MZ-NH700/NHF800

Note For Printed Wiring Boards and Schematic Diagrams

Note on Printed Wiring Board:

X : parts extracted from the component side.

Y : parts extracted from the conductor side.

: Pattern from the side which enables seeing. (The other layers' patterns are not indicated.)

Caution:

 

Pattern face side:

Parts on the pattern face side seen from

(Conductor Side)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Component Side)

the parts face are indicated.

MAIN board is multi-layer printed board.

However, the patterns of intermediate-layer have not been in- cluded in this diagrams.

Lead Layouts

surface

Lead layout of conventional IC

CSP (chip size package)

MZ-NH700/NHF800

Note on Schematic Diagram:

All capacitors are in F unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums.

All resistors are in and 1/4 W or less unless otherwise specified.

f : internal component.

C : panel designation.

Note:

Note:

The components identi-

Les composants identifiés par

fied by mark 0 or dotted

une marque 0 sont critiques

line with mark 0 are criti-

pour la sécurité.

cal for safety.

Ne les remplacer que par une

Replace only with part

pièce portant le numéro

number specified.

spécifié.

 

 

A : B+ Line.

Total current is measured with MD installed.

Power voltage is dc 1.5 V and fed with regulated dc power supply from battery terminal.

Voltages and waveforms are dc with respect to ground in playback mode.

no mark : PLAYBACK

: Impossible to measure

Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances.

Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc- tion tolerances.

Circled numbers refer to waveforms.

Signal path.

E : PLAYBACK

j : REC

J : OPTICAL IN

F : LINE IN

d : USB input from PC

G : USB output to PC

N : MIC IN

Abbreviation

EE : East European model

 

Waveforms

 

 

1

IC501 8 (RFO)

7 IC301 8 (BCLK)

 

 

(MD Play Mode)

 

 

 

 

2.2 Vp-p

 

 

1.0 Vp-p

 

 

 

 

354 ns

 

 

500 mV/DIV, 500 ns/DIV

1 V/DIV, 100 ns/DIV

 

2

IC501 ra (FE)

8 IC301 9 (MCLK)

 

 

(MD Play Mode)

 

 

 

Approx.

2.5 Vp-p

 

 

 

 

 

280 mVp-p

88 ns

 

 

 

 

 

100 mV/DIV, 500 ns/DIV

1 V/DIV, 50 ns/DIV

 

3

IC501 rs (TE)

9 IC301 q; (LRCK)

 

 

(MD Play Mode)

 

 

 

Approx.

2.3 Vp-p

 

 

 

 

 

100 mVp-p

22.8 s

 

 

 

 

 

200 mV/DIV, 500 ns/DIV

1 V/DIV, 10 s/DIV

 

4 IC801 <zb, (FS4)

 

 

 

2.6 Vp-p

 

 

 

88 ns

 

 

 

1 mV/DIV, 50 ns/DIV

 

 

5 IC801 <zmv (FS256_OUT)

 

 

 

2.3 Vp-p

 

 

 

5.7 s

 

 

 

1 mV/DIV, 2 s/DIV

 

 

6 IC801 <czz (OSCO)

 

 

 

2.6 Vp-p

 

 

 

44 ns

 

 

 

1 V/DIV, 20 ns/DIV

 

24

24

 

 

Page 24
Image 24
Sony NHF800 service manual Conductor Side Pattern face are indicated Parts face side, Lead layout of conventional IC

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.