Sharp ER-A420 Service Manual

CODE : 00Z
q
SERVICE MANUAL
CONTENTS
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.
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
ERA410VSME
ELECTRONIC
CASH REGISTER
ER-A410
MODEL
ER-A420
SRV KEY : LKGIM7113RCZZ
PRINTER : PR-45M II
(V 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 . . . . . . . . . . . . . . . . . . . . . 15
CHAPTER 6. IPL FROM EP-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . 20
CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT . . . . . . . . . 21
ER-A410
ER-A420
PARTS GUIDE

Sharp ER-A420 Specifications

General

Product color	White

Weight and Dimensions

Weight	12200 g
Dimensions (WxDxH)	355 x 424 x 305 mm