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Casio 110CR

Casio 110CR
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ELECTRONIC CASH REGISTER
(with price)
SERVICE MANUAL
110CR/PCR250 (EX-266)
150CR (EX-267)
JAN. 1995
Printer Model : M42V
INDEX
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Casio 110CR Specifications

General IconGeneral
TypeElectronic Cash Register
Power SupplyAC 120V
Paper Width58mm
Display8-digit LED
PrinterThermal Printer
Cash Drawer5 coin compartments

Summary

Features Overview

Technical Specifications

Optional Accessories

Memory All Clear Operation

System Block Diagram

Circuit Explanations

Power Supply Circuit Details

Explanation of the power supply circuit operation and voltage distribution.

Reset Circuit Function

Description of the reset circuit's function and its role in system stability.

CPU and EEPROM Data Communication

Details on how the CPU communicates with the EEPROM memory for data transfer.

Printer Drive Circuitry

Explanation of the circuitry responsible for driving the printer mechanism.

CPU Pin Descriptions

Comprehensive list and description of CPU pin functions and signals.

Disassembly Procedures

Opening the Upper Case

Guide on how to safely open the top casing of the device.

Main PCB Removal

Procedure for detaching and removing the main printed circuit board.

Keyboard Assembly Removal

Instructions for removing the keyboard assembly from the unit.

Diagnostic Operations

Initiating Diagnostics and Basic Checks

Steps to start diagnostic mode and perform initial checks on the device.

Executing Specific Diagnostic Tests

Detailed procedures for various tests including key, switch, EEPROM, and print functions.

IC Component Data

LB1268 IC Details

Technical information and equivalent circuit for the LB1268 IC.

S-80728 AN-Z IC Details

Technical information and circuit diagram for the S-80728AN-Z IC.

System Circuit Diagrams

Printed Circuit Board Layout

Component Parts List

Main PCB Block Parts

List of parts comprising the main printed circuit board assembly.

2 nd Display Block Parts (150 CR Only)

Parts list for the secondary display unit, specific to the 150CR model.

Power Supply Block Parts

Components related to the device's power supply unit.

Keyboard Block Parts

List of parts making up the keyboard and its associated components.

Upper Case Block Parts

Parts list for the external casing and structural components.

Miscellaneous Parts

Miscellaneous parts not categorized in other specific blocks.

Printer Unit Parts

Detailed parts list for the printer mechanism and its sub-assemblies.

Drawer Unit Parts

List of components for the cash drawer mechanism.

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