qSERVICE MANUAL
CODE : 00ZERA410USME
ELECTRONIC CASH REGISTER
ER-A410 MODEL ER-A420
SRV KEY : LKGIM7113RCZZ
PRINTER :
CONTENTS
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
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
for after sales service only.
SHARP CORPORATION The contents are subject to change without notice.