Sony MZ-NHF800 Service Manual
Portable minidisc receiver
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Also See for MZ-NHF800:
- Operating instructions manual (132 pages) ,
- Specifications (2 pages) ,
- Release note (1 page)
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MZ-NH700 / NHF800
SERVICE MANUAL
Ver 1.1 2004.09
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
•
SonicStage and SonicStage logo are trademarks or registered trademarks of Sony Corporation.
•
MD Simple Burner, OpenMG,
Magic Gate
"
Hi-MD, Net MD, ATRAC, ATRAC3, ATRAC3plus and their logos are trademarks of
Sony Corporation.
•
Microsoft, Windows, Windows NT and Windows Media are trademarks or registered
trademarks of Microsoft Corporation in the United States and /or other countries.
•
IBM and PC/AT are registered trademarks of International Business Machines Corporation.
•
Macintosh is a trademark of Apple Computer, Inc. in the United States and/or other countries.
•
MMX and Pentium are trademarks or registered trademarks of Intel Corporation.
•
All other trademarks and registered trademarks are trademarks or registered trademarks of their
respective holders.
MD recorder
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: less than 44.6 µW
(This output is the value measured at a distance of 200 mm from the
lens surface on the optical pick-up block with 7 mm aperture.)
Recording and playback time
When using HMD1G (1GB disc):
Maximum 34 hours in Hi-LP stereo
When using MDW-80 in Hi-MD mode:
Maximum 10 hours and 10 min. in Hi-LP stereo
When using MDW-80 in MD mode:
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
350 rpm to 3,000 rpm (CLV)
Error correction
Hi-MD:
LDC (Long Distance Code)/BIS (Burst Indicator Subcode)
MD:
ACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Hi-MD:
ATRAC3plus (Adaptive TRansform Acoustic Coding 3 plus)
MD:
ATRAC
ATRAC3 −− LP2/LP4
Modulation system
Hi-MD:
1-7RLL (Run Length Limited)/PRML
(Partial Response Maximum Likelihood)
MD:
EFM (Eight to Fourteen Modulation)
Sony Corporation
9-879-056-02
Personal Audio Company
2004I05-1
Published by Sony Engineering Corporation
© 2004.09
Photo: MZ-NHF800
,
MagicGate Memory Stick
,
Memory Stick
"
"
"
"
SPECIFICATIONS
Frequency response
20 to 20,000 Hz ± 3 dB
Inputs
MIC: stereo mini-jack
(minimum input level 0.13 mV)
LINE IN (OPT)
1)
:
stereo mini-jack for analog input (minimum input level 49 mV)
optical (digital) mini-jack for optical (digital) input
Outputs
i
2)
: stereo mini-jack (dedicated remote control jack)
Maximum output (DC)
Headphones:
5 mW + 5 mW (24 Ω) (USA model)
3 mW + 3 mW (16 Ω) (European models)
5 mW + 5 mW (16 Ω) (Other models)
Radio (MZ-NHF800)
Frequency range
USA model:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz (10 kHz step)
531 - 1,710 kHz (9 kHz step)
TV: 2 - 13 CH
WEATHER: 1 - 7 CH
Canadian model:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz (10 kHz step)
531 - 1,710 kHz (9 kHz step)
Models for Europe and China:
FM: 87.5 - 108.0 MHz
AM: 531 - 1,602 kHz
Other models:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Name
,
"
Antenna
FM/TV/WEATHER:
Headphones/earphones cord antenna
AM:
Built-in ferrite bar antenna
General
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3V jack:
120 V AC, 60 Hz (Models for USA, Canada, Mexico, and Taiwan)
230 V AC, 50/60 Hz (Models for continental Europe and Chile)
240 V AC, 50 Hz (Model for Australia)
230 V AC, 50 Hz (Models for U.K. and Hong Kong)
115 V/230 V AC, 50/60 Hz (Other models in MZ-NHF800)
100 - 240 V AC, 50/60 Hz (Other models in MZ-NH700)
The recorder:
Nickel metal hydride rechargeable battery
NH-7WMAA 1.2V 700 mAh (MIN) Ni-MH
LR6 (size AA) alkaline battery
AC power adaptor DC 3V
Operating temperature
+5° C (+41° F) to +35° C (+95° F)
Dimensions
Approx. 81.0 × 29.2 × 78.9 mm (w/h/d)
× 1
(3
1
/
4
Mass
Approx. 103 g (3.7 oz) (the recorder only)
Approx. 122 g (4.4 oz) (including the rechargeable battery)
1)
The LINE
(optical) cable or a line (analog) cable.
