Casio QT-7300 Series User manual

SERVICE MANUAL
ELECTRONIC CASH REGISTER
(without price)
QT-7300(EX-963)
MAY. 2001

CONTENTS
QT-7300 PAGE
1. EXPLANATION OF PRODUCT ................................................................... 1
1-1. General Description ................................................................................................... 1
1-2. System Overview........................................................................................................ 1
1-3. Major Component ....................................................................................................... 2
1-4. Specifications ............................................................................................................. 3
1-5. I/O Outlets ................................................................................................................... 5
2. DISASSEMBLY............................................................................................ 6
3. INSTALLATION ......................................................................................... 10
4. SYSTEM INSTALLATION.......................................................................... 11
4-1. CPU ............................................................................................................................ 11
4-2. DRAM......................................................................................................................... 11
4-3. HDD ............................................................................................................................ 12
4-4. Serial Ports................................................................................................................12
4-5. Parallel Port...............................................................................................................12
4-6. VGA ............................................................................................................................ 12
4-7. Ethernet ..................................................................................................................... 12
4-8. Cash Drawer.............................................................................................................. 13
4-9. Keyboard ................................................................................................................... 14
4-10. PS/2 Mouse ............................................................................................................... 14
4-11. External FDD ............................................................................................................. 14
4-12. Expansion Slot.......................................................................................................... 15
4-13. System O/S and Software Installation .................................................................... 15
4-14. Award BIOS Setup.................................................................................................... 16
4-15. Watchdog Function .................................................................................................. 28
4-16. Touch screen ............................................................................................................ 29
4-17. ETHERNET INTRODUCTION.................................................................................... 31
5. CIRCUIT EXPLANATIONS ........................................................................ 34
5-1. Explanations of each block ..................................................................................... 34
5-2. Block diagram........................................................................................................... 37
5-3. Jumper setting.......................................................................................................... 38
6. DIAGNOSTIC OPERATION....................................................................... 41
6-1. Diagnositc softwares ............................................................................................... 41
6-2. Customer display ..................................................................................................... 41
6-3. Drawer test ................................................................................................................ 45
6-4. Touch panel test ....................................................................................................... 46
7. TROUBLESHOOTING ............................................................................... 48
8. DATA SHEET............................................................................................. 50
8-1. Power Supply (100W) ............................................................................................... 50
9. CIRCUIT DIAGRAM ................................................................................... 51
10. PARTS LIST............................................................................................... 76

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