Casio Qt 7300 Service Manual

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5-3-1. Jumper Settings
The SBC8360-4M is configured to match the needs of your application by proper jumper settings.
The following tables show the specification of the jumper settings.  < 
 : Default / ÒXÓ: DonÕt Care >
Note: All specification and quality of the system are assured by Casio as the QT-7300, any local
modification of the jumper setting by customer will not be applicable for CasioÕs guarantee or
warranty.
5-3-2. CMOS Clear Jumper: JP4
JP4
Clear CMOS SRAM data Short 1-2
Normal Operation Open
5-3-3. Watchdog Trigger Mode Setting: JP7
The watchdog timer is an indispensable feature of the SBC8360-4M. It has a sensitive error detection
function and a report function. When the CPU processing comes to a halt, the watchdog can generate an
NMI or resets the CPU.
Watchdog Function JP7
Activate NMI when Watchdog triggered 1-2
Reset system when Watchdog triggered 2-3
Disable OPEN
5-3-4. LCD display Power Level Setting (VDDM of CN11 and CN6) : JP9
JP9
5V Panel Power Setting 1-2
3.3V Panel Power Setting 2-3 
						

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5-3-5. Serial Ports Settings: JP11, JP14, JP15
The SBC8360-4M provides four onboard serial ports, 4 x RS-232. COM2, COM3 and COM4 ports with
+5V/+24V and +12V/+24V power capabilities on Pin 1 and Pin 9 is ready to accommodate a wide array
of serial devices. The corresponding jumper settings are shown below.

COM1: COM1 is assigned for the touch screen system and is not available for end user in this system.
COM2 ~ COM4:
Com2 Com3 Com4
JP14 JP11 JP15
Pin 1 = DCD3-5 3-5 3-5
Pin 1 = +5V1-3 1-3 1-3
Pin 9 = RI4-6 4-6 4-6
Pin 9 = +12V2-4 2-4 2-4
Multi I/O setting
COM2 ~ COM4:Pin 1 NOTE: Pin 1 does not have the +12V setting.
MTIO
Com2 Com3 Com4
JP5 JP6 JP7
Normal COM3-5 3-5 3-5
+5V3-5 3-5 3-5
+24V1-3 1-3 1-3
COM2 ~ COM4:Pin 9 NOTE: Pin 9 does not have the +5V setting.
MTIO
Com2 Com3 Com4
JP5 JP6 JP7
Normal COM4-6 4-6 4-6
+12V4-6 4-6 4-6
+24V2-4 2-4 2-4 
						

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6. DIAGNOSTIC OPERATION
6-1. Diagnositc softwares
Use the following softwares for checking each block.
Mother board --------------------------------- AMI Diag.5.42 (available in the market)
Customer display --------------------------- Diagnostic program built in the UNIT
Drawer ----------------------------------------- drw.exe (available from Casio)
Touch panel ----------------------------------
For DOS;
medv10.com (Device Driver)
caldos.com (Calibration program)
For Windows 95
fidmour.drv (Device Driver)
vfidmd.386 (Device Driver)
fidmour.inf (Device Driver information file)
calwinr.exe (Calibration program)
For WindowsNT
fidtpntr.sys (Device Driver)
fidtpntr.inf (Device Driver information file)
calwinre.exe (Calibration program)
6-2. Customer display
Necessary tools
n Loop back connector
n Stabilized power supply
Preparations
n In case of QT-7360D or QT-7362D
1Connect a loop back connector (male type) to customer displayÕs D-SUB connector.
2Apply +24 V to pin 1 and GND to pin 5 of the loop back connector.
3Short circuit pins 2 and 3 (DSR-RXD), and pins 4 and 6 (TXD-DTR).
+ 24V (pin 1)
GND (pin 5)
15
69
Short circuited Short circuitedGND + 24V
Loop back connector
QT-7360D or QT-7362D 
						

