Boss Audio Systems 639 UA Instrukcja Obsługi

SERVICE MANUALMD recorderAudio playing systemMiniDisc digital audio systemLaser diode propertiesMaterial: GaAlAsWavelength: λ = 790 nmEmission duratio

10MZ-NH700/NHF8003-8. OP SERVICE ASSY3-9. DC MOTOR SSM18D/C-NP (SPINDLE) (M701), DC MOTOR (SLED) (M702),DC MOTOR UNIT (OVER WRITE HEAD UP/DO

11MZ-NH700/NHF8003-10. HOLDER ASSY4Remove the holder assy to the direction of the arrow A.3Open the holder assy.1boss2bossA3-11. POSITION OF FERRIT

12MZ-NH700/NHF800SECTION 4TEST MODEOUTLINEA key having no particular description in the text, indicates a setkey.1. ENTERING THE TEST MODEPrepara

13MZ-NH700/NHF8005. MANUAL MODEThis is mode to adjust or check the operation of the set by function.Operation of The Manual Mode1. Enter the test mod

14MZ-NH700/NHF8006. OVERALL ADJUSTMENT MODE6-1. Operation of The Overall Adjustment Mode1. Enter the test mode (Display Check mode).2. Press the [VO

15MZ-NH700/NHF80011*$$$$$$ ##888SET OK ##888RMC OK ##Flow of Self-diagnosis Result Display mode operation:7-2. Error Code of The Self-Diagnosis Result

16MZ-NH700/NHF800SECTION 5ELECTRICAL ADJUSTMENTS1. PRECAUTIONS FOR ADJUSTMENT1. Adjustment must be done in the test mode only. After adjusting,relea

17MZ-NH700/NHF8003-4-2. PwrAdj adjustmentsRepeat the following procedures and adjust all contents of “table 3-4-1. PwrAdj Specifications”.Example Disp

18MZ-NH700/NHF8003-4-3. VBsAdj adjustmentsProcedure:1. In the “3-4-2. PwrAdj Adjustments” completed status, pressthe > key to display as follows.

19MZ-NH700/NHF800Example of Calculation:Item No. ParameterResultDecimal Hexadecimal0211 Pr_nominal 2.50 mW 50 32h0212 Kr −0.3 %/°C30 1Eh0213 Pw_nomina

MZ-NH700/NHF8002Design and specifications are subject to change without notice.Supplied accessoriesAC power adaptor (1)Remote control (1)Headphones (f

20MZ-NH700/NHF8003-8. Servo Overall AdjustmentNote1: Be sure to adjustment so that the set is horizontal and the LCD isupside. Unless performed in tha

MZ-NH700/NHF8002121MZ-NH700/NHF800SECTION 6DIAGRAMS6-1. BLOCK DIAGRAM – MD SERVO Section –8484740414223935213233756154555051524915141819IYVREFOPTIC

MZ-NH700/NHF8002222MZ-NH700/NHF800+1.2VREGULATORIC302REFERENCE VOLTAGESWITCHINGQ351SYSTEM CONTROLLER,DIGITAL SIGNAL PROCESSORIC801 (2/3)XMUTE/MUTE2112

MZ-NH700/NHF8002323MZ-NH700/NHF800(Page 22)(Page 22)6-3. BLOCK DIAGRAM – POWER SUPPLY Section –246SYSTEM CONTROLLERIC801 (3/3)GND_SW226 219 73 256 2

MZ-NH700/NHF8002424MZ-NH700/NHF800• Note For Printed Wiring Boards and Schematic Diagrams• MAIN board is multi-layer printed board.However, the patter

MZ-NH700/NHF8002525MZ-NH700/NHF8006-4. SCHEMATIC DIAGRAM – MAIN Section (1/9) –• See page 36 for IC Block Diagram.R712C713C715C717C716C714R706R707R7

MZ-NH700/NHF8002626MZ-NH700/NHF8006-5. SCHEMATIC DIAGRAM – MAIN Section (2/9) –• See page 36 for IC Block Diagrams.Q611Q615W601W602IC606C668C669R663

MZ-NH700/NHF8002727MZ-NH700/NHF8006-6. SCHEMATIC DIAGRAM – MAIN Section (3/9) –• See page 36 for IC Block Diagram.• See page 24 for Waveforms.The co

MZ-NH700/NHF8002828MZ-NH700/NHF8006-7. SCHEMATIC DIAGRAM – MAIN Section (4/9) –• See page 36 for IC Block Diagram.Q451Q403C574C457C430FB451FB452C424

MZ-NH700/NHF8002929MZ-NH700/NHF8006-8. SCHEMATIC DIAGRAM – MAIN Section (5/9) –• See page 36 for IC Block Diagram.C959C901R924C958IC901C924D905L907C

MZ-NH700/NHF8003TABLE OF CONTENTS1. SERVICING NOTES ... 42. GENERALLocation of Controls...

MZ-NH700/NHF8003030MZ-NH700/NHF8006-9. SCHEMATIC DIAGRAM – MAIN Section (6/9) –• See page 36 for IC Block Diagram.Q353IC352C151C152C251C252R153R154R

MZ-NH700/NHF8003131MZ-NH700/NHF8006-10. SCHEMATIC DIAGRAM – MAIN Section (7/9) –• See page 36 for IC Block Diagram.R476 R477R471R472R473R475R490R491

MZ-NH700/NHF8003232MZ-NH700/NHF8006-11. SCHEMATIC DIAGRAM – MAIN Section (8/9) –• See page 40 for IC Pin Function Description.• See page 24 for Wave

MZ-NH700/NHF8003333MZ-NH700/NHF8006-12. SCHEMATIC DIAGRAM – MAIN Section (9/9) –• See page 24 for Waveforms.• See page 36 for IC Block Diagrams.C325

