST
p : designates PCMCIA SLOT
0 = CF
1 = PCMCIA
n: 0 = One time check (can be omitted)
not 0 = Continuous check (To stop the test, press ESC key)
[LCD]
NG and the address are displayed if WRITE cannot be...

— 36 —
[ 9 ] CF-CARD CLEAR test
[Function]
This test will check the clear test for CF-CARD.
Note that this test does not ensure the data inside the CF-CARD as well as its performance.
[Operation]
Operation : p n 2 1 3 ST
p: designates PCMCIA SLOT
0 = CF
1 = PCMCIA
n: 0 = One time check (can be omitted)
not 0 = Continuous check (To stop the test, press ESC key)
[LCD]
NG and the address are displayed if CLEAR cannot be done
normally.
NG and the address are printed if WRITE cannot be done
normally.CF-CARD...

— 37 —
[ 11 ] LCD test
[Function]
This test will check the LCD display.
In case of one time check only, the test can be ended by the judgment (OK or NG) of the operator.
The display can be switched by the touch of the panel. The display will not change to the next one
unless the panel is touched.
[Operation]
Press [OK] key or [NG] key to end the test when performing one time check.
OK = 1, NG = 9
Operation :  n 0 2 1 ST
n: 0 = One time check (can be omitted)
not 0 = Continuous check (To stop the test,...

— 38 —
[ 12 ] LCD calibration test
[Function]
This will test the calibration of the LCD (touch panel).
* Perform the calibration in the diagnostic mode even when the product is in the market. Make sure
to backup the register data when necessary.
[Operation]
A cross appears at the following four coordinates in the panel one by one. When a cross at a certain
coordinate is touched, the next coordinate will show another cross there.
(X,Y) = (100,100), (100,500), (700,100), (700,500)
Operation :  2 2 1 ST
If...