2)
Measured in accordance with JEIAT.
PORTABLE MINIDISC RECEIVER
US Model
MZ-NHF800
Canadian Model
AEP Model
UK Model
E Model
Australian Model
MZ-NH700/NHF800
Chinese Model
Tourist Model
MZ-NH700
NEW
MT-MZNH900-181
ABX-U
× 3
13
/
1
/
in.) (excluding projecting parts and controls)
16
8
IN (OPT) jack is used to connect either a digital
– Continued on next page –
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Table of Contents
Related Manuals for Sony MZ-NHF800
Summary of Contents for Sony MZ-NHF800
-
Page 1: Service Manual
US and foreign patents licensed from Dolby Laboratories Licensing Corporation. MD Mechanism Type MT-MZNH900-181 Optical Pick-up Name ABX-U • SonicStage and SonicStage logo are trademarks or registered trademarks of Sony Corporation. • MD Simple Burner, OpenMG, Magic Gate MagicGate Memory Stick Memory Stick “... - Page 2 THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS IN SUPPLEMENTS PUBLISHED BY SONY.
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Page 3: Table Of Contents
MZ-NH700/NHF800 Ver 1.1 TABLE OF CONTENTS SERVICING NOTES ..........4 GENERAL Location of Controls ............5 DISASSEMBLY 3-1. Disassembly Flow ............6 3-2. Case (Lower) Section ............7 3-3. MAIN Board ..............7 3-4. Case (Upper) Section ............8 3-5. Mechanism Deck Section (MT-MZNH900-181), MD Standard Pin ............. -
Page 4: Servicing Notes
MZ-NH700/NHF800 SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK-UP Providing the required system environment BLOCK OR BASE UNIT System requirements The laser diode in the optical pick-up block may suffer electrostatic The following system environment is required in order to use the SonicStage/MD Simple break-down because of the potential difference generated by the Burner software for the MD Walkman. -
Page 5: General Location Of Controls
> of the next track, fast forward O i (headphones/earphones) jack The display window of the remote control (MZ-NHF800) Press towards volume VOL + VOL −. There are tactile dots beside the VOL + buttons. -
Page 6: Disassembly
MZ-NH700/NHF800 Ver 1.1 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Note 1: The process described in can be performed in any order. Note 2: Without completing the process described in , the next process can not be performed. -
Page 7: Case (Lower) Section
MZ-NH700/NHF800 3-2. CASE (LOWER) SECTION 1 two screws (M1.4) 1 two screws (M1.4) 2 Remove the case (lower) section in the direction of the arrow. 3-3. MAIN BOARD 2 LCD module flexible board (CN471) 3 motor flexible board (CN701) 6 OP flexible board (CN501) 1 Remove two solders of over write head flexible board. -
Page 8: Case (Upper) Section
MZ-NH700/NHF800 3-4. CASE (UPPER) SECTION 1 LCD module flexible boaed (CN471) 7 case (upper) section 6 boss 3 herical torsion spring (L) 4 two step screws 2 Open the case (upper) section. 3-5. MECHANISM DECK SECTION (MT-MZNH900-181), MD STANDARD PIN 1 two step screws (MD) 2 mechanism deck section (MT-MZNH900-181) -
Page 9: Set Chassis Assy
MZ-NH700/NHF800 3-6. SET CHASSIS ASSY 5 two screws 1 torsion coil spring (R) 2 extension spring (R) 7 set chassis assy 6 battery case 3 compression coil spring (open) 4 open slider 3-7. GEAR (BSA), GEAR (SB) 1 self tap screw 2 thrust retainer spring 3 washer (0.8-2.5) 4 gear (BSA) -
Page 10: Op Service Assy
