SERVICE MANUAL
CODE: 00ZERA460VSME
ELECTRONIC
CASH REGISTER
MODEL
ER-A460
MODEL
ER-A470
SRV Key : LKGIM7113RCZZ
PRINTER : DP-730
(For "V" version)
CAUTION
EXTREME CAUTION MUST BE TAKEN WHEN SERVICING THIS MACHINE. EVEN
THOUGH THE MODE SWITCH IS IN THE OFF POSITION, VOLTAGE IS STILL SUPPLIED
TO THE ENTIRE MACHINE.
WHEN WORKING ON THIS MACHINE MAKE SURE THAT THE POWER CORD IS
REMOVED FROM THE WALL OUTLET.
CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CHAPTER 3. SRV. RESET AND MASTER RESET . . . . . . . . . . . . . . . . . . . . . . 9
CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CHAPTER 5. TEST FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
CHAPTER 6. DOWN LOAD FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
CHAPTER 7. CIRCUIT DIAGRAM & PWB LAYOUT . . . . . . . . . . . . . . . . . . . . 41
PARTS GUIDE
CONTENTS
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
Parts marked with "
!
" is 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.
ER-A460
ER-A470
Summary of Contents for ER-A460
Page 49: ...2 Main PWB layout 48 ...
Page 57: ...13 Keyboard PWB layout 56 ...
Page 60: ... Top cabinet etc ER A460 I 34 RCPSO082 2 ...
Page 62: ...ER A460V Top cabinet etc ER A470 RCPSO083 4 ...
Page 64: ... ER A460V 9 RCPSO084 6 ...