SonyメーカーMZ-NH1の使用説明書/サービス説明書
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SERVICE MANUAL POR T ABLE MINIDISC RECORDER US Model AEP Model UK Model E Model A ustralian Model Chinese Model T our ist Model SPECIFICA TIONS MZ-NH1 Au di o pl ay in g system MiniDisc digi ta l au dio sys tem L aser diode properties Materi al: GaAlAs Wa v e l e ngth: λ = 790 nm Emission durati on: c ont inuo us Laser output: le ss th an 44.
2 MZ-NH1 Dimensions Approx. 81.7 × 76.1 × 14.8 mm (w/h/d) (3 1 / 4 × 3 × 19 / 32 in. ) (exc lu ding proj ecting part s and c ontrols) M ass Approx.
3 MZ-NH1 T ABLE OF CONTENTS 1. SER VICING NO TES ............................................... 4 2. GENERAL ................................................................... 5 3. DISASSEMBL Y 3-1. Disassembly Flo w ................................
4 MZ-NH1 T he laser diode in the optical pick-up block may suf fer electrostatic break-do wn because of the potential difference generated by the charged electrostatic load, etc.
5 MZ-NH1 SECTION 2 GENERAL This section is e xtracted from instruction manual. Looking at controls The recorder A x (stop) • CANCEL bu tton B Display wi ndo w C OPEN switch D Battery compartmen t E .
6 MZ-NH1 The headphones/earphones with a remote contr ol A Display wi ndo w B Jog lever ( NX • ENTER , . , > ) C Clip D x (stop) • CANCEL bu tton E VO L + , – but to ns F HOLD switch Slide the s w itch in the direction of the arrow (a ye llow mark appears) to disabl e t h e buttons o n the re m ote contro l.
MZ-NH1 7 • This set can be disassembled in the or der shown below . 3-1. DISASSEMBL Y FLO W SECTION 3 DISASSEMBL Y 3-2. BO TTOM P ANEL SUB ASSY (P age 7) 3-3. MAIN BOARD (P age 8) 3-4. UPPER P ANEL SUB ASSY (P age 8) 3-6. MECHANISM DECK ASSY (MT -MZNH1-181) (P age 9) 3-7.
MZ-NH1 8 3-4. UPPER P ANEL SUB ASSY B A 5 two screws (M1.4) L=1.6 6 upper panel sub assy 4 two screws (M1.4) L=1.6 3 screw (M1.4) L=3.0 1 flexib le boar d (CN471) 2 Slide the lev er (lock) in the direction of arro w A , and open the upper panel sub assy in the direction of arrow B .
MZ-NH1 9 3-5. CONTR OL ORNAMENT BLOCK 6 A 1 Open the battery case lid. 3 two screws (M1.4) L=2.5 2 battery case lid. 8 control ornament bloc k 7 flexib le board (CN491) 4 two claws 5 claw 4 claw 3-6.
MZ-NH1 10 3-8. OP SER VICE ASSY 1 Lead screw b lock assy is turned and it remov es from OP ser vice assy . 2 OP service assy 3-7. GEAR (BSA), GEAR (SB) 1 self tap screw 2 thrust retainer spring 3 washer (0.
MZ-NH1 11 3-9. DC SSM18D/C-NP MO T OR (SPINDLE) (M701), DC SSM21A/C-NP MO T OR (SLED) (M702), DC MO T OR UNIT (O VER WRITE HEAD UP/DO WN) (M703) 3 two screws (M1.4) 4 DC SSM21A/C-NP motor (sled) (M702) 1 Remov e four solders of fle xible board. 2 Remov e two solders of flexib le board.
12 MZ-NH1 OUTLINE A key ha ving no particular description in the text, indicates a set key . 1. ENTERING THE TEST MODE Preparation: Copy the “T estMode_Enter_For_NH1_NH3D_V er***.exe” folder of the PC application of the latest version to your PC in adv ance.
