Boss Audio Systems C-650 Wartungshandbuch

SERVICE MANUALPORTABLE MINIDISC RECORDERMZ-NH900Ver 1.1 2004.09SPECIFICATIONS9-879-121-022004I05-1© 2004.09Sony CorporationPersonal Audio CompanyPubl

10MZ-NH9003-7. GEAR (BSA), GEAR (SB)1self tap screw2thrust retainer spring3washer (0.8-2.5)4gear (BSA)5gear (SB)3-6. BATTERY CASE BLOCK4screw(M1.4)

11MZ-NH9003-8. OP SERVICE ASSY3-9. DC MOTOR SSM18D/C-NP (SPINDLE) (M701), DC MOTOR (SLED) (M702),DC MOTOR UNIT (OVER WRITE HEAD UP/DOWN) (M

12MZ-NH9003-10. HOLDER ASSY4Remove the holder assy to the direction of the arrow A.3Open the holder assy.1boss2bossA3-11. POSITION OF FERRITE CORE

13MZ-NH900SECTION 4TEST MODEOUTLINEA key having no particular description in the text, indicates a setkey.1. ENTERING THE TEST MODEPreparation:Co

14MZ-NH9005. MANUAL MODEThis is mode to adjust or check the operation of the set by function.Operation of The Manual Mode1. Enter the test mode (Disp

15MZ-NH9006. OVERALL ADJUSTMENT MODE6-1. Operation of The Overall Adjustment Mode1. Enter the test mode (Display Check mode).2. Press the [VOL--] ke

16MZ-NH90011*$$$$$$ ##888SET OK ##888RMC OK ##Flow of Self-diagnosis Result Display mode operation:7-2. Error Code of The Self-Diagnosis Result Displa

17MZ-NH900SECTION 5ELECTRICAL ADJUSTMENTS1. PRECAUTIONS FOR ADJUSTMENT1. Adjustment must be done in the test mode only. After adjusting,release the

18MZ-NH9003-4-2. PwrAdj adjustmentsRepeat the following procedures and adjust all contents of “table 3-4-1. PwrAdj Specifications”.Example Display (It

19MZ-NH9003-4-3. VBsAdj adjustmentsProcedure:1. In the “3-4-2. PwrAdj Adjustments” completed status, pressthe > key to display as follows.Display

MZ-NH9002Notes on chip component replacement• Never reuse a disconnected chip component.• Notice that the minus side of a tantalum capacitor may bedam

20MZ-NH900Example of Calculation:Item No. ParameterResultDecimal Hexadecimal0211 Pr_nominal 2.50 mW 50 32h0212 Kr −0.3 %/°C30 1Eh0213 Pw_nominal 7.35

21MZ-NH9003-8. Servo Overall AdjustmentNote1: Be sure to adjustment so that the set is horizontal and the LCD isupside. Unless performed in that state

22MZ-NH900MEMO

MZ-NH9002323MZ-NH9008484740414223935213233756154555051524915141819IYVREFOPTICALPICK-UPBLOCK(ABX-U)HR601OVERWRITEHEADDD_CPD_IPDO_SOURCECBAVREF10A_CJYJX

MZ-NH9002424MZ-NH900+1.2VREGULATORIC302SYSTEM CONTROLLER,DIGITAL SIGNAL PROCESSORIC801 (2/3)314UDP318UPUEN315UDM32DATA+DATA–1VBUSCN451(USB)320UOSCO319

MZ-NH9002525MZ-NH900246SYSTEM CONTROLLERIC801 (3/3)GND_SW226 219 73 256 257 207VREC_SELVBUS_VB_CTL25LGVCO1117LVB27VB14L113L138L237L2DW_2BDW_2T55REGI15

MZ-NH9002626MZ-NH900• Note For Printed Wiring Boards and Schematic Diagrams• MAIN board is multi-layer printed board.However, the patterns of intermed

MZ-NH9002727MZ-NH900R712C713C715C717C716C714R706R707R708C701C702C703R709R710R711C705C706C707C708C710C709L701 L702IC701BP701C712R713CN70100.10.10.10.10

MZ-NH9002828MZ-NH9006-5. SCHEMATIC DIAGRAM – MAIN Section (2/9) –• See page 38 for IC Block Diagrams.Q611Q615W601W602IC606C668C669R663R662R660 R661C

MZ-NH9002929MZ-NH900The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.Les

MZ-NH9003TABLE OF CONTENTS1. SERVICING NOTES ... 42. GENERAL ...

MZ-NH9003030MZ-NH900Q451Q403FB451FB452R455R456R421C425 C427Q452R462 D458R467C453C402 C403LF451D440CN451C429C459C458C456D457R466R464R463R425R436LF401C4

MZ-NH9003131MZ-NH9006-8. SCHEMATIC DIAGRAM – MAIN Section (5/9) –• See page 38 for IC Block Diagrams.C959C901R924C958IC901C924D905C920C916C908R904C9

MZ-NH9003232MZ-NH900FB353FB357IC351D152D252C370C352C151C251R352R251 R151R355R360R254R154C351R351Q352C154Q251R361C361C364R354R358C365C360C362C354C368C3

MZ-NH9003333MZ-NH9006-10. SCHEMATIC DIAGRAM – MAIN Section (7/9) –• See page 38 for IC Block Diagrams.R476 R477R471R472R473R475R490R491R894C481C479

MZ-NH9003434MZ-NH9006-11. SCHEMATIC DIAGRAM – MAIN Section (8/9) –• See page 26 for Waveforms. • See page 42 for IC Pin Function Description.R825C80

MZ-NH9003535MZ-NH9006-12. SCHEMATIC DIAGRAM – MAIN Section (9/9) –• See page 26 for Waveforms. • See page 38 for IC Block Diagrams.C325R309R310R312C

