MODEL ER-A770(For "V" version)CHAPTER 1. SPECIFICATIONS ................................................................1 - 1CHAPTER 2. OPTIONS ..............................................................................2 - 1CHAPTER 3. SERVICE PRECAUTION ......................................................3 - 1CHAPTER 4. SRV RESET (Program Loop Reset) and switch to SRV mode...4 - 1CHAPTER 5. MASTER RESET ..................................................................5 - 1CHAPTER 6. DIAGNOSTICS SPECIFICATIONS.......................................6 - 1CHAPTER 7. CIRCUIT DESCRIPTION ......................................................7 - 1CHAPTER 8. CIRCUIT DIAGRAM ..............................................................8 - 1CHAPTER 9. PWB LAYOUT.......................................................................9 - 1PARTS GUIDECONTENTSParts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specifiedones for maintaining the safety and performance of the set.SHARP CORPORATIONThis document has been published to be usedfor after sales service only.The contents are subject to change without notice.SERVICE MANUAL