Sony NHF800 service manual Specifications, Model Name Using Similar Mechanism, On next

Page 1

MZ-NH700/NHF800

SERVICE MANUAL

US Model

MZ-NHF800

Ver 1.1 2004.09

Canadian Model

AEP Model

UK Model

E Model

Australian Model

MZ-NH700/NHF800

Chinese Model

Tourist Model

MZ-NH700

Photo: MZ-NHF800

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, MagicGate Memory Stick, Memory Stick, 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.

Model Name Using Similar Mechanism

NEW

 

 

MD Mechanism Type

MT-MZNH900-181

 

 

Optical Pick-up Name

ABX-U

 

 

SPECIFICATIONS

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 W

(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:

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

i2): stereo mini-jack (dedicated remote control jack)

Maximum output (DC)

Headphones:

5 mW + 5 mW (24 ) (USA model)

3 mW + 3 mW (16 ) (European models) 5 mW + 5 mW (16 ) (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

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)

(31/4 113/16 31/8 in.) (excluding projecting parts and controls)

Mass

Approx. 103 g (3.7 oz) (the recorder only)

Approx. 122 g (4.4 oz) (including the rechargeable battery)

1)The LINE IN (OPT) jack is used to connect either a digital (optical) cable or a line (analog) cable.

2)Measured in accordance with JEIAT.

– Continued on next page –

1-7RLL (Run Length Limited)/PRML (Partial Response Maximum Likelihood)

MD:

EFM (Eight to Fourteen Modulation)

PORTABLE MINIDISC RECEIVER

9-879-056-02

Sony Corporation

 

2004I05-1

Personal Audio Company

© 2004.09

Published by Sony Engineering Corporation

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Contents Model Name Using Similar Mechanism SpecificationsMD Mechanism Type MT-MZNH900-181 Optical Pick-up Name On nextMZ-NH700/NHF800 Flexible Circuit Board RepairingDisassembly Table of ContentsDiagrams GeneralUnleaded Solder Section Servicing NotesDisplay window MARK/REC +N button Jog dial Way control key Section GeneralDisassembly Flow DisassemblySection Main Board Case Lower SectionMechanism Deck Section MT-MZNH900-181, MD Standard PIN Case Upper SectionGear BSA, Gear SB SET Chassis AssyOP Service Assy Position of Ferrite Core Holder Assy00# Ver Test ModeOutline Manual 00#AdjF 0000OfsRun CD Run000 OPChkN1#### ####N2#### $$$$$$ ##Temp Electrical Adjustments131 ###S PwrAdjItemNo Display Specification value Measuring point PwrAdj adjustments211 AD VBsAdj VBsAdj adjustments261 AD Charge Function CheckDiscPr 111 ###S113 ###S Releasing The Test Mode Servo Overall AdjustmentResume Clear Block Diagram MD Servo Section Section DiagramsMIC Block Diagram Audio SectionCLK a Block Diagram Power Supply SectionLead layout of conventional IC Conductor Side Pattern face are indicated Parts face sideAbbreviation EE East European model 2FO Schematic Diagram Main /9 See page 36 for IC Block DiagramGND Schematic Diagram Main /9 See page 36 for IC Block DiagramsCSPChip Size Package CTL2ICHG XRST2 Mute 30 Sgnd Lrck Xbck Xcsadc Poenclosesw Schematic Diagram Main /9TOU NDG Semiconductor Location Printed Wiring Board Main /2Uses unleaded solder IC601 60 IC301 AK5356VN-L IC Block DiagramsIC601 SC901585VAR2 IC602 R1160N121B-TR-FA HN58X2564FPIEZ IC Pin Function Description DVDD25LPF DavddDavss OscvddFilo FiliCltv DvregoVrefr VreflDclsoutr DclsoutlSI0 AccessledSO0 SCK0Xcsnv DRVPWM GndswHizsld SCS4Hizspdl SETCODE3311 Section Exploded ViewsRef. No Description 2023-317-1 NH7002023-318-1 NHF800 US109 117 Chassis Section110 111 124 125Ref. No Description Remark 160 3-263-453-01 PLATE, Ratchet Mechanism Deck Section MT-MZNH900-181M702 M703Section Electrical Parts List Main 1uF 10% 10V C416 125-777-11 C415 125-777-111uF 10% 10V C419 125-777-11 1uF 10% 10V C420 125-777-111uF 10% C671 125-777-11 C669 125-837-111uF 10% 10V C672 127-820-11 7uF 10% 16V C673 125-777-11NNCD6.8H-T1 D303 8-719-056-54 Diode MAZS068008SOMA22D2800LS0 MA8056-L47uH L608 400-402-21 L607 419-881-117uH L701 216-295-00 L702 216-295-00R309 RES-CHIP 16W R310 R312 R314 218-990-11 R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11R315 218-990-11 R433 245-455-21R650 216-793-11 R649 245-456-21R652 218-990-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11Ref. No Description Remark R918 218-985-11 S894 SWITCH, Push 2 KEY470K 16W R920 218-985-11 470K 16W R922 218-977-11503 501 502504 506 504Revision History

NHF800 specifications

The Sony NHF800 is a remarkable addition to Sony's range of high-fidelity audio devices, designed to elevate the listening experience for audiophiles and casual listeners alike. Blending cutting-edge technology with user-friendly features, the NHF800 stands out as a versatile and powerful audio solution.

At the heart of the NHF800 is its advanced audio circuitry, which employs high-resolution audio technology. This ensures that music playback is not only accurate but also retains the depth and richness of the original recordings. Supporting various audio formats, including DSD, PCM, and even compressed formats, this device caters to diverse musical tastes while maintaining superior sound quality.

One of the standout features of the Sony NHF800 is its compatibility with both wired and wireless connections. With Bluetooth capabilities, users can stream music effortlessly from smartphones, tablets, or computers, while the high-resolution audio ensures that streamed content does not compromise on quality. Additionally, the device is equipped with Wi-Fi support, allowing for easy access to streaming services and internet radio, further broadening the audio horizons for users.

The NHF800 also boasts a built-in DAC (Digital-to-Analog Converter) that promotes enhanced audio performance. This DAC converts digital signals into analog with precision, resulting in a cleaner, more detailed sound output. The device supports a wide dynamic range, allowing listeners to experience their music as intended by the artists.

Moreover, the NHF800 features an intuitive user interface that simplifies navigation through music libraries and settings. The color display provides clear visuals, making it easy to browse albums, playlists, and streaming options. The device's ergonomic design ensures that it is not only visually appealing but also comfortable to use, whether at home or on the go.

Further enhancing the listening experience, the device incorporates noise-canceling technologies, allowing users to enjoy their music without external interruptions. This feature is particularly beneficial for users in noisy environments, such as public transport or busy urban settings.

In summary, the Sony NHF800 is a well-rounded high-fidelity audio device that merges advanced technology with usability. Its high-resolution audio capability, extensive connectivity options, and user-friendly design make it an excellent choice for anyone looking to elevate their listening experience. Whether at home or out and about, the NHF800 ensures that every note resonates with clarity and detail, making music come alive like never before.