13 MZ-NH1 4. CONFIGURA TION OF THE TEST MODE Flow of the test mode: 5. MANU AL MODE This is mode to adjust or check the operation of the set by function. Operation of The Manual Mode 1. Enter the test mode (Display Check mode). 2. Press the [VOL+] ke y to acti vate the Manual mode where the LCD displays as sho wn below .
14 MZ-NH1 6. O VERALL ADJUSTMENT MODE 6-1. Operation of The Overall Adjustment Mode 1. Enter the test mode (Display Check mode). 2. Press the [VOL- -] ke y to activa te the Overall Adjustment mode where the LCD displays as shown belo w . Displa y of the remote commander Disc mark: Lit the inner segments: Completed the po wer supply adjustment.
15 MZ-NH1 8. KEY CHECK MODE This mode is used for key c hec k. Operation of The Ke y Check Mode 1. Enter the test mode (Display Check mode). 2. Press the [GROUP] ke y to activ ate the Key Chec k mode where the LCD displays as shown belo w .
16 MZ-NH1 SECTION 5 ELECTRICAL ADJUSTMENTS 1. PRECA UTIONS FOR ADJUSTMENT 1. Adjustment must be done in the test mode only . After adjusting, release the test mode. A ke y having no particular description in the text, indicates a set k ey . 2. Use the following tools and measuring instruments.
17 MZ-NH1 3-4-2. PwrAdj adjustments Repeat the following pr ocedur es and adjust all contents of “table 3- 4-1. PwrAdj Specifications”. Example Displa y (Item No. 2211) Procedur e: 1. Connect the digital voltmeter to measuring point (refer to the follo wing table) and ground (CL433).
18 MZ-NH1 3-4-3. VBsAdj adjustments Procedur e: 1. In the “3-4-2. PwrAdj Adjustments” completed status, press the [FF] ke y to display as f ollo ws. Displa y of the remote commander 2. Apply the voltage of 5 V to the CL453 (VBUS 5V) and CL460 (VBUS GND).
19 MZ-NH1 3-7. Setting The Adjustment V alues 3-7-1. Hi-MD3 setting Preparation: 1. Perform calculation ev ery item based on the data giv en by the Hi-MD3 adjustment disc by referring to the follo wing table. (Round of f the value in decimal place) 2.
20 MZ-NH1 3-9. Resume Clear Procedur e: 1. In the test mode (Display Check mode), press the [VOL+] key to enter the Manual mode. 2. Press the [VOL+] key once, press the [FF] k ey once, press the [VOL- -] ke y once, press the [FF] ke y once, and press the [VOL+] ke y twice, press the [FF] ke y three times to select the item number 1933.
MZ-NH1 21 21 MZ-NH1 SECTION 6 DIA GRAMS 6-1. BLOCK DIA GRAM – MD SERV O Section – 8 48 47 40 41 42 23 9 35 21 32 33 7 56 1 54 55 50 51 52 49 15 14 18 19 IY VREF OPTICAL PICK-UP BLOCK (ABX-U) HR601.
MZ-NH1 22 22 MZ-NH1 +2.1V REGULATOR IC302 MUTING CONTROL Q352 +3.9V REGULATOR IC872 SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR IC801 (2/3) XMUTE 212 BEEP 199 314 UDP 318 UPUEN 315 UDM 6 5 DATA+ DATA– CN451 (1/2) (USB) 320 UOSCO 319 UOSCI X801 48MHz 311 OSCO 4 VSB 239 XCS_NV 310 OSCI X802 22.
MZ-NH1 23 23 MZ-NH1 4-3. BLOCK DIA GRAM – POWER SUPPL Y Section – SYSTEM CONTROLLER IC801 (3/3) 219 73 256 257 207 25 LG VCO1 11 8 HVB 27 VB 55 REGI1 52 REGI2 48 REGI3 DATA SDO0 SCK0 58 CLK 63 STR.
