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Sony MZ-300 specifications MZ-E300, XXX:NG item No YY:Adjustment Value

Models: MZ-300

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MZ-E300

6.If NG in the overall MO adjustments, return to Reset NV and perform the adjustment again.

The NG item and “ng” alternately flash on the main unit LCD display.

XXX:

XXX:NG item No.

YY:Adjustment Value

7.If OK through the overall MO adjustments, press x key to return to the TEST MODE and terminate the Overall Adjust- ment mode.

Main unit LCD display

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Sony MZ-300 specifications MZ-E300, XXX:NG item No YY:Adjustment Value

Contents

PORTABLE MINIDISC PLAYER SPECIFICATIONS9-873-064-13 MZ-E300Note on IC replacement TABLE OF CONTENTSDISASSEMBLY DIAGRAMSMZ-E300 SECTION 2 GENERAL3-2.MECHANISM DECK DISASSEMBLYSECTION 3-1.“LID ASSY, UPPER”, HOLDER ASSY1 Screws, tapping 3-3.MAIN BOARD3-4.OPTICAL PICK-UPASSY MZ-E300BP801 4-2.SETTING THE TEST MODE4-2-1.How to set the TEST MODE MZ-E300 SECTION TEST MODE000 AAAS CC 4-2-2.Operations when the TEST MODE is set4-2-3.How to release the TEST MODE 4-4-2.How to set the Manual mode021AAAS CC 4-5.OVERALL ADJUSTMENT MODE4-6.NV RESET 021 AAAS CC035 4-7.OVERALL ADJUSTMENT MODE4-6-1.Electrical offset adjustment method 4-7-1.Overall adjustment mode structureMicroprocessor Version 1.20 and higher 4-7-2.Overall CD and MO adjustment methodEnd cd VerMZ-E300 XXX:NG item No YY:Adjustment Value3. MO overall adjustment 4-7-3.Overall CD and MO adjustment items1. Overall offset adjustment 2. CD overall adjustmentPin No MZ-E300 SECTION DIAGRAMS5-1.EXPLANATION OF IC TERMINALS IC601 LC89642-8B-EDescription MZ-E300Pin No Pin nameDescription MZ-E300Pin No Pin namePin name IC801 RU6615MF-0003SYSTEM CONTROLMZ-E300 Pin NoPin name 1717MZ-E300 Pin NoMZ-E300 5-2.BLOCK DIAGRAMSMAIN BOARD IC501 5-3.PRINTED WIRING BOARDS - MAIN SECTION 1/2MOTOR FLEXIBLE BOARD IC601IC901 5-4.PRINTED WIRING BOARDS - MAIN SECTION 2/2IC301 SIDE AIC B/D 2121MZ-E300 IC B/D 5-6.SCHEMATIC DIAGRAM - MAIN SECTION 2/3Refer to page 26 - 28 for IC Block Diagrams Refer to page 25 for WaveformsMZ-E300 5-7.SCHEMATIC DIAGRAM - MAIN SECTION 3/32323 Refer to page 26 - 28 for IC Block DiagramsJ Digital Note on Printed Wiring Boards MAIN SECTIONNote on Schematic Diagram MAIN SECTION MZ-E300MZ-E300 WaveformsMZ-E300 IC BLOCK DIAGRAMSIC301 TA2131FL-EL IC501 SN761057DBTMZ-E300 IC551 SC111257FCR2MZ-E300 IC901 XPC18A32FCR2MZ-E300 SECTION EXPLODED VIEWS6-1.MAIN SECTION MZ-E300 6-2.MECHANISM DECK SECTION MT-MZE300-176MZ-E300 SECTION ELECTRICAL PARTS LISTMAIN Ref. No MZ-E300MAIN VerMZ-E300 MAIN Change of microprocessor IC801 Ver MZ-E300 REVISION HISTORYDate Description of Revision