Sony MZ-NH1 User Manual

SERVICE MANUALPORTABLE MINIDISC RECORDERUS ModelAEP ModelUK ModelE ModelAustralian ModelChinese ModelTourist ModelSPECIFICATIONSMZ-NH1Audio playing sy

MZ-NH1103-8. OP SERVICE ASSY1Lead screw block assy is turnedand it removes from OP service assy.2OP service assy3-7. GEAR (BSA), GEAR (SB)1self tap

MZ-NH1113-9. DC SSM18D/C-NP MOTOR (SPINDLE) (M701), DC SSM21A/C-NP MOTOR (SLED) (M702),DC MOTOR UNIT (OVER WRITE HEAD UP/DOWN) (M703)3two scr

12MZ-NH1OUTLINEA key having no particular description in the text, indicates a setkey.1. ENTERING THE TEST MODEPreparation:Copy the “TestMode_Enter

13MZ-NH14. CONFIGURATION OF THE TEST MODEFlow of the test mode:5. MANUAL MODEThis is mode to adjust or check the operation of the set by function

14MZ-NH16. OVERALL ADJUSTMENT MODE6-1. Operation of The Overall Adjustment Mode1. Enter the test mode (Display Check mode).2. Press the [VOL--] key

15MZ-NH18. KEY CHECK MODEThis mode is used for key check.Operation of The Key Check Mode1. Enter the test mode (Display Check mode).2. Press the [GR

16MZ-NH1SECTION 5ELECTRICAL ADJUSTMENTS1. PRECAUTIONS FOR ADJUSTMENT1. Adjustment must be done in the test mode only. After adjusting,release the te

17MZ-NH13-4-2. PwrAdj adjustmentsRepeat the following procedures and adjust all contents of “table 3-4-1. PwrAdj Specifications”.Example Display (Item

18MZ-NH13-4-3. VBsAdj adjustmentsProcedure:1. In the “3-4-2. PwrAdj Adjustments” completed status, pressthe [FF] key to display as follows.Display of

19MZ-NH13-7. Setting The Adjustment Values3-7-1. Hi-MD3 settingPreparation:1. Perform calculation every item based on the data given by theHi-MD3 adju

2MZ-NH1DimensionsApprox. 81.7 × 76.1 × 14.8 mm (w/h/d) (31/4 × 3 × 19/32 in.) (excluding projecting parts and controls)MassApprox. 97 g (3.4 oz) (the

20MZ-NH13-9. Resume ClearProcedure:1. In the test mode (Display Check mode), press the [VOL+] keyto enter the Manual mode.2. Press the [VOL+] key once

MZ-NH12121MZ-NH1SECTION 6DIAGRAMS6-1. BLOCK DIAGRAM – MD SERVO Section –8484740414223935213233756154555051524915141819IYVREFOPTICALPICK-UPBLOCK(ABX

MZ-NH12222MZ-NH1+2.1VREGULATORIC302MUTINGCONTROLQ352+3.9VREGULATORIC872SYSTEM CONTROLLER,DIGITAL SIGNAL PROCESSORIC801 (2/3)XMUTE212BEEP199314UDP318UP

MZ-NH12323MZ-NH14-3. BLOCK DIAGRAM – POWER SUPPLY Section –SYSTEM CONTROLLERIC801 (3/3)219 73 256 257 20725LGVCO1118HVB27VB55REGI152REGI248REGI3DATA

MZ-NH12424MZ-NH1• Note For Printed Wiring Boards and Schematic Diagrams• Main board is multi-layer printed board.However, the patterns of intermediate

MZ-NH12525MZ-NH16-4. SCHEMATIC DIAGRAM – MAIN Section (1/9) –• See page 36 for IC Block Diagram. • See page 24 for Waveforms.CN701C712C713C715C714C7

MZ-NH12626MZ-NH16-5. SCHEMATIC DIAGRAM – MAIN Section (2/9) –• See page 36 for IC Block Diagrams.W601W602D610R619C647R609C639D615D614L606C652R660R65

MZ-NH12727MZ-NH1The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.6-6. SCH

MZ-NH12828MZ-NH16-7. SCHEMATIC DIAGRAM – MAIN Section (4/9) –• See page 36 for IC Block Diagram.Q432Q401C575R411R421R412 R413 R414C402 C403C406C404D

MZ-NH12929MZ-NH1IC901L90410µHL90310µHC942D901C905C936R936R935R927R939R937R938C938C934R933R934C940C948C939C932SL901C931R931R924R953R952R956R957R954R958

3MZ-NH1TABLE OF CONTENTS1. SERVICING NOTES ... 42. GENERAL ...

MZ-NH13030MZ-NH16-9. SCHEMATIC DIAGRAM – MAIN Section (6/9) –• See page 36 for IC Block Diagrams. • See page 24 for Waveforms.C302C208C108C207C107R3

MZ-NH13131MZ-NH1FB355FB353FB357IC351C353D152D252FB354BP351C370C352FB351FB151FB251C151C251R352R251 R151R355R360R254R154C351R351Q352L152L25247µH47µHC255

MZ-NH13232MZ-NH16-11. SCHEMATIC DIAGRAM – MAIN Section (8/9) –• See page 36 for IC Block Diagrams. • See page 24 for Waveform.BL892BL891BL894R492BP4

MZ-NH13333MZ-NH1IC804L80222µHC845C822 C823C849Q801Q802C852R859R860L801C820R839C821L870 10µHR826R847C809R820R817R815C861R824C839 C816C856C811C835 R850R

MZ-NH13434MZ-NH1S891S893L906L907D905AKC304C305C353R414R421R623R612 R632R843R826R605C843C817R811R823R828R834R836R845R852R837R871R892 R891R805R804R806R8