MZ-NH1 24 24 MZ-NH1 • Note For Printed Wiring Boards and Schematic Diagrams • Main board is multi-la yer printed board. Howe v er , the patterns of inter mediate-lay er ha v e not been in- cluded in this diagrams . • Lead La youts Note on Schematic Diagram: • All capacitors are in µ F unless otherwise noted.
MZ-NH1 25 25 MZ-NH1 6-4. SCHEMA TIC DIA GRAM – MAIN Section (1/9) – • See page 36 for IC Bloc k Diagram. • See page 24 for W aveforms. CN701 C712 C713 C715 C714 C 705 C706 C707 C 708 C710 C709 RB701 RB702 R701 R703 C716 R706 R707 C 701 C 702 C 703 L704 22 µ H R702 R704 C717 IC701 L702 L701 L703 10P 0.
MZ-NH1 26 26 MZ-NH1 6-5. SCHEMA TIC DIA GRAM – MAIN Section (2/9) – • See page 36 f or IC Block Diagrams. W601 W602 D610 R619 C647 R609 C639 D615 D 6 1 4 L606 C652 R660 R656 C622 C624 R636 C626 .
MZ-NH1 27 27 MZ-NH1 The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with part number specified. 6-6. SCHEMA TIC DIA GRAM – MAIN Section (3/9) – • See page 36 for IC Bloc k Diagram. • See page 24 for W aveforms.
MZ-NH1 28 28 MZ-NH1 6-7. SCHEMA TIC DIA GRAM – MAIN Section (4/9) – • See page 36 f or IC Block Diagram. Q432 Q401 C575 R411 R421 R412 R413 R414 C402 C403 C406 C 4 0 4 D401 C 4 1 2 R418 C415 C 4.
MZ-NH1 29 29 MZ-NH1 IC901 L904 10 µ H L903 10 µ H C942 D901 C905 C936 R936 R935 R927 R939 R937 R938 C938 C934 R933 R934 C940 C948 C939 C932 SL901 C931 R931 R924 R953 R952 R956 R957 R954 R958 R923 R9.
MZ-NH1 30 30 MZ-NH1 6-9. SCHEMA TIC DIA GRAM – MAIN Section (6/9) – • See page 36 for IC Bloc k Diagrams. • See page 24 for Wavef orms. C 302 C208 C108 C207 C107 R313 C314 C316 C315 C313 C311 .
MZ-NH1 31 31 MZ-NH1 FB355 FB353 FB357 IC351 C353 D152 D252 FB354 BP351 C370 C352 FB351 FB151 FB251 C151 C251 R352 R251 R151 R355 R360 R254 R154 C351 R351 Q352 L152 L252 47 µ H 47 µ H C255 C155 C253 .
MZ-NH1 32 32 MZ-NH1 6-11. SCHEMA TIC DIA GRAM – MAIN Section (8/9) – • See page 36 for IC Bloc k Diagrams. • See page 24 for W aveform. BL892 BL891 BL894 R492 BP471 R891 R895 C891 C894 R892 R8.
MZ-NH1 33 33 MZ-NH1 IC804 L802 22 µ H C845 C822 C823 C849 Q801 Q802 C852 R859 R860 L801 C820 R839 C821 L870 10 µ H R826 R847 C809 R820 R817 R815 C861 R824 C839 C816 C856 C811 C835 R850 R802 FB801 R8.
MZ-NH1 34 34 MZ-NH1 S891 S893 L906 L907 D905 A K C304 C305 C353 R414 R421 R623 R612 R632 R843 R826 R605 C843 C817 R811 R823 R828 R834 R836 R845 R852 R837 R871 R892 R891 R805 R804 R806 R807 R825 R812 R.
MZ-NH1 35 35 MZ-NH1 R518 R512 R517 R519 C550 C545 C547 C528 C525 R502 R501 C574 C517 C516 C515 C511 C533 C531 R504 R503 C557 R526 R561 R883 R958 R952 R940 C927 R923 R922 C926 C954 R914 R908 R910 C901 .