MZ-NH9003636MZ-NH9006-13. PRINTED WIRING BOARD – MAIN Section (1/2) – : Uses unleaded solder.Q301D303D302Q451BCES890S891CN451(USB)CN451(FRONT VIEW)

MZ-NH9003737MZ-NH9006-14. PRINTED WIRING BOARD – MAIN Section (2/2) – : Uses unleaded solder.C545C536C526C538C531C529C525C559R512C528C523C550C513C5

MZ-NH9003838MZ-NH900• IC Block DiagramsIC301 AK5356VN-LIC351 CXD9811KLIN28A/DCONVERTERAUDIOINTERFACECONTROLLERCDTI11SDTOMICLPREOLPRENLPRELPRERPRENRPRE

39MZ-NH90085NC A1286HOLD OUT87RST OUT88PVBUS1NC_A12DW 1B3DW 1T4VRECO 25VRECO 1L1 16L1 27INP18UP 1T9UP 1B10GND11PGND113VC14VC15PGND316PGND117UP 3B18VRE

4MZ-NH900SECTION 1SERVICING NOTESThe laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference

40MZ-NH90012VDDGNDCEREGULATORCURRENTLIMIT3VOUT5ECO4IC602 R1160N121B-TR-FA12354+–BUFFERVLX LIMITERCHIPENABLEREFERENCEVOLTAGEPFM CONTROLOSC 100kHzVDDCEV

41MZ-NH900IC891 AK6514CF-E218765234Y DECODER X DECODERADDRESS GENERATORHIGH VOLTAGEGENERATORMEMORYARRAYY SELECT &SENSE AMPCONTROLLOGICSERIAL-PARAL

42MZ-NH900IC801 CXD2681-223GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR)Pin No. Pin Name I/O Description1 DVDD1_0 — Power supply terminal2 DVSS1_0

43MZ-NH900Pin No. Pin Name I/O Description47 DAVDD — Power supply terminal (for D/A converter)48 DVDD25LPF — Power supply terminal (for D/A converter)

44MZ-NH900Pin No. Pin Name I/O Description102 PCO O Phase comparison output terminal for the playback EFM system master PLL103 FILI I Filter input ter

45MZ-NH900Pin No. Pin Name I/O Description146 VREFL IReference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH)Not us

46MZ-NH900Pin No. Pin Name I/O Description193 USB_WAKE I System wake up signal input by USB connect194 A7CAL_SW I/O Current sense amplifier input, and

47MZ-NH900Pin No. Pin Name I/O Description237CC_CTL/VI_CTLO Constant current circuit control signal output terminal238XRST_MTR_DRVO Reset signal outpu

48MZ-NH900Pin No. Pin Name I/O Description287 SCS3 O Chip select signal output for LAM microcomputer communication Not used288 SCS4 O Chip select s

49MZ-NH900SECTION 7EXPLODED VIEWS7-1. CASE SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark13-266-206-11 KNOB (OPEN)

5MZ-NH900SECTION 2GENERALThis section is extracted frominstruction manual.The recorderA •NAVI/ MENU buttonPress lightly to go to the NAVI (navigation

50MZ-NH9007-2. UPPER PANEL SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark51 X-2023-708-1 PANEL (S) SUB ASSY, UPPER

51MZ-NH9007-3. CHASSIS SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark101 3-266-499-01 OPEN SLIDER102 3-245-889-01 SP

52MZ-NH900The components identified bymark 0 or dotted line withmark 0 are critical for safety.Replace only with part num-ber specified.Les composants

53MZ-NH900SECTION 8ELECTRICAL PARTS LISTRef. No. Part No. Description Remark Ref. No. Part No. Description RemarkX-2023-375-1 MAIN BOARD, COMPLETE

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark54MZ-NH900C429 1-125-777-11 CERAMIC CHIP 0.1uF 10% 10VC434 1-125-777-11 CERAMI

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark55MZ-NH900C705 1-164-943-11 CERAMIC CHIP 0.01uF 10% 16VC706 1-107-819-11 CERAM

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark56MZ-NH900D440 6-500-483-01 DIODE MA22D2800LS0D441 8-719-056-54 DIODE MAZS

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark57MZ-NH900L805 1-216-295-00 SHORT CHIP 0L806 1-400-342-21 INDUCTOR 10uHL881 1-

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark58MZ-NH900R414 1-218-965-11 RES-CHIP 10K 5% 1/16WR415 1-218-961-11 RES-CHIP 4.

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark59MZ-NH900R670 1-218-990-11 SHORT CHIP 0R671 1-218-990-11 SHORT CHIP 0R673 1-2

6MZ-NH900The headphones/earphones with a remote controlA Vo l u me Control (VOL +, –)Turn to adjust the volume.B x (stop) buttonC Jog lever (NX/ENT, .

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark60MZ-NH900R935 1-208-935-11 METAL CHIP 100K 0.5% 1/16WR936 1-208-927-11 METAL

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark61MZ-NH900511510Dedicated USB cable (1)Remote control (1)510AC power adaptor (

2MZ-NH900REVISION HISTORYClicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised pag

7MZ-NH900• This set can be disassembled in the order shown below.3-1. DISASSEMBLY FLOW3-2. CASE (LOWER) BLOCK(Page 8)3-3. MAIN BOARD(Page 8)3-4. UPPE

8MZ-NH9003-3. MAIN BOARDNote: Follow the disassembly procedure in the numerical order given.3-2. CASE (LOWER) BLOCK1Open the battery lid in the dire

9MZ-NH9003-4. UPPER PANEL BLOCK3-5. MECHANISM DECK(MT-MZNH900-181)BA4two screws(M1.4)3two screws(M1.4)5upper panel block1flexible board(CN471)2Slid