MZ-NH700/NHF800 3-8. OP SERVICE ASSY 1 Lead screw block assy is turned and it removes from OP service assy. 2 OP service assy 3-9. DC MOTOR SSM18D/C-NP (SPINDLE) (M701), DC MOTOR (SLED) (M702), DC MOTOR UNIT (OVER WRITE HEAD UP/DOWN) (M703) 3 two screws (M1.4) 4 DC motor (sled) (M702) -
Page 11: Holder Assy
MZ-NH700/NHF800 Ver 1.1 3-10. HOLDER ASSY 4 Remove the holder assy to the direction of the arrow A . 2 boss 3 Open the holder assy. 1 boss 3-11. POSITION OF FERRITE CORE -REMOTE CONTROL UNIT- A cable is rolled once. (RM-MC21, RM-MC40ELK) Remote control unit (RM-MC21, RM-MC39LT, RM-MC40ELK) -
Page 12: Test Mode
PC normally. 7. Click the [Enter TestMode] button on the screen of application “00#”: Model type 005 (MZ-NH700) 8. Disconnect the USB cable, when “OK” message is displayed 004 (MZ-NHF800) on the application screen. “*.***”: Microcomputer version 9. Remove the battery. - Page 13 MZ-NH700/NHF800 Ver 1.1 4. CONFIGURATION OF THE TEST MODE 5. MANUAL MODE This is mode to adjust or check the operation of the set by function. Flow of the test mode: Operation of The Manual Mode Display Check Mode 1. Enter the test mode (Display Check mode). Version display →...
- Page 14 MZ-NH700/NHF800 Ver 1.1 6. OVERALL ADJUSTMENT MODE 6-2. Error Message in The Overall Adjustment Mode 6-1. Operation of The Overall Adjustment Mode In the Overall Adjustment mode, if an error occurred, it displays as 1. Enter the test mode (Display Check mode). following table.
- Page 15 High temperature detected jog test is OK. Focus error (no change) *2) [RADIO ON/OFF] key (MZ-NHF800) is not included in this check. Abnormal rotation of disc 4. When all keys check are OK both the main unit and the remote...
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Page 16: Electrical Adjustments
MZ-NH700/NHF800 Ver 1.1 SECTION 5 ELECTRICAL ADJUSTMENTS 1. PRECAUTIONS FOR ADJUSTMENT 3-3. Setting The Temperature Correction Value 1. Adjustment must be done in the test mode only. After adjusting, Procedure: 1. In the test mode (Display Check mode), press the [VOL+] key release the test mode. - Page 17 MZ-NH700/NHF800 Ver 1.1 3-4-2. PwrAdj adjustments ItemNo. Display Specification value Measuring point Repeat the following procedures and adjust all contents of “table 3- 211 AD ** 2211 2.05 V + 0.02 V CL8027 4-1. PwrAdj Specifications”. 2.25 V ± 0.01 V 212 AD ** 2212 CL8027...
- Page 18 MZ-NH700/NHF800 Ver 1.1 3-4-3. VBsAdj adjustments 3-5. Charge Function Check Procedure: Note: When perform this check, don’t apply a voltage to battery terminals. 1. In the “3-4-2. PwrAdj Adjustments” completed status, press Procedure: key to display as follows. > 1. Connect the digital voltmeter to CL431 (BATT+) and CL433 (GND).
- Page 19 4. Press the key to write the adjusted value. and therefore use the parameters of the disc used when performing the adjustment. Model Type Destination MZ-NH700 MZ-NHF800 Item No. Calculating formula (*3) − 0211 Pr_nominal / 0.05 Canadian, Australian (*1) Por / 0.05...
- Page 20 MZ-NH700/NHF800 Ver 1.1 3-8. Servo Overall Adjustment Note1: Be sure to adjustment so that the set is horizontal and the LCD is upside. Unless performed in that state, it is not adjusted correctly. Note2: If NG is displayed in the middle of this adjustments, perform “3-2. Initialize The Adjustment Value”...
