ELECTRONIC
CASH REGISTER
MODEL
ER-A320
SRV Key : LKGIM7113RCZZ
PRINTER : CR-812A
(For "U" version)
CHAPTER 1. SPECIFICATIONS ....................................................................... 1
CHAPTER 2. OPTIONS ..................................................................................... 4
CHAPTER 3. SRV. RESET AND MASTER RESET .......................................... 5
CHAPTER 4. HARDWARE DESCRIPTION ...................................................... 5
CHAPTER 5. TEST FUNCTION ...................................................................... 10
CHAPTER 6. CIRCUIT DIAGRAM & PWB LAYOUT ...................................... 13
PARTS GUIDE
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.
SERVICE MANUAL