Sony NHF800 SCS4, Hizsld, Hizspdl, SETCODE3, DEN1, DEN2, Denvg, CLKIN2, Lrck, Osci, Osco, Usbhold

Page 46

MZ-NH700/NHF800

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

288

SCS4

O

Chip select signal output for ATRAC3 plus encoder communication Not used

 

 

 

 

289

HI_Z_SLD

O

Standby signal output terminal for the sled motor

 

 

 

 

290

HI_Z_SPDL

O

Standby signal output terminal for the spindle motor

 

 

 

 

 

291 to

SET_CODE0 to

I

Setting terminal for the destination

 

294

SET_CODE3

 

 

 

 

 

 

 

 

 

295

D_EN1

O

Control signal output for class-D amplifier

Not used

296

D_EN2

O

Control signal output for class-D amplifier

Not used

 

 

 

 

297

D_ENVG

O

Enable/disable switching control terminal for class-D amplifier booster circuit Not used

 

 

 

 

 

298

DADT

O

Audio data output terminal Not used

 

 

 

 

 

 

299

PWM_L1

O

LC drive PWM output terminal

 

 

 

 

 

 

300

PWM_L2

O

LC drive PWM output terminal

 

301

I2C 1

Open drain for IIC

 

302

I2C 2

Open drain for IIC

 

 

 

 

 

 

303, 304

TEST

Not used

 

 

 

 

 

305

CLKIN2

I

Clock signal input terminal (13.5 MHz or 27 MHz) Not used

 

 

 

 

306

FS256

O

Master clock signal (256Fs=11.2896 MHz) output to A/D converter

 

 

 

 

 

307

ADDT

I

Data input from A/D converter

 

308

LRCK

O

L/R sampling clock signal (44.1kHz) output to external A/D converter

309

XBCK

O

Bit clock (2.8224 MHz) output to the external A/D converter

 

 

 

 

310

OSCI

I

Main system clock input terminal (22.5792 MHz)

 

 

 

 

311

OSCO

O

Main system clock output terminal (22.5792 MHz)

 

 

 

 

 

312

FS512

O

Clock signal output for class-D amplifier

Not used

 

 

 

 

313

DTCK

I/O

TSB master data clock input/output or SSB data input/output

314

UDP

I/O

USB data (+) input/output terminal

 

315

UDM

I/O

USB data (–) input/output terminal

 

 

 

 

 

 

316

USBHOLD

I

USB hold signal input terminal

 

 

 

 

 

 

317

SUSPEND

O

USB suspend signal output

 

 

 

 

 

318

UPUEN

O

USB pull-up resistor connection control output terminal

 

 

 

 

319

UOSCI

I

Resonator (48MHz) connection terminal for the USB oscillation circuit

320

UOSCO

O

Resonator (48MHz) connection terminal for the USB oscillation circuit

321 to 325

NC

Not used

 

 

 

 

 

 

46

Image 46
Contents MD Mechanism Type MT-MZNH900-181 Optical Pick-up Name SpecificationsModel Name Using Similar Mechanism On nextFlexible Circuit Board Repairing MZ-NH700/NHF800Diagrams Table of ContentsDisassembly GeneralSection Servicing Notes Unleaded SolderSection General Display window MARK/REC +N button Jog dial Way control keyDisassembly Flow DisassemblySection Case Lower Section Main BoardCase Upper Section Mechanism Deck Section MT-MZNH900-181, MD Standard PINSET Chassis Assy Gear BSA, Gear SBOP Service Assy Holder Assy Position of Ferrite Core00# Ver Test ModeOutline AdjF 00#Manual 0000000 CD RunOfsRun OPChkN2#### ####N1#### $$$$$$ ##131 ###S Electrical AdjustmentsTemp PwrAdjItemNo Display Specification value Measuring point PwrAdj adjustments211 AD 261 AD VBsAdj adjustmentsVBsAdj Charge Function CheckDiscPr 111 ###S113 ###S Releasing The Test Mode Servo Overall AdjustmentResume Clear Section Diagrams Block Diagram MD Servo SectionBlock Diagram Audio Section MICBlock Diagram Power Supply Section CLK aLead layout of conventional IC Conductor Side Pattern face are indicated Parts face sideAbbreviation EE East European model Schematic Diagram Main /9 See page 36 for IC Block Diagram 2FOSchematic Diagram Main /9 See page 36 for IC Block Diagrams GNDCSPChip Size Package CTL2ICHG XRST2 Mute 30 Sgnd Schematic Diagram Main /9 Lrck Xbck Xcsadc PoencloseswTOU NDG Semiconductor Location Printed Wiring Board Main /2Uses unleaded solder IC601 60 IC Block Diagrams IC301 AK5356VN-LIC601 SC901585VAR2 IC602 R1160N121B-TR-FA HN58X2564FPIEZ IC Pin Function Description Davss DavddDVDD25LPF OscvddCltv FiliFilo DvregoDclsoutr VreflVrefr DclsoutlSO0 AccessledSI0 SCK0PWM DRVXcsnv GndswHizspdl SCS4Hizsld SETCODE3311 Section Exploded ViewsRef. No Description 2023-318-1 NH7002023-317-1 NHF800 US110 Chassis Section109 117 111 124 125M702 Mechanism Deck Section MT-MZNH900-181Ref. No Description Remark 160 3-263-453-01 PLATE, Ratchet M703Section Electrical Parts List Main 1uF 10% 10V C419 125-777-11 C415 125-777-111uF 10% 10V C416 125-777-11 1uF 10% 10V C420 125-777-111uF 10% 10V C672 127-820-11 C669 125-837-111uF 10% C671 125-777-11 7uF 10% 16V C673 125-777-11MA22D2800LS0 D303 8-719-056-54 Diode MAZS068008SONNCD6.8H-T1 MA8056-L7uH L701 216-295-00 L607 419-881-1147uH L608 400-402-21 L702 216-295-00R315 218-990-11 R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11R309 RES-CHIP 16W R310 R312 R314 218-990-11 R433 245-455-21R652 218-990-11 R649 245-456-21R650 216-793-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11470K 16W R920 218-985-11 S894 SWITCH, Push 2 KEYRef. No Description Remark R918 218-985-11 470K 16W R922 218-977-11504 501 502503 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.