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Page 21: Diagrams
MZ-NH700/NHF800 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – MD SERVO Section – OVER WRITE HEAD DRIVE IC601 (1/2) HR601 (Page 23) OVER WRITE OVER 69 HBB HEAD DRIVE WRITE 78 HA Q601, 602 HEAD 70 HAB EFM_CLK LATCH M703 OUTA RF AMP, FOCUS/TRACKING ERROR AMP OVER WRITE IC501... -
Page 22: Block Diagram -Audio Section
MZ-NH700/NHF800 6-2. BLOCK DIAGRAM – AUDIO Section – REFERENCE VOLTAGE SWITCHING HEADPHONE Q351 IC352 • SIGNAL PATH VREF_IN : PLAYBACK AOUTL OUTA : OPTICAL IN J352 FROM IC801 (1/3) BEEP_OUTA : LINE IN (MD SERVO SECTION) AOUTR : USB input from PC OUTB J301 : USB output to PC... -
Page 23: Block Diagram -Power Supply Section
MZ-NH700/NHF800 6-3. BLOCK DIAGRAM – POWER SUPPLY Section – SDO0 SCK0 SDO0 (Page 21) DATA CLK 63 SCK0 (Page 22) XWK1, XWK2, XWK4 (Page 22) XWK4 2 SLEEP XWK2 4 STRB XRST2 XRST2 WAKE UP SWITCH XWK1 XRST1 Q902 (Page 22) RESET SIGNAL VSTB VCO2... - Page 24 MZ-NH700/NHF800 • Note For Printed Wiring Boards and Schematic Diagrams • Waveforms Note on Printed Wiring Board: Note on Schematic Diagram: IC501 8 (RFO) IC301 8 (BCLK) • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) •...
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Page 25: Schematic Diagram -Main Section (1/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagram. 6-4. SCHEMATIC DIAGRAM – MAIN Section (1/9) – (1/9) XRST_MTR_DRV XRST_MTR_DRV SLD_CON_W C714 SLD_CON_W SLD_CON_V SLD_CON_V SLD_CON_U SLD_CON_U SLD_PWM L701 L702 SLD_PWM SLD_MON_U SLD_MON_U SLD_MON_V SLD_MON_V SLD_MON_W SLD_MON_W SLD_CON_W R706 2.2k R707 2.2k R708... -
Page 26: Schematic Diagram -Main Section (2/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagrams. 6-5. SCHEMATIC DIAGRAM – MAIN Section (2/9) – (2/9) XCS_REC_DRV SUSPEND C673 SUSPEND REG_DACVREFH USB_HOLD USB_HOLD RECP RECP C668 EFM_CLK D610 EFM_CLK MA2Z748001S0 C669 C643 VOLTAGE DETECT XCS_REC_DRV IC606 +1.2V REGULATOR XCS_REC_DRV XC61CN1702NR VBUS_DET... -
Page 27: Schematic Diagram -Main Section (3/9)
MZ-NH700/NHF800 • See page 24 for Waveforms. • See page 36 for IC Block Diagram. 6-6. SCHEMATIC DIAGRAM – MAIN Section (3/9) – (Page 25) (3/9) C553 C554 6.3V C523 C524 C530 (Page 26) 0.01 R505 +3V REGULATOR L503 IC502 C561 10µH R1180Q301B... -
Page 28: Schematic Diagram -Main Section (4/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagram. 6-7. SCHEMATIC DIAGRAM – MAIN Section (4/9) – (4/9) (Page 32) Q451 RTQ035P02TR TERRA_V (Page 26) MINUS_MON GND_SW C453 VBUS_MON 0.047 Q451,452 VOLTAGE LIMITER CHG_TYPE2 R467 R463 R464 Q407 CHG_TYPE2 100k UN9214J-(TX).SO CHG_I_CTL3 CHG_I_CTL3... -
Page 29: Schematic Diagram -Main Section (5/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagram. 6-8. SCHEMATIC DIAGRAM – MAIN Section (5/9) – (Page 26) (5/9) (Page 27) L903 10µH C927 C915 100p L9001 6.3V 10µH C922 C923 C958 C928 C929 R954 R955 100p 1000p 470k 2.2k 6.3V 6.3V... -
