Sharp ER-A450T Service Manual - Page 1
Sharp ER-A450T Manual
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SERVICE MANUAL ELECTRONIC CASH REGISTER MODEL ER-A450T SRV Key : LKGIM7113RCZZ PRINTER : PR-45M ("U" and "A" version) CAUTION EXTREME CAUTION MUST BE TAKEN WHEN SERVICING THIS MACHINE. WHEN 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. CONTENTS CHAPTER 1. SPECIFICATIONS 1-1 CHAPTER 2. OPTIONS 2-1 CHAPTER 3. SERVICE RESET AND MASTER RESET 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 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 SHARP CORPORATION for after sales service only. The contents are subject to change without notice.