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n In case of QT-7363D
1Connect a loop back connector on Customer display stand unit.
2Connect a testing customer display to Display signal connector.
3Apply +24V DC to the AC adaptor jack.
Loop back connector circuit diagram
Display signal connector
AC adaptor jack Loop back connector
PCB
5
9
4
8
3
7
2
6
1
5
9
4
8
3
7
2
6
1
Female CN3
Male HOST PRINTER
TXD
DSR
RXD
DTR
Loop back connector
5
9
4
8
3
7
2
6
1
5
9
4
8
3
7
2
6
1
Sub PCB 
						

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Precautions
1For checking QT-7363D, use customer display stand unit.
2Turn the power off before connecting the customer display.
3After the check, be sure to set the DIP switch correctly.
4Also check rotating mechanism of the customer display.
Diagnose
1Unscrew four screws and remove display panel.
2Apply power supply (AC adaptor).
3Turn all the DIP switches on.
4Push the reset switch. Diagnostic program starts and display shows;
Screws
Display tube Reset switch
DIP switch
OFF
1
2
3
4
5
6
7
8ON
Initial position of DIP switch 
						

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All dots off
All dots on
A vertical line moves from right to left.
1   2   3   4   5   6   7   8
1   1   1   1   1   1   1   1      
						

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5Turn DIP switch 1~ 6 off.
6Turn DIP switch 7 off.
After 1 second, display turns off.
7Set the DIP switchi in the initial position (SW1 and SW5 on,
others off).
8Turn the power off.
9Set the display panel by four screws.
6-3. Drawer test
Execute drw.exe.
1   2   3   4   5   6   7   8
0   0   0   0   0   0   1   0     
1   2   3   4   5   6   7   8
0   0   0   0   0   0   0   0     
drw   1   ENTER      
Drawer 1 Open
Drawer 2 Open Drawer 1 opens then after a while, Drawer 2 opens
)
Switch#1  0  
Swtitch#2  0   Drawer switch 1 status 0 is shown when Drawer 1 opens.
 Drawer switch 2 status 0 is shown when Drawer 2 opens.
)
Switch#1  1  
Swtitch#2  0   Drawer switch 1 status 1 is shown when Drawer 1 is closed.
)
Switch#1  1  
Swtitch#2  1   Drawer switch 2 status 1 is shown when Drawer 2 is closed.
) 
						

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6-4. Touch panel test
Set the driver then activate the calibration software.
The following shows the software list and the test procedures.
Software Files
1) For DOS
* medv10.com Device Driver
* caldos.com Calibration program
2) For Windows95
* fidmour.drv Device Driver
* vfidmd.386 Device Driver
* fidmour.inf Device Driver information file
* calwinr.exe Calibration program
3) For WindowsNT
* fidtpntr.sys Device Driver
* fidtpntr.inf Device Driver information file
* calwinre.exe Calibration program
4) Inxxxxxxl.doc This file ( xxxxxx = YYMMDD)
Copy necessary files into the Floppy Disk based on you target Operation System.
Setup procedure
1) For DOS
1Copy the Driver software into the proper directory.
2Execute the Òmedv10.comÓ.
2) For Windows95
1Open ÒControl PanelÓ 
2Double Click ÒAdd New HardwareÓ
3In ÒAdd New Hardware WizardÓ, Click ÒNextÓ
4Select ÒNoÓ at Hardware Automatic Detection then Click ÒNextÓ
5Select ÒMouseÓ at Hardware setup then Click ÒNextÓ
6Click ÒHard DiskÓ at Manufacture and Model selection
7Insert Floppy Disk(Driver copied) into Drive (ÒA:Ó) then Click ÒOKÓ
8ÒFujitsu FidmouseÓ will be displayed then Click ÒOKÓ
9END (Restart the system )
3) For WindowsNT
1Open ÒControl PanelÓ
2Select ÒMouseÓ
3Insert Floppy Disk(Driver copied) into Drive(ÒAÓ)
4Open ÒpropertyÓ sheet in ÒGeneralÓ then click ÒUse DiskÓ
5Select ÒFujitsu Takamisawa component FidmouseÓ Then ÒOKÓ
*** START INSTALLATION ***
6END ( Restart the system ) 
						