Page 30: Schematic Diagram -Main Section (6/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagram. 6-9. SCHEMATIC DIAGRAM – MAIN Section (6/9) – (Page 26) (6/8) C354 R352 220k Q353 SI1410EDH-T1 R356 100k Q351 2SC4738F-Y/GR (TPL3) REFERENCE AOUTL AOUTL VOLTAGE SWITCH AOUTR C351 R353 AOUTR XHP_STBY XHP_STBY MUTE Q352,353... -
Page 31: Schematic Diagram -Main Section (7/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagram. 6-10. SCHEMATIC DIAGRAM – MAIN Section (7/9) – (7/9) R478 4.7k R476 R477 4.7k 4.7k CN471 R486 DVDD R471 JOG_B XRST2 JOG_B R472 JOG_A JOG_A SET_KEY_2 SET_KEY_2 SET_KEY_1 SET_KEY_1 R473 REC_KEY T_MARK XCS_LCD D471... -
Page 32: Schematic Diagram -Main Section (8/9)
MZ-NH700/NHF800 Ver 1.1 • See page 40 for IC Pin Function Description. • See page 24 for Waveforms. 6-11. SCHEMATIC DIAGRAM – MAIN Section (8/9) – (8/9) C861 POEN_CLOSE_SW WK_DET (Page 31) R868 R876 SDO0 SDO0 SCK0 Q803 SCK0 2SC4738F-Y/GR OPT_DET (TPL3) R880... -
Page 33: Schematic Diagram -Main Section (9/9)
MZ-NH700/NHF800 • See page 36 for IC Block Diagrams. • See page 24 for Waveforms. 6-12. SCHEMATIC DIAGRAM – MAIN Section (9/9) – (9/9) D302 MAZS068008SO +1.2V REGULATOR R308 IC302 Q301 XC6219B212MR 2SA2018TL C327 R304 B+ SWITCH 100k R301 C303 D301 C320 XOPT_CTL... -
Page 34: Printed Wiring Board -Main Section (1/2)
MZ-NH700/NHF800 6-13. PRINTED WIRING BOARD – MAIN Section (1/2) – : Uses unleaded solder. • Semiconductor Location Ref. No. Location D151 D301 D304 D436 D439 S894-1 D440 S894 PROTECT D457 DETECT D458 S894-2 D473 Hi-MD PROTECT D605 DETECT D606 D607 D608 D614 CN451... -
Page 35: Printed Wiring Board -Main Section (2/2)
MZ-NH700/NHF800 6-14. PRINTED WIRING BOARD – MAIN Section (2/2) – : Uses unleaded solder. • Semiconductor Location Ref. No. Location D251 D302 MAIN BOARD (CONDUCTOR SIDE) D303 D352 D401 D435 D441 D-10 S892 M702 (HALF LOCK) D471 (SLED) D601 D602 D603 M703 D604... - Page 36 MZ-NH700/NHF800 • IC Block Diagrams C352 TA2131FLG (EL) IC301 AK5356VN-L BEEP V REF VREF LPF1 MICR 22 MT TC RESET VCC1 MVDD 23 BST NF1 CONTROL BST1 MVSS 24 REGISTER CCLK INTERFACE CDTI MVCM VCOM LPF2 MRF 26 MIC POWER SUPPLY LRCK MPWR 27...
- Page 37 MZ-NH700/NHF800 IC601 SC901585VAR2 CHARGE PUMP NC A12 56 LATCH EFM BOTTOM LVDT WAKE 55 XWKO PRE DRIVER HOLD OUT CONTROL HOLD VBUS 54 VBUS LOGIC EFM TOP RST OUT BUFFER PRE DRIVER 53 WAKEC PVBUS PVBUS VBUS 52 V33UO CRST LVDT 51 VBUS DET DVDD IN...
- Page 38 MZ-NH700/NHF800 IC602 R1160N121B-TR-FA REGULATOR VOUT CURRENT LIMIT IC701 BD6607KN 62 61 48 WI2 DECODER STANDBY DECODER PRE DRIVE PRE DRIVE PGNDW1 47 PGNDW2 46 WO2 45 ST2 VMVW1 44 VMVW2 43 VO2 42 VO2 PGNDUV1 41 PGNDUV2 40 UO2 39 UO2 38 VMU2 VMU1 VMR1...
- Page 39 MZ-NH700/NHF800 IC892 HN58X2564FPIEZ HIGH VOLTAGE GENERATOR MEMORY ARRAY XHOLD CONTROL LOGIC Y SELECT & SENSE AMP SERIAL-PARALLEL CONVERTER IC901 SC901584EPR2 36 35 RESET 2 SERIAL RST2 PASS POWER STEP REGULATOR 3 SWITCH 2 UP-DOWN REGC2 DRIVER RST2 MUTING REG2G VREF REF2 SERIAL BUFFER...
