Table Of Contents - Casio QT-2000 Service Manual

QT-2000
1. GENERAL ............................................................................................................... 1
1-1. System chart .................................................................................................... 1
1-2. Device list (Option) .......................................................................................... 2
2. SPECIFICATIONS ................................................................................................. 3
3. QT-2000 CONNECTOR LOCATIONS .................................................................... 8
4. INITIALIZE OPERATION ...................................................................................... 11
4-1. To initialize QT-2000 terminal ........................................................................ 11
4-2. To initialize QT-2000 terminal(add/replace one QT-2000) ............................ 14
4-3. To flag clear QT-2000 terminal(INIT2, Restore from flash) ........................... 17
5. CIRCUIT EXPLANATION ..................................................................................... 18
5-1. Block diagram (MAIN PCB E580-1)............................................................... 18
5-2. Memory map .................................................................................................. 19
5-3. I/O address map ............................................................................................ 20
5-4. LSI Pin description ......................................................................................... 21
5-5. Power down detection circuit ......................................................................... 33
5-6. Option RAM circuit ......................................................................................... 34
6. OPTION INSTALLATION ...................................................................................... 35
6-1. Clerk key unit (CLK-K17,CLK-K18) ............................................................... 35
6-2. Rear display (QT-2060D)............................................................................... 36
6-3. MCR unit (QT-2046MC)................................................................................. 37
6-4. Multi drawer (MDL-8) ..................................................................................... 38
7.IN / ON LINE .......................................................................................................... 39
7-1. C-In line (ARCNET) ....................................................................................... 39
7-2. On line ........................................................................................................... 42
1. Direct connection to PC ................................................................................. 42
2. MODEM system ............................................................................................. 43
7-3. Kitchen printer connection ............................................................................. 44
8.DIAGNOSTIC OPERATION ................................................................................... 47
9.ERROR CODE LIST .............................................................................................. 67
10.IC DATA ............................................................................................................... 73
11.PCB LAYOUT ...................................................................................................... 80
12.CIRCUIT DIAGRAM ............................................................................................. 82
13. PARTS LIST ...................................................................................................... 104
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