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EX-580
Casio QT-2000 Service Manual
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Casio QT-2000 Service Manual
Table of content
Contents
Table Of Contents
GENERAL
Device list (Option)
SPECIFICATIONS
QT-2000 CONNECTOR LOCATIONS
INITIALIZE OPERATION
To initialize QT-2000 terminal(add/replace one QT-2000)
To flag clear QT-2000 terminal(INIT2, Restore from flash)
CIRCUIT EXPLANATION
Memory map
I/O address map
LSI Pin description
Power down detection circuit
Option RAM circuit
OPTION INSTALLATION
Rear display (QT-2060D)
MCR unit (QT-2046MC)
Multi drawer (MDL-8)
IN / ON LINE
On line
MODEM system
Kitchen printer connection
ERROR CODE LIST
IC DATA
PCB LAYOUT
CIRCUIT DIAGRAM
PARTS LIST
— 79 —
20. M51957BFP
21. M5291FP
22. SN75188
23. SN75189
OSC
1.17
VOLTAGE
COMPARATOR
COLLECTOR
EMITTER
EARTH
DRIVER
PEAK CURRENT DETECTION
POWER
COMPARATOR INPUT
NC
INPUT
NC
GND
POWER
OUTPUT
NC
INPUT
OUTPUT
GND
POWER
CLOCK
STD VOLTAGE SUPPLY
DELAY VALUE
DELAY VALUE
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This manual is suitable for:
EX-580
QT-2000
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