MZ-NH700/NHF8003434MZ-NH700/NHF8006-13. PRINTED WIRING BOARD – MAIN Section (1/2) – : Uses unleaded solder.• SemiconductorLocationRef. No. Location

MZ-NH700/NHF8003535MZ-NH700/NHF8006-14. PRINTED WIRING BOARD – MAIN Section (2/2) – : Uses unleaded solder.• SemiconductorLocationRef. No. Location

MZ-NH700/NHF8003636MZ-NH700/NHF800• IC Block DiagramsIC301 AK5356VN-LV REFMTSWBSTSWBEEP19202122232418 17 16 15 14 13PWSW12111087BST19BST2654321BSTAGCP

37MZ-NH700/NHF80085NC A1286HOLD OUT87RST OUT88PVBUS1NC_A12DW 1B3DW 1T4VRECO 25VRECO 1L1 16L1 27INP18UP 1T9UP 1B10GND11PGND113VC14VC15PGND316PGND117UP

38MZ-NH700/NHF80012VDDGNDCEREGULATORCURRENTLIMIT3VOUT5ECO4IC602 R1160N121B-TR-FA12354+–BUFFERVLX LIMITERCHIPENABLEREFERENCEVOLTAGEPFM CONTROLOSC 100kH

39MZ-NH700/NHF800IC892 HN58X2564FPIEZ18765234Y DECODER X DECODERADDRESS GENERATORHIGH VOLTAGEGENERATORMEMORYARRAYY SELECT &SENSE AMPCONTROLLOGICSE

4MZ-NH700/NHF800SECTION 1SERVICING NOTESThe laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential dif

40MZ-NH700/NHF800IC801 CXD2681-223GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR)Pin No. Pin Name I/O Description1 DVDD1_0 — Power supply terminal2

41MZ-NH700/NHF800Pin No. Pin Name I/O Description47 DAVDD — Power supply terminal (for D/A converter)48 DVDD25LPF — Power supply terminal (for D/A con

42MZ-NH700/NHF800Pin No. Pin Name I/O Description102 PCO O Phase comparison output terminal for the playback EFM system master PLL103 FILI I Filter in

43MZ-NH700/NHF800Pin No. Pin Name I/O Description146 VREFL I Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-C

44MZ-NH700/NHF800Pin No. Pin Name I/O Description195 SI0 I Serial data input from the EEPROM196 SO0 O Serial data output to the EEPROM, A/D converter

45MZ-NH700/NHF800Pin No. Pin Name I/O Description238XRST_MTR_DRVO Reset signal output to the motor driver239 XCS_NV O Chip select signal output to the

46MZ-NH700/NHF800Pin No. Pin Name I/O Description288 SCS4 O Chip select signal output for ATRAC3 plus encoder communication Not used289 HI_Z_SLD O

47MZ-NH700/NHF800SECTION 7EXPLODED VIEWS• Items marked “*” are not stocked since theyare seldom required for routine service. Somedelay should be an

48MZ-NH700/NHF8007-2. CASE (UPPER) SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark51 X-2023-315-1 CASE (UPPER) (S) SU

49MZ-NH700/NHF8007-3. CHASSIS SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark101 3-266-202-01 SPRING (OPEN), COMPRESS

5MZ-NH700/NHF800SECTION 2GENERALThis section is extracted frominstruction manual.Looking at controlsThe recorderA Display windowB T MARK/REC (+N) but

50MZ-NH700/NHF800The components identified bymark 0 or dotted line withmark 0 are critical for safety.Replace only with part num-ber specified.Les co

51MZ-NH700/NHF800SECTION 8ELECTRICAL PARTS LISTRef. No. Part No. Description Remark Ref. No. Part No. Description RemarkX-2023-415-1 MAIN BOARD, CO

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark52MZ-NH700/NHF800C415 1-125-777-11 CERAMIC CHIP 0.1uF 10% 10VC416 1-125-777-11

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark53MZ-NH700/NHF800C669 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3VC671 1-125-777-11

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark54MZ-NH700/NHF800D303 8-719-056-54 DIODE MAZS068008SOD304 8-719-056-54 DIODE

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark55MZ-NH700/NHF800L607 1-419-881-11 INDUCTOR 47uHL608 1-400-402-21 INDUCTOR 4.7

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark56MZ-NH700/NHF800R305 1-218-941-11 RES-CHIP 100 5% 1/16WR306 1-218-965-11 RES-

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark57MZ-NH700/NHF800R649 1-245-456-21 METAL CHIP 1 1% 1/5WR650 1-216-793-11 METAL

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark58MZ-NH700/NHF800R918 1-218-985-11 RES-CHIP 470K 5% 1/16WR920 1-218-985-11 RES

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark59MZ-NH700/NHF8003-266-529-71 MANUAL, INSTRUCTION (DUTCH)(NHF800: AEP)3-266-52

6MZ-NH700/NHF800• This set can be disassembled in the order shown below.3-1. DISASSEMBLY FLOW3-2. CASE (LOWER) SECTION(Page 7)3-3. MAIN BOARD(Page 7)

2MZ-NH700/NHF800REVISION HISTORYClicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revi

7MZ-NH700/NHF8003-3. MAIN BOARD2LCD module flexible board(CN471)4three screws(M1.4)1Remove two solders of over write head flexible board.6OP flexible

8MZ-NH700/NHF8003-4. CASE (UPPER) SECTION3-5. MECHANISM DECK SECTION (MT-MZNH900-181), MD STANDARD PIN1LCD module flexible boaed(CN471)7case (up

9MZ-NH700/NHF8003-6. SET CHASSIS ASSY3-7. GEAR (BSA), GEAR (SB)1torsion coil spring (R)2extension spring (R)5two screws3compression coil spring (op