Sharp er-a410 User Manual

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SERVICE MANUAL

ER-A410

ER-A420

ELECTRONIC
CASH REGISTER

MODEL

CONTENTS

CODE : 00Z

ERA410USME

ER-A410
ER-A420

SRV KEY : LKGIM7113RCZZ
PRINTER : PR-45M II
(U, A version)

CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

CHAPTER 3. MASTER RESET AND PROGRAM RESET. . . . . . . . . 6

CHAPTER 4. HARDWARE DESCRIPTION. . . . . . . . . . . . . . . . . . . . 7

CHAPTER 5. DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . . . 14

CHAPTER 6. IPL FROM EP-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . 19

CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT . . . . . . . . . 20

PARTS GUIDE

Parts marked with "!" are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.

This document has been published to be used

SHARP CORPORATION

for after sales servic e only.
The contents are subject to change without notice.

service-repairmanual.com

CAUTIONS

THERE IS A RISK OF EXPLOSION IF THE BATTERY

IS REPLACED BY AN INCORRECT TYPE.

PROPERLY DISPOSE OF USED BATTERIES ACCORDING

TO THE INSTRUCTIONS.

WHEN CONNECTING THE 40PIN FLAT CABLE

BETWEEN THE MAIN PWB

AND THE KEY PWB, CAREFULLY INSERT THE

CABLE INTO CONNECTOR OPENING.

ER-A410U/ER-A 420U