- Page 40 MZ-NH700/NHF800 Ver 1.1 • IC Pin Function Description IC801 CXD2681-223GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR) Pin No. Pin Name Description DVDD1_0 — Power supply terminal DVSS1_0 — Ground terminal DVDD1_1 — Power supply terminal DVSS1_1 — Ground terminal DVDD1_2 — Power supply terminal DVSS1_2 —...
- Page 41 MZ-NH700/NHF800 Pin No. Pin Name Description DAVDD — Power supply terminal (for D/A converter) DVDD25LPF — Power supply terminal (for D/A converter) DAVSS — Ground terminal (for D/A converter) OSCVDD — Power supply terminal (for 22 MHz OSC) USBOSCVDD — Power supply terminal (for the USB 48 MHz OSC) TSMVDD —...
- Page 42 MZ-NH700/NHF800 Pin No. Pin Name Description Phase comparison output terminal for the playback EFM system master PLL FILI Filter input terminal for the playback EFM system master PLL FILO Filter output terminal for the playback EFM system master PLL CLTV Internal VCO control voltage input terminal for the playback EFM system master PLL PEAK Peak hold signal input of the light amount signal (RF/ABCD) the RF amplifier...
- Page 43 MZ-NH700/NHF800 Pin No. Pin Name Description VREFL Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH) AOUTL Built-in D/A converter L-CH signal output AOUTR Built-in D/A converter R-CH signal output VREFR Reference voltage terminal connected to the capacitor (for the built-in D/A converter R-CH) DCLSOUTR PWM modulator signal output for the class-D headphone amplifier Not used DCLSOUTL...
- Page 44 MZ-NH700/NHF800 Pin No. Pin Name Description Serial data input from the EEPROM Serial data output to the EEPROM, A/D converter and controllers SCK0 Serial clock output to the EEPROM, A/D converter and controllers XGUM_ON Rechargeable battery detection signal input terminal Not used BEEP Beep sound control signal output to the headphone amplifier XOPT_CTL...
- Page 45 MZ-NH700/NHF800 Pin No. Pin Name Description XRST_MTR Reset signal output to the motor driver _DRV XCS_NV Chip select signal output to the EEPROM CHG_PWM Charge current or voltage control signal output terminal IAMP_CAL Offset signal output of current sense amplifier Not used —...
- Page 46 MZ-NH700/NHF800 Pin No. Pin Name Description SCS4 Chip select signal output for ATRAC3 plus encoder communication Not used HI_Z_SLD Standby signal output terminal for the sled motor HI_Z_SPDL Standby signal output terminal for the spindle motor 291 to SET_CODE0 to Setting terminal for the destination SET_CODE3 D_EN1...
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Page 47: Exploded Views
MZ-NH700/NHF800 SECTION 7 EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service. -
Page 48: Case (Upper) Section
MZ-NH700/NHF800 7-2. CASE (UPPER) SECTION not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2023-315-1 CASE (UPPER) (S) SUB ASSY (for SILVER) 3-264-154-01 BADGE (HI-MD) (NH700) 3-266-189-01 OPEN LOCKER X-2023-316-1 CASE (UPPER) (L) SUB ASSY (for BLUE) 3-254-014-01 SCREW (NH700) 3-266-190-01 BUTTON (CONTROL) (NAVI/−MENU. -
Page 49: Chassis Section
MZ-NH700/NHF800 7-3. CHASSIS SECTION mechanism deck section MAIN board Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-266-202-01 SPRING (OPEN), COMPRESSION COIL X-2023-420-1 MAIN BOARD, COMPLETE (for SERVICE) 3-266-197-01 OPEN SLIDER (NHF800: E15, HK) 3-266-196-01 CASE, BATTERY X-2023-421-1 MAIN BOARD, COMPLETE (for SERVICE) 3-266-194-01 MD STANDARD PIN (NHF800: AEP, UK, EE) -
Page 50: Mechanism Deck Section (Mt-Mznh900-181)
MZ-NH700/NHF800 7-4. MECHANISM DECK SECTION (MT-MZNH900-181) not supplied HR601 (over write head) M702 M703 (including HR601 (over write head) ) M701 The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety. -
Page 51: Electrical Parts List
MZ-NH700/NHF800 SECTION 8 ELECTRICAL PARTS LIST MAIN NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the The components identified by mark 0 or dotted line with mark 0 are parts list may be different from the parts are seldom required for routine service. - Page 52 MZ-NH700/NHF800 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C415 1-125-777-11 CERAMIC CHIP 0.1uF C555 1-164-941-11 CERAMIC CHIP 0.0047uF 10% C416 1-125-777-11 CERAMIC CHIP 0.1uF C556 1-135-210-11 TANTALUM CHIP 4.7uF C419 1-125-777-11 CERAMIC CHIP 0.1uF C420 1-125-777-11 CERAMIC CHIP 0.1uF...
