SERVICE MANUAL
ELECTRONIC
CASH REGISTER
MODEL
ER-A450
SRV Key : LKGIM7113RCZZ
PRINTER
: PR-45M
("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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
CHAPTER 3. SERVICE (SRV) MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
CHAPTER 5. TEST FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
CHAPTER 6. DOWN LOAD FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
CHAPTER 7. SERVICE PRECAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
CHAPTER 8. CIRCUIT DIAGRAM & PWB LAYOUT . . . . . . . . . . . . . . . . . . . 8-1
PARTS GUIDE
SHARP CORPORATION
CONTENTS
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.
Содержание ER-A450
Страница 51: ...MAIN PWB LAYOUT 1 SIDE A 8 15 ...
Страница 52: ... 2 SIDE B 8 16 ...
Страница 53: ...PS PWB FRONT DISPLAY PWB POP UP DISPLAY PWB 8 17 ...