Sony NHF800 service manual Tou Ndg

Page 33

MZ-NH700/NHF800

6-12. SCHEMATIC DIAGRAM – MAIN Section (9/9) – See page 24 for Waveforms. See page 36 for IC Block Diagrams.

 

(9/9)

 

 

 

+1.2V REGULATOR

 

 

IC302

 

C327

XC6219B212MR

 

 

 

 

1

 

VOUT

 

 

VIN

 

SDO0

VSS

 

SDO0

CE

NC

 

 

SCK0

SCK0

 

 

OPT_DET

 

 

OPT_DET

 

 

XJACK_DET

 

 

XJACK_DET

 

 

DIN1

 

 

DIN1

 

 

XOPT_CTL

 

 

XOPT_CTL

 

 

ADDT

 

 

ADDT

R315

 

 

 

FS256

0

 

 

 

FS256

 

 

LRCK

 

 

LRCK

 

 

XBCK

 

(Page 32)

XBCK

 

XCS_ADC

 

 

 

 

XCS_ADC

 

 

XPD_ADC

 

 

XPD_ADC

 

 

 

 

C328

1

ADDT

XBCK

FS256

LRCK

SDO0

 

 

 

 

R308

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

R314

L303

 

 

 

 

 

C320

C319

 

 

 

 

 

 

2.2

 

 

0

10H

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

6.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

C323

 

 

 

 

3V.6

 

 

 

 

 

 

10

 

 

1.0

 

 

 

 

 

 

 

6.3V

 

 

 

47

 

 

 

 

 

 

C324

 

 

 

 

 

 

 

 

 

 

 

C322

 

321C

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BCLK TOSD

DDV D

SSV D

SSV A

DDV A

MOC V

INR

LIN

 

 

 

MCLK

 

 

 

 

 

MPWR

 

 

 

LRCK

 

 

 

 

 

 

MRF

 

R309

1k

CDTI

 

 

 

 

 

MVCM

 

 

 

 

 

 

 

 

 

C202

 

 

 

 

R201

2.2

 

 

 

 

47k

C102

 

 

 

 

R101

2.2

 

 

 

 

47k

 

C310

 

 

 

 

 

10

R203

R103

C201

 

6.3V

 

22k

22k

100p

 

 

 

C318

C312

 

 

 

2.2

 

 

 

47

6.3V

 

 

 

6.3V

 

 

 

 

 

 

 

 

C101

100p

D302

MAZS068008SO

R304

100k

XOPT_CTL

R306

10k

DIN1

XJACK_DET

OPT_DET

Q301

2SA2018TL

B+ SWITCH

R301

C303

D301

1k

0.1

MAZS068008SO

D303

MAZS068008SO

R305 100

FB303

FB301

FB101

FB201

FB302

J301

LINE IN (OPT)

XMIC_DET

XMIC_DET

GND

L1

L2

(Page 29)

M 1 M2

(Page 28)

SCK0

XCS_ADC

XPD_ADC

R884

470k

L881

100H

C883

10

6.3V

R310 1k

CCLK

 

A/D CONVERTER

 

MVSS

 

 

 

IC301

 

 

 

 

 

 

 

 

 

 

 

 

CSN

 

AK5356VN-L

 

 

MVDD

 

 

 

 

 

 

 

 

PDNL

LO

LN

L

R

RN

RO

MICR

 

ICM

ERP

ERP

ERP

ERP

ERP

ERP

 

 

 

 

 

 

 

 

 

C208

 

 

 

 

 

 

 

 

4.7

 

 

 

 

 

 

 

 

6.3V

 

C108

 

 

 

 

 

 

C325

4.7

 

 

 

 

 

 

 

6.3V

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

C107C207

4747

4V4V

 

D881

 

MA2SD32008S0

 

R881

DC/DC

220k

CONVERTER

IC881

XC6382C251MR

VSS NC

VOUT

-1 -2

LX CE

R882

470k

C884

C885 R890

101 220k

6.3V

C311

0.1

R206

R207

R107

10k

22k

22k

 

 

C313

47

6.3V

C314 0.1

C315 10 6.3V

C316 22 6.3V

C205

R3120.1

10

C206

1000p

 

DVD

+2.2V REGULATOR

 

IC882

CE

R1180Q221B

R883

1M

Q881

XP4601-TXE

Q883

 

 

UN9214J-(TX).SO

R886

C886

R885

100k

0.01

1M

 

 

Q881,883

 

REGULATOR CONTROL

R106

10k

XMIC_DET

C105

0.1

C106

C204

1000p

2200p

TOU

V

NDG

D884

MA2Z748001S0

AM D82SD 82 S032008

D883

MA2SD32008S0

C887

R887

1

100k

C895 R873

0.110k

C305

C304

C302

D304

100p

100p

2200p

MAZS068008SO

C104

2200p

R892

220k

-1

Q885,886

-2

Q886

B+ SWITCH

XP4314-TX

 

 

Q885

R891

SI1410EDH-T1

 

0

 

 

S

D885

MA2Z748001S0

 

R889

 

47k

-1

 

-2

 

Q884

 

XP4314-TX

R893

VOLTAGE

2.2M

 

DETECT

R888

220k

R307

100

R205 0

R105 0

C308C306

0.10.1

FFCLR

R872

10k

C891

0.1

DRAM_HOLD_DET

DRAM_ALONE

DRAM_VDD_CLR

J302

MIC

(PLUG IN POWER)

FCRAMVDD

(Page 32)

P3

P4

VB

(Page 32)

MZ-NH700/NHF800

33 33

Image 33
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 Disassembly FlowSection 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 AssyTest Mode 00# VerOutline Manual 00#AdjF 0000OfsRun CD Run000 OPChkN1#### ####N2#### $$$$$$ ##Temp Electrical Adjustments131 ###S PwrAdjPwrAdj adjustments ItemNo Display Specification value Measuring point211 AD VBsAdj VBsAdj adjustments261 AD Charge Function Check111 ###S DiscPr113 ###S Servo Overall Adjustment Releasing The Test ModeResume Clear Block Diagram MD Servo Section Section DiagramsMIC Block Diagram Audio SectionCLK a Block Diagram Power Supply SectionConductor Side Pattern face are indicated Parts face side Lead layout of conventional ICAbbreviation 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 Printed Wiring Board Main /2 Semiconductor LocationUses 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 SETCODE3Section Exploded Views 311Ref. 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.