Sharp DK-A1 Service Manual

Also see for DK-A1BK: Operation manual

Contents

DK-A1/DK-A1BK– 1MUSIC SYSTEM FOR iPod®SERVICE MANUALNo. S1703DKA1////This document has been published to be used forafter sales service only.The contents are subject to change without notice.DK-A1BKMODEL• In the interests of user-safety (Required by safety regulations insome countries) the set should be restored to its original conditionand only parts identical to those specified be used.FUNCTIONCLOCKSLEEP ALARMSNOOZE/DIMMERVOLDISPLAYPLAYMODETUNINGMEMORYEQCLEARE SOUND/DEMOiPod is a registered trademark ofApple Computer, Inc.PRECAUTIONS FOR USING LEAD-FREE SOLDERCHAPTER 1. GENERAL DESCRIPTION[1] Important Service Safety Precaution ........... 1-1[2] Important Service Notes (for U.S.A. only).... 1-1[3] Specifications .............................................. 1-2[4] Name Of Parts ............................................ 1-3CHAPTER 2. ADJUSTMENTS[1] Test Function............................................... 2-1[2] Test Mode Initial Display ............................. 2-1[3] Key Test....................................................... 2-2[4] Tuner Test ................................................... 2-2[5] User Reset (All Clear) ................................. 2-2CHAPTER 3. MECHANICAL DESCRIPTION[1] Disassembly ................................................ 3-1CHAPTER 4. DIAGRAMS[1] Block Diagram............................................. 4-1CHAPTER 5. CIRCUIT DESCRIPTION[1] VOLTAGE....................................................5-1CHAPTER 6. CIRCUIT SCHEMATICS AND PARTSLAYOUT[1] Notes On Schematic Diagram .....................6-1[2] Types Of Transistor And LED .....................6-1[3] Chart Of Connecting Wires .........................6-2[4] Schematic Diagram.....................................6-4[5] Wiring Side Of PWB....................................6-14CHAPTER 7. OTHERS[1] Function Table Of IC ...................................7-1[2] FL DISPLAY ................................................7-6PARTS GUIDEParts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones formaintaining the safety and performance of the set.CONTENTSDK-A1MODELMUSIC SYSTEM FOR iPod®SHARP CORPORATION