Manuals / Sony / Home Audio / MiniDisc Player

Sony MZ-N505 service manual fixed at “L” in this set

Models: MZ-N505

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MZ-N505

Pin No.	Pin Name	I/O	Description

246	EVA	I	EVA/FLASH chip discrimination input terminal “L”: FLASH chip, “H”: EVA chip
246	EVA	I	(fixed at “L” in this set)
			(fixed at “L” in this set)

247	FLASHVDD	—	Power supply terminal (for the built-in flash memory) (+2.4V)

248	FLASHVSS	—	Ground terminal (for the built-in flash memory)

249 to	NC	—	Not used
256	NC	—	Not used
256

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Sony MZ-N505 service manual fixed at “L” in this set

Contents

MZ-N505 SPECIFICATIONSSony Corporation PORTABLE MINIDISC RECORDERBatteries Battery lifeMZ-N505 Stereo6.DIAGRAMS TABLE OF CONTENTS3.DISASSEMBLY 7.EXPLODED VIEWSNOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-5R MZ-N505 SECTION SERVICING NOTESNOTES ON LASER DIODE EMISSION CHECK OPTICAL PICK-UPFLEXIBLE BOARDThe headphones/earphoneswith a remote control SECTION GENERALLookingat the controls MZ-N505MZ-N505 SECTION DISASSEMBLY 3-1.DISASSEMBLY FLOW3-2.CASE LOWER 3-3.CASE UPPER SECTIONMZ-N505 switch 3 button control 4 case upper sub assy 3-4.LCD MODULE, CASE UPPER SUB ASSY3-5.MECHANISM DECK MT-MZN707-177 MZ-N5053 battery case 4 main board 3-6.SET CHASSIS 5188 ASSY3-7.MAIN BOARD 1 battery terminal board + 2 battery terminal2 gear SA 3-8.OP SERVICE ASSY LCX-5RMZ-N505 5 screw M1.4MZ-N505 3-9.HOLDER ASSY3-10.DC MOTOR SLED M602 4 holder assy 2 Open the holder assy 3 bossMZ-N505 6 gear HAV1.100 SETTING METHOD OF TEST MODEOPERATION IN SETTING THE TEST MODE MZ-N505 SECTION TEST MODEMANUAL MODE CONFIGURATION OF TEST MODE000Manual MZ-N5050110FEJ1B OVERALL ADJUSTMENT MODE011C68S1B 011063B1BSetting Method of Reset The Error Display Code RESET THE ERROR DISPLAY CODEDescription of Error Indication Codes MZ-N505004rPLAY 000P**R004FF 000P**R 000 EIB 000Stat 000Adrs 000BEmp 000######888SET OK 888RMC OKMZ-N505 PRECAUTIONS FOR ADJUSTMENT 021ResetMZ-N505 SECTION ELECTRICAL ADJUSTMENTS ADJUSTMENT SEQUENCE771AD 336###S741AD 772AD779AD 777AD778AD 865###S872###S POWER SUPPLY MANUAL ADJUSTMENT871###S 873###S765AD TEMPERATURE COREECTION764AD 766AD011###S LASER POWER CHECK010Laser 012###SIC601 IC501IC901 MZ-N505035Ofst 000Assy000Assy11 000OfstOK000CD OK XXXCD RUN000*** NG XXXMO RUN043ResClr 043###S00043Res RESUME CLEAR•Pre-Check MZ-N505Preparation Rewriting the Patch DataMZ-N505 6.Click the Write + Verify buttonMZ-N505 8. Click the Usb Disconnect buttonSECTION DIAGRAMS6-1.BLOCK DIAGRAM - SERVO/USB Section SIGNAL PATHMZ-N505 BLOCK DIAGRAM - AUDIO SectionX801 SIGNAL PATH PLAYBACK REC ANALOG IN REC DIGITAL INRMC KEY MZ-N505Page 33 F PageSignal path E PLAYBACK j REC ANALOG IN Note on Printed Wiring BoardNote on Schematic Diagram MZ-N505MZ-N505 IC902 IC301IC501 IC302Page line with mark 0are critical for safetyMZ-N505 PageMZ-N505 Page MZ-N505Page B5 39SMVPage MZ-N505Page Replace only with part number specified3 IC501 ed RF OUT MZ-N505Waveforms 8 IC801 zc, UOSCO USB modeIC Block Diagrams IC301 AK5354VT-E2 MZ-N505IC302 TA2131FL EL MZ-N505 IC501 SN761057AMZ-N505 IC551 SC111258FCR2MZ-N505 IC601 XPC18A22AFCR2IC702 XC6367A361MR MZ-N505 IC901 XPC18A32FCR26-11.IC PIN FUNCTION DESCRIPTION IC501 SN761057A RF AMP, FOCUS/TRACKING ERROR AMPMZ-N505 MZ-N505 Not usedMZ-N505 Data input terminalAnalog muting control signal output terminal MZ-N505MZ-N505 VSIOSCMZ-N505 DVSS3MZ-N505 fixed at “L” in this set7 4 SECTION EXPLODED VIEWS7-1.CASE SECTION MZ-N5057-2.CHASSIS SECTION MZ-N5057-3.MAIN BOARD SECTION 101 MZ-N505303307 7-4.MECHANISM DECK SECTION-1 MT-MZN707-177308 MZ-N505352 7-5.MECHANISM DECK SECTION-2 MT-MZN707-177356 359 361 360SECTION ELECTRICAL PARTS LIST MZ-N505 MAINMAIN MZ-N505MZ-N505 MAIN Ref. NoMZ-N505 MAINRef. No MZ-N505 MAIN Ref. NoMEMO MZ-N505REVISION HISTORY DateDescription of Revision MZ-N505

(fixed at “L” in this set)