MZ-NH1 36 36 MZ-NH1 • IC Block Dia grams IC301 AK5356VN-L CONTROL LOGIC 1 MODEB 2 BEEPIN 28 ENVG 27 ENREG 26 EN2 25 EN1 LEVEL SHIFTER 3 DIN2 LEVEL SHIFTER 4 DIN1 6 VSS LEVEL SHIFTER 5 OBEEP1 7 OUT1 .
37 MZ-NH1 IC501 SN761059ZQLR RF PEAK/ BOTTOM SERIAL INTERFACE ABCD 1 2 3 4 5 6 10 11 12 13 14 38 37 36 35 34 33 32 31 30 29 16 15 17 18 19 20 22 21 23 24 25 8 9 7 LX PS EQ AGND OFC-C1 OFC-C2 RF_LX RF_.
38 MZ-NH1 IC601 SC901585V AR2 IC602 R1160N121B-TR-F A 85 NC A12 86 HOLD OUT 87 RST OUT 88 PVBUS 1 NC_A1 2 DW 1B 3 DW 1T 4 VRECO 2 5 VRECO 1 L1 1 6 L1 2 7 INP1 8 UP 1T 9 UP 1B 10 GND 11 PGND1 13 VC 14 .
39 MZ-NH1 IC701 SC901583EPR2 IC871 R2061K01-E2 VI1 1 WI1 2 GNDW1 3 GNDUV1 7 WO1 4 VMU1 9 3PHASE CONTROL CH1 3PHASE PRE DRIVER CH1 UI1 56 PWM1 55 CPUO1 54 CPVO1 53 CPWO1 52 VG 51 VC VC VG VMVW1 5 VO1 6.
40 MZ-NH1 CS 1 WP 4 SO 2 NC NC 3 GND 5 INSTRUCTION REGISTER DATA REGISTER R/W AMPS & AUTO ERASE DECODER ADD BUFFERS VPP SW VPP GENERATOR VREF EEPROM 128K bit 16384 × 8 STATUS REGISTER 14 HOLD 13 .
41 MZ-NH1 IC901 SC901584EPR2 POWER SWITCH 2 SERIAL PASS REGULATOR 3 49 REGC2 50 REG2G 51 REGO2 52 REGI2 53 REGC1 54 REGO1 55 REGI1 22 INM1 21 RF1 58 DATA 59 STRB 60 CLK 61 WDT 62 SEQSEL 63 CLK 64 SLEE.
42 MZ-NH1 • IC Pin Function Description IC801 CXD2681-222GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR) Pin No. Pin Name I/O Description 1D VDD1_0 — Power supply terminal 2 DVSS1_0 — Ground te.
43 MZ-NH1 Pin No. Pin Name I/O Description 47 DAVDD — Power supply terminal (for D/A converter) 48 DVDD25LPF — Power supply terminal (for D/A converter) 49 DAVSS — Ground terminal (for D/A conve.
44 MZ-NH1 Pin No. Pin Name I/O Description 102 PCO O Phase comparison output terminal for the playback EFM system master PLL 103 FILI I Filter input terminal for the playback EFM system master PLL 104.
45 MZ-NH1 Pin No. Pin Name I/O Description 146 VREFL I Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH) 147 AOUTL O Built-in D/A converter L-CH signal output.
46 MZ-NH1 Pin No. Pin Name I/O Description 194 A7CAL_SW O A7 offset voltage CAL on/off control signal output terminal 195 SI0 I Serial data input from the EEPROM and real time clock IC 196 SO0 O Seria.
47 MZ-NH1 Pin No. Pin Name I/O Description 238 XRST_MTR _DRV O Reset signal output to the motor driver 239 XCS_NV O Chip select signal output to the EEPROM 240 CHG_PWM O Charge current or voltage cont.
48 MZ-NH1 Pin No. Pin Name I/O Description 288 SCS4 O Chip select signal output for ATRAC3 plus encoder communication Not used 289 HI_Z_SLD O Standby signal output terminal for the sled motor 290 HI_Z.
