MZ-NH700/NHF800

IC892

HN58X2564FPIEZ

 

 

 

 

 

HIGH VOLTAGE

 

 

 

 

XCS

1

GENERATOR

 

 

8

VCC

SDO

2

 

 

 

 

 

XWP

3

 

X DECODER

 

 

 

 

 

MEMORY

GENERATOR

 

 

 

 

ARRAY

7

XHOLD

 

 

 

 

 

 

CONTROL

 

 

 

 

LOGIC

 

 

 

 

DECODER

ADDRESS

 

 

 

Y SELECT &

 

 

VSS

4

SENSE AMP

 

 

 

 

 

Y

 

6

SCL

 

 

 

 

 

 

 

SERIAL-PARALLEL

 

 

5

SDI

 

 

CONVERTER

 

 

 

 

 

 

 

 

IC901

SC901584EPR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REGI3

REGO3

REGC3

MUTEON

DW 2B

DW 2T

VC2

VCIN

VCO2

VO2

L2

L2

PGND2 PGND2

 

XRST2

CRST2

 

 

 

 

48

47

46

45

44 43

42

41

40

39

38 37 36 35

 

34

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET 2

 

 

 

 

 

 

SERIAL

 

 

 

 

 

VC2

 

 

 

 

 

 

 

 

RST2

 

 

 

 

 

PASS

 

 

 

 

 

 

POWER

STEP

 

 

 

 

 

 

 

 

 

 

REGULATOR 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH 2

UP-DOWN

 

VC2

 

 

 

 

 

REGC2

49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RST2

 

 

DRIVER

 

 

 

 

 

 

 

 

REG2G

50

 

SERIAL

 

 

 

MUTING

 

 

 

 

 

 

 

VREF

 

REF2

 

 

 

 

 

 

BUFFER

 

 

 

 

 

 

 

 

 

 

REGO2

51

 

PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM

 

 

 

 

 

 

 

 

 

 

REGULATOR 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REGI2

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

DTC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REGC1

53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

 

 

 

 

 

SERIAL

 

 

 

 

RST1

 

 

 

 

 

 

 

 

 

 

 

REGO1

54

 

 

 

 

 

 

 

 

 

 

 

 

 

REF2

 

 

 

 

PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

RF2

 

 

REGULATOR 1

 

 

 

 

MUTE ON

 

 

 

 

 

 

 

 

 

REGI1

55

 

 

SEQSEL

RST2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

INM2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

VGSEL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

VGSEL2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

VG SELECT, VG DUTY

 

 

 

 

 

 

 

 

 

 

27

VB

GND

56

 

 

 

 

 

VREF0

 

 

 

VC

 

 

 

 

 

 

 

26

PGND3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BANDGAP

 

 

 

 

 

 

 

 

STEP UP

25

LG

VREF

57

 

 

 

 

 

 

 

 

 

 

 

 

START UP

 

24

VG

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

DC/DC CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLK

 

 

 

 

 

 

 

 

 

 

 

 

 

23

C1L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF1

REF2 REF3 REF4

REF5

VREF0

 

 

 

VC

REF1

 

22

INM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

 

21

RF1

 

 

 

 

 

 

 

 

 

REF DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RST1

 

 

 

 

 

 

 

20

DTC1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

58

 

 

 

 

 

 

 

LVB

 

 

 

 

 

 

 

 

 

RST1

 

 

 

 

 

 

 

 

DRIVER

 

 

 

 

 

 

 

 

 

 

 

 

STRB

59

 

 

 

 

 

 

 

 

 

 

 

PWM

 

 

 

19

XRST1ADJ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF1

 

CLK

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

CRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

WDT

61

 

CONTROL

 

 

 

VREF

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STEP

 

 

 

 

 

SEQSEL

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET 1

17

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UP-DOWN

 

VREF

CLK

63

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RST2

DRIVER

 

 

 

 

 

SLEEP

64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFCLR

 

 

 

VC

 

SWITCH 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

 

11

 

12

13 14 15 16

 

 

 

 

 

FFCLR

XWK4

XWK3

XWK2

XWK1

VRMC

LVB

HVB

VTSB

VC1

 

VCO1

 

VO1

L1

L1 PGND1

PGND1

 

 

 

39

Page 39
Image 39
Sony NHF800 service manual HN58X2564FPIEZ

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.