- Page 53 MZ-NH700/NHF800 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C669 1-125-837-11 CERAMIC CHIP 6.3V C857 1-164-858-11 CERAMIC CHIP 22PF C671 1-125-777-11 CERAMIC CHIP 0.1uF C858 1-125-777-11 CERAMIC CHIP 0.1uF C672 1-127-820-11 CERAMIC CHIP 4.7uF C673 1-125-777-11 CERAMIC CHIP 0.1uF C859...
- Page 54 MZ-NH700/NHF800 Ver 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D303 8-719-056-54 DIODE MAZS068008SO FB452 1-469-869-21 INDUCTOR (EMI FERRITE) (2012) FB471 1-216-864-11 SHORT CHIP D304 8-719-056-54 DIODE MAZS068008SO FB501 1-400-620-21 INDUCTOR, FERRITE BEAD (1005) D352 6-500-116-01 DIODE NNCD6.8H-T1 D401...
- Page 55 MZ-NH700/NHF800 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L607 1-419-881-11 INDUCTOR 47uH Q883 8-729-037-75 TRANSISTOR UN9214J-(TX).SO L608 1-400-402-21 INDUCTOR 4.7uH Q884 8-729-030-46 TRANSISTOR XP4314-TX Q885 6-550-353-01 FET SI1410EDH-T1 L701 1-216-295-00 SHORT CHIP Q886 8-729-030-46 TRANSISTOR XP4314-TX L702 1-216-295-00 SHORT CHIP...
- Page 56 MZ-NH700/NHF800 Ver 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R485 1-218-985-11 RES-CHIP 470K 1/16W R305 1-218-941-11 RES-CHIP 1/16W R486 1-218-990-11 SHORT CHIP R306 1-218-965-11 RES-CHIP 1/16W R489 1-218-941-11 RES-CHIP 1/16W R307 1-218-941-11 RES-CHIP 1/16W R308 1-216-864-11 SHORT CHIP...
- Page 57 MZ-NH700/NHF800 Ver 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R826 1-218-990-11 SHORT CHIP R649 1-245-456-21 METAL CHIP 1/5W R827 1-218-941-11 RES-CHIP 1/16W R650 1-216-793-11 METAL CHIP 1/10W R829 1-218-990-11 SHORT CHIP 0 (NHF800) R652 1-218-990-11 SHORT CHIP R653...
- Page 58 MZ-NH700/NHF800 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES R918 1-218-985-11 RES-CHIP 470K 1/16W ************ R920 1-218-985-11 RES-CHIP 470K 1/16W R922 1-218-977-11 RES-CHIP 100K 1/16W 1-543-793-41 FILTER, CLAMP (FERRITE CORE) R924 1-218-985-11 RES-CHIP 470K 1/16W (for Optional Stereo Microphone) R925...
- Page 59 MZ-NH700/NHF800 Ver 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-266-529-71 MANUAL, INSTRUCTION (DUTCH) 0 508 1-478-373-11 ADAPTOR, AC (AC-ET307K) (NHF800: UK, HK) 0 508 (NHF800: AEP) 1-478-374-11 ADAPTOR, AC (AC-ET307K) (NHF800: AUS) 3-266-529-81 MANUAL, INSTRUCTION (SWEDISH) (NHF800: AEP) 0 508 1-478-377-11 ADAPTOR, AC (AC-ET307K) (NHF800: E15)
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Page 60: Revision History
MZ-NH700/NHF800 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004.07 2004.09 Change of all contents Test Mode and Electrical Adjustments...