49 MZ-NH1 SECTION 7 EXPLODED VIEWS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 13 -264-157-01 KNOB (HOLD) (SIL VER) 13 -264-157-31 KNOB (HOLD) (GOLD) 23 -264-158-01 KNOB (OPEN) 33 -225-873-09 SCREW (M1.
50 MZ-NH1 7-2. MAIN SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 3-238-876-07 SCREW (M1.4), TOOTHED LOCK 52 X-2023-571-1 MAIN BOARD, COMPLETE (for SERVICE) (E18.
51 MZ-NH1 7-3. MECHANISM DECK SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 151 3-338-645-31 WASHER (0.8-2.5) 152 3-244-882-02 GEAR (SA) 153 3-248-370-01 SCREW , SELF T AP 154 3-225-996-17 SCREW (M1.
52 MZ-NH1 SECTION 8 ELECTRICAL P ARTS LIST Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark NO TE: • Due to standardization, replacements in the parts list may be different fr om the parts specified in the diagrams or the components used on the set.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 53 MZ-NH1 MAIN C401 1-125-777-11 CERAMIC CHIP 0.1uF 10% 10V C402 1-100-844-11 T ANT ALUM CHIP 22uF 20% 10V C403 1-100-844-11 T ANT ALUM CHIP 22uF 20% 10V C404 1-164-937-11 CERAMIC CHIP 0.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 54 MZ-NH1 MAIN C650 1-100-442-11 T ANT ALUM CHIP 10uF 20% 6.3V C651 1-100-353-11 CERAMIC CHIP 4.7uF 10% 16V C652 1-104-851-11 T ANT ALUM CHIP 10uF 20% 10V C653 1-104-851-11 T ANT ALUM CHIP 10uF 20% 10V C654 1-125-777-11 CERAMIC CHIP 0.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 55 MZ-NH1 MAIN C951 1-100-841-11 T ANT ALUM CHIP 100uF 20% 6.3V C952 1-100-841-11 T ANT ALUM CHIP 100uF 20% 6.3V C954 1-125-777-11 CERAMIC CHIP 0.1uF 10% 10V C955 1-100-844-11 T ANT ALUM CHIP 22uF 20% 10V C957 1-125-777-11 CERAMIC CHIP 0.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 56 MZ-NH1 MAIN < JACK > J301 1-815-950-12 JACK (LINE IN (OPT)) J302 1-818-135-11 JACK (MIC (PLUG IN POWER)) J351 1-816-1.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 57 MZ-NH1 MAIN R412 1-218-990-11 SHORT CHIP 0 R413 1-220-804-11 RES-CHIP 2.2M 5% 1/16W R414 1-208-943-11 MET AL CHIP 220K 0.5% 1/16W R415 1-218-957-11 RES-CHIP 2.2K 5% 1/16W R416 1-218-989-11 RES-CHIP 1M 5% 1/16W R417 1-218-957-11 RES-CHIP 2.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 58 MZ-NH1 MAIN The components identified by mark 0 or dotted line with mark 0 are critical for safety .
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 59 MZ-NH1 MISCELLANEOUS ************** 10 1-805-493-11 LCD MODULE 64 1-478-469-11 SWITCH UNIT 0 163 X-2021-779-1 SERVICE ASSY .
2 MZ-NH1 REVISION HIST OR Y Clicking the version allo ws you to jump to the re vised page. Also, clicking the version at the upper r ight on the revised page allo ws you to jump to the next re vised page. Ve r. Date Description of Revision 1.0 2004.07 Ne w 1.
デバイスSony MZ-NH1の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Sony MZ-NH1をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはSony MZ-NH1の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Sony MZ-NH1の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Sony MZ-NH1で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Sony MZ-NH1を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はSony MZ-NH1の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Sony MZ-NH1に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちSony MZ-NH1デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