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Calibration program
In every touch, + turns in 
red    black    red......
1) For DOS
1Start DOS
2Insert Floppy disk into Floppy Disk Drive(ÒA:Ó)
3Execute ÒCALDOS(CALDOS.EXE)Ó
In case RS-232C PORT COM1 : CALDOS 
RS-232C PORT COM2 : CALDOS C2 
4ÒSet calibration parametersÓ Ò X point, Y point, X left, X right, Y top, Y bottom Ò
Just Hit  key.
5Calibration Program. ( nine Ò+Ó marks will be shown on the display )
6Hit Ò+Ó marks ( touch on the touch panel)
Ò+Ó mark will disappear if touch is recognized.
7After touch all nine Ò+Ó marks, Hit ÒSpaceÓ key.
8ÒCalibration is doneÓ ÒDisplay Drawing(y/n)Ó Hit ÒnÓ to finish
2) For Windows95
1Insert Floppy disk into Floppy Disk Drive(ÒA:Ó).
2Open ÒExplorerÓ 
3Click Floppy Disk Drive(ÒA:Ó) in ÒAll FoldersÓ
4Double Click ÒCALWINR(CALWINR.EXE)Ó then execute
5Calibration Program. ( nine Ò+Ó marks will be shown on the display )
6Hit Ò+Ó marks ( touch on the touch panel).
Color of Ò+Ó mark will be turned Black or Red by each touch, if touch is recognized.
7After touch all nine Ò+Ó marks, Hit ÒEnterÓ key.
8Then, draw some lines or pictures on touch screen. The drawing will be displayed on the screen. Please
confirm that the calibration is completed.
9Hit ÒEnterÓ key after Ò+Ó marks disappeared to finish.
3) For WindowsNT
1Insert Floppy disk into Floppy Disk Drive(ÒA:Ó).
2Execute Òcalwinre.exeÓ
3Operate as guided on the display panel.
< Similar to Windows95 > 
						

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7. TROUBLESHOOTING
This portion of the service manual lists all possible malfunctions that may occur when operating the QT-7300
system. To assist you in fully analyzing the problem, the following table also includes an up-to-date list of
symptoms and probable cause(s). In case you encounter problems or discover causes not included in this
section, we highly recommend you to consult CASIO engineers.
        Symptoms Probable Causes
Ð Loose power cable connection at the bottom of the front panel
nTurn OFF system power then disconnect the power cord. Insert the
power cord back into the inlet connector then turn ON the system power.
The power LED Ð The connection of female jacks to the power supply inlet connector is
indicator on the front loose.
panel does not lightnRemove the back cover of the system and check each connection to the
up. power supply inlet connector.
Ð Loose connection on the bronze and blue copper wires of the power switch
nCheck each connection.
Ð Power supply unit is out-of-order,
nReplace the power supply unit.
Ð Monitor cable is not properly installed to connector VGA of the system.
Ð Loose connection between the multi-I/O (VGA) expansion card and the
Abnormal VGA screen CPU card.
displaynPull out the multi-I/O expansion card from the CPU card then re-install
it back. If symptoms persist, replace the multi-I/O expansion card.
Ð Defective CPU card
nReplace the CPU card of the System.
Ð The brightness control is not properly adjusted.
nAdjust the brightness control to a satisfactory level.
Ð Inverted connection (from LCD converter board to CPU card) of the 44-pin
LCD converter cable
nAdjust and install the LCD converter cable properly.
Ð Loose connection between the LCD converter board and the LCD panel
nPull out the LCD converter board from the LCD panel then re-install it
Abnormal LCD screen back.
display
If symptoms still persist at this stage, replace the LCD converter board
and/or the LCD converter cable
Ð Defective LCD panel and/or inverter
nReplace the LCD panel and/or inverter.
Ð Defective CPU card
nReplace the CPU card of the system.
Ð Incorrect BIOS version
nUpgrade the BIOS version. Consult CASIO engineers for the latest
version.
Ð Loose connection between the multi-I/O (COMx) expansion card and the
CPU card.
COM Port is notnPull out the multi-I/O expansion card from the CPU card then re-install it
functioning back. If symptoms persist, replace the multi-I/O expansion card.
Ð Defective CPU card
nReplace the CPU card of the System.