6-6. SCHEMATIC DIAGRAM – MAIN Section (3/9) – See page 24 for Waveforms. See page 36 for IC Block Diagram.

B1

B2

(3/9)

(Page 25)

 

 

1.0

 

C523

C524

C528

C530

0.1

0.01

 

1

0TE

E0F

DCB A

FER V

FR TSRX

ATA DB SS

KLC BSS

R505

B3

C553

C554

4.7

0.1

6.3V

 

MZ-NH700/NHF800

C3

C1

C2

(Page 26)

S0

 

 

+3V REGULATOR

C561

 

IC502

 

R1180Q301B

1

 

 

 

 

 

 

VOUT

GND

 

 

VDD

CE

 

 

 

R561

 

 

 

220k

L501

 

 

 

0

 

 

 

 

R507

C568

 

LC_DRV2

2.2k

0.01

 

 

 

 

C562

1

C513

0.01

C519

0.1

OFTRK

R525

 

R526

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NPPO

TE

FE

DABC

INIP DA

CV

IGC

DN GD

ESETRX

INVG

SSBU

KSC

UTOCP

CP

CCVD

CN

AVCC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPGND

OFTRK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLK

L503

10H

C536

0.022

11

C537 C539

A_FS256

C545 0.1

S0

S1

S1

XLDON

XLDON

PLSE_XDC

PLSE_XDC

LC_DRV1

LC_DRV1

LC_DRV2

LC_DRV2

PEAK

PEAK

BOTM

BOTM

OFTRK

OFTRK

TE

TE

FE

FE

ABCD

ABCD

VREF

VREF

XRST_RF

XRST_RF

SSB_DATA

 

 

LC_DRV1

 

 

 

CN501

 

R508

C569

 

26P

 

 

 

2.2k

0.01

 

TRK+

 

TRK+

R503

R504

 

 

 

 

100k

100k

 

BOTM

PEAK

TON_C

 

CCSL2

BOTM

 

CDN

PEAK

RF AMP,

ADFG

 

 

D

FOCUS/TRACKING ERROR AMP

VPP_LPF

C547 0.047

ADIP

C550 0.047

SSB_CLK

ADIP

S_MON

SSB_DATA(Page 32)

SSB_CLK

ADIP

S_MON

FCS-

 

 

S

FCS-

 

 

FCS+

 

 

-2

FCS+

 

 

TRK-

R521

 

-1

TRK-

 

 

0

 

S

 

Q501

L1

 

 

 

 

MCH6604

 

 

 

 

L2

 

SWITCHING

 

FB501 XLDON

R522

 

 

CONT

 

 

0

 

 

PLSE_XDC

 

FB502

 

 

PLSE_XDC

 

 

 

 

0

 

 

 

PVCC

 

C570

 

IIN

 

C573

 

4.7

 

1000p

 

 

10V

 

 

 

LDK

 

MDVCC

 

GND

 

F

 

VREF

L507

10H

 

VCC

S1

S1

 

A

 

 

 

 

IC501

 

 

 

 

SMON

 

 

 

SN761059ZQLR

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

*

 

 

 

 

PD_BUF

C

CSP(Chip Size Package)

PD_NI

AVCC

 

 

 

 

 

 

 

 

 

PD_I

JX

 

 

 

 

 

 

 

 

PDO_SOURCE

JY

 

 

 

 

 

 

 

 

 

PDO_SINK

IY

 

 

NDGA

1C 2C OFC FC O

0F1 FO 09EF VRE R VR

IXF R

IYRF

JYRF

JXF R

A_C

IX

PS

EQ

CD

10p

 

10p

 

C525

 

 

 

 

 

 

C521

 

C522

 

4700p

 

 

 

 

 

C531

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

 

 

S_MON

C552 0.01

APCREF_DA

C538

1000p

C533

0.01

APCREF_DA

APCREF_DA

VC

VC

RFI

RFI

MDVCC_CTL

MDVCC_CTL

A_FS256

A_FS256

VIN

VIN

REG03

JY

JX

IY

IX

A

B

C

D

S0

S0

R501 R502

2.2k 1k

FB503

0

C558

1000p

1.0

1.0

1.0

1.0

C511

C515

C516

C517

Q502

2SA2018TLR514 47k

Q502,503

R513

R515

B+ SWITCH

10k

10k

 

 

Q503

2SC4738F-Y/GR

(TPL3)

R516

C560

C564

4.7

47k

0.1

6.3V

 

 

C527

0.1

L505

10H

R517

10k

C559 R512

4700p 0

Q504

2SC4627J-C

(TX).SO

RF BUFFER

R518R519

47k1k

VC

 

 

 

 

 

L502

 

 

 

 

 

10H

 

C529

 

 

C518

C520

 

 

 

4.7

 

0.1

 

 

0.1

 

 

 

6.3V

 

 

 

 

 

 

 

 

C557

C556

L504

 

 

 

4.7

 

 

 

0.1

10H

 

 

 

6.3V

 

 

 

 

 

 

 

 

 

 

MDVCC_CTL

 

 

 

 

 

L506

 

 

 

 

 

10H

 

 

R524

 

 

 

 

 

220

 

 

 

R509

C555

R520

 

 

 

0

4700p

470

 

 

RFI

 

 

 

 

 

 

 

 

 

 

VIN

C565

R511

 

 

C567

 

0.1

0

C526

C566

 

4.7

 

 

 

100p

0.1

 

 

 

6.3V

 

 

 

 

 

 

I1

I2

(Page 29)

The components identified by mark 0 or dotted line with mark 0 are critical for safety.

Replace only with part number specified.

MZ-NH700/NHF800

Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.

27 27

Page 27
Image 27
Sony NHF800 service manual CSPChip Size Package

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.