MZ-NH13535MZ-NH1R518R512R517R519C550C545C547C528C525R502R501C574C517C516C515C511C533C531R504R503C557R526R561R883R958R952R940C927R923R922C926C954R914R9

MZ-NH13636MZ-NH1• IC Block DiagramsIC301 AK5356VN-LCONTROLLOGIC1MODEB2BEEPIN28ENVG27ENREG26EN225EN1LEVELSHIFTER3DIN2LEVELSHIFTER4DIN16VSSLEVELSHIFTER5

37MZ-NH1IC501 SN761059ZQLRRFPEAK/BOTTOMSERIALINTERFACEABCD1 2 3 4 5 6 10 11 12 13 1438 37 36 35 34 33 3231 30 2916151718192022212324258 97LXPSEQAGNDOF

38MZ-NH1IC601 SC901585VAR2IC602 R1160N121B-TR-FA85NC A1286HOLD OUT87RST OUT88PVBUS1NC_A12DW 1B3DW 1T4VRECO 25VRECO 1L1 16L1 27INP18UP 1T9UP 1B10GND11P

39MZ-NH1IC701 SC901583EPR2IC871 R2061K01-E2VI1 1WI1 2GNDW13GNDUV17WO14VMU193PHASECONTROLCH13PHASEPRE DRIVERCH1UI156PWM155CPUO154CPVO153CPWO152VG51VCVC

4MZ-NH1The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged ele

40MZ-NH1CS 1WP 4SO2NCNC3GND5INSTRUCTIONREGISTERDATAREGISTERR/W AMPS&AUTO ERASEDECODERADDBUFFERSVPP SWVPPGENERATORVREFEEPROM128K bit16384 × 8STATUS

41MZ-NH1IC901 SC901584EPR2POWERSWITCH 2SERIALPASSREGULATOR 349REGC250REG2G51REGO252REGI253REGC154REGO155REGI122 INM121 RF158DATA59STRB60CLK61WDT62SEQS

42MZ-NH1• IC Pin Function DescriptionIC801 CXD2681-222GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR)Pin No. Pin Name I/O Description1DVDD1_0 — Powe

43MZ-NH1Pin No. Pin Name I/O Description47 DAVDD — Power supply terminal (for D/A converter)48 DVDD25LPF — Power supply terminal (for D/A converter)49

44MZ-NH1Pin No. Pin Name I/O Description102 PCO O Phase comparison output terminal for the playback EFM system master PLL103 FILI I Filter input termi

45MZ-NH1Pin No. Pin Name I/O Description146 VREFL I Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH) 147 AO

46MZ-NH1Pin No. Pin Name I/O Description194 A7CAL_SW O A7 offset voltage CAL on/off control signal output terminal195 SI0 I Serial data input from the

47MZ-NH1Pin No. Pin Name I/O Description238XRST_MTR_DRVO Reset signal output to the motor driver239 XCS_NV O Chip select signal output to the EEPROM24

48MZ-NH1Pin No. Pin Name I/O Description288 SCS4 O Chip select signal output for ATRAC3 plus encoder communication Not used289 HI_Z_SLD O Standby s

49MZ-NH1SECTION 7EXPLODED VIEWSRef. No. Part No. Description RemarkRef. No. Part No. Description Remark13-264-157-01 KNOB (HOLD) (SILVER)13-264-157-

5MZ-NH1SECTION 2GENERALThis section is extracted frominstruction manual.Looking at controlsThe recorderA x (stop) • CANCEL buttonB Display windowC O

50MZ-NH17-2. MAIN SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark51 3-238-876-07 SCREW (M1.4), TOOTHED LOCK52 X-2023-

51MZ-NH17-3. MECHANISM DECK SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark151 3-338-645-31 WASHER (0.8-2.5)152 3-24

52MZ-NH1SECTION 8ELECTRICAL PARTS LISTRef. No. Part No. Description Remark Ref. No. Part No. Description RemarkNOTE:• Due to standardization, repla

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark53MZ-NH1MAINC401 1-125-777-11 CERAMIC CHIP 0.1uF 10% 10VC402 1-100-844-11 TANT

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark54MZ-NH1MAINC650 1-100-442-11 TANTALUM CHIP 10uF 20% 6.3VC651 1-100-353-11 CER

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark55MZ-NH1MAINC951 1-100-841-11 TANTALUM CHIP 100uF 20% 6.3VC952 1-100-841-11 TA

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark56MZ-NH1MAIN< JACK >J301 1-815-950-12 JACK (LINE IN (OPT))J302 1-818-135

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark57MZ-NH1MAINR412 1-218-990-11 SHORT CHIP 0R413 1-220-804-11 RES-CHIP 2.2M 5% 1

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark58MZ-NH1MAINThe components identified by mark 0 or dottedline with mark 0 are

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark59MZ-NH1MISCELLANEOUS**************10 1-805-493-11 LCD MODULE64 1-478-469-11 S

6MZ-NH1The headphones/earphones with a remote controlA Display windowB Jog lever (NX • ENTER, ., >)C ClipD x (stop) • CANCEL buttonE VOL +, – butt

2MZ-NH1REVISION HISTORYClicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised page

MZ-NH17• This set can be disassembled in the order shown below.3-1. DISASSEMBLY FLOWSECTION 3DISASSEMBLY3-2. BOTTOM PANEL SUB ASSY(Page 7)3-3. MAIN

MZ-NH183-4. UPPER PANEL SUB ASSYBA5two screws (M1.4) L=1.66upper panel sub assy4two screws(M1.4) L=1.63screw (M1.4) L=3.01flexible board(CN471)2Sli

MZ-NH193-5. CONTROL ORNAMENT BLOCK6A1Open the battery case lid.3two screws(M1.4) L=2.52battery case lid.8control ornament block7flexible board(CN491