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Sony MZ-300 SCHEMATIC DIAGRAM - MAIN /3, Refer to page 26 - 28 for IC Block Diagrams, Ic B/D

Models: MZ-300

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MZ-E300

5-6. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –

Refer to page 24 for Notes.

Refer to page 26 – 28 for IC Block Diagrams.

Refer to page 25 for Waveforms.

IC B/D	IC B/D
	IC B/D
22	22

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Sony MZ-300 SCHEMATIC DIAGRAM - MAIN /3, Refer to page 26 - 28 for IC Block Diagrams, Refer to page 25 for Waveforms

Contents

MZ-E300 SPECIFICATIONS9-873-064-13 PORTABLE MINIDISC PLAYERDIAGRAMS TABLE OF CONTENTSDISASSEMBLY Note on IC replacementSECTION 2 GENERAL MZ-E3003-1.“LID ASSY, UPPER”, HOLDER ASSY DISASSEMBLYSECTION 3-2.MECHANISM DECKMZ-E300 3-3.MAIN BOARD3-4.OPTICAL PICK-UPASSY 1 Screws, tappingMZ-E300 SECTION TEST MODE 4-2.SETTING THE TEST MODE4-2-1.How to set the TEST MODE BP8014-4-2.How to set the Manual mode 4-2-2.Operations when the TEST MODE is set4-2-3.How to release the TEST MODE 000 AAAS CC021 AAAS CC 4-5.OVERALL ADJUSTMENT MODE4-6.NV RESET 021AAAS CC4-7-1.Overall adjustment mode structure 4-7.OVERALL ADJUSTMENT MODE4-6-1.Electrical offset adjustment method 035Ver 4-7-2.Overall CD and MO adjustment methodEnd cd Microprocessor Version 1.20 and higherXXX:NG item No YY:Adjustment Value MZ-E3002. CD overall adjustment 4-7-3.Overall CD and MO adjustment items1. Overall offset adjustment 3. MO overall adjustmentIC601 LC89642-8B-E MZ-E300 SECTION DIAGRAMS5-1.EXPLANATION OF IC TERMINALS Pin NoPin name MZ-E300Pin No DescriptionPin name MZ-E300Pin No DescriptionPin No IC801 RU6615MF-0003SYSTEM CONTROLMZ-E300 Pin namePin No 1717MZ-E300 Pin nameMAIN BOARD 5-2.BLOCK DIAGRAMSMZ-E300 IC601 5-3.PRINTED WIRING BOARDS - MAIN SECTION 1/2MOTOR FLEXIBLE BOARD IC501SIDE A 5-4.PRINTED WIRING BOARDS - MAIN SECTION 2/2IC301 IC901MZ-E300 2121IC B/D Refer to page 25 for Waveforms 5-6.SCHEMATIC DIAGRAM - MAIN SECTION 2/3Refer to page 26 - 28 for IC Block Diagrams IC B/DRefer to page 26 - 28 for IC Block Diagrams 5-7.SCHEMATIC DIAGRAM - MAIN SECTION 3/32323 MZ-E300MZ-E300 Note on Printed Wiring Boards MAIN SECTIONNote on Schematic Diagram MAIN SECTION J DigitalWaveforms MZ-E300IC501 SN761057DBT IC BLOCK DIAGRAMSIC301 TA2131FL-EL MZ-E300IC551 SC111257FCR2 MZ-E300IC901 XPC18A32FCR2 MZ-E3006-1.MAIN SECTION SECTION EXPLODED VIEWSMZ-E300 6-2.MECHANISM DECK SECTION MT-MZE300-176 MZ-E300MAIN SECTION ELECTRICAL PARTS LISTMZ-E300 Ver MZ-E300MAIN Ref. NoMZ-E300 MAIN Description of Revision MZ-E300 REVISION HISTORYDate Change of microprocessor IC801 Ver