Sony NHF800 service manual CTL2ICHG

Page 28

MZ-NH700/NHF800

6-7. SCHEMATIC DIAGRAM – MAIN Section (4/9) – See page 36 for IC Block Diagram.

(4/9)

UDP

UDM

UDM

UDP

UDP

UDM

(Page 32)

D1

DRY BATTERY

SIZE"AA"

(IEC DESIGNATION R6) 1PC. 1.5V

J402

CL431

(BATT+)

W403

C423C424

220220

5V5V

W404

CL432

(BATT-)

 

 

 

 

C425

C427

O068008SZSMA

414D

O008S068ZSMA

 

 

 

 

0.1

435D

 

 

 

 

0.1

 

 

 

CN451

 

 

 

 

 

 

 

 

7P

CL453

 

 

LF451

FB451

 

 

(USB)

 

 

 

 

(VBUS 5V)

 

 

 

 

 

 

L0

VBUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

457D

2800S22D

DATA+

 

 

 

 

2200p

 

DATA-

 

 

 

 

 

 

 

 

 

 

 

 

 

C455

 

 

 

IO

 

 

CL460

 

 

 

 

AM

GND

 

(VBUS GND)

FB452

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW_A

 

 

 

 

 

 

 

 

SW_B

 

 

 

2200p

 

 

 

 

C460

01.

1.0

10.

 

 

 

 

0.1

 

 

 

 

 

 

 

 

0.1

458C

459C

429C

456C

 

 

 

 

C461

 

 

 

 

 

 

 

 

 

 

 

 

 

R454

 

C574

 

 

 

 

 

0

 

0.1

C457

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THP401

Q451

 

RTQ035P02TR

 

 

 

S

 

C453

 

 

0.047

 

 

 

Q451,452

 

 

VOLTAGE LIMITER

 

 

R467

R463

R464

 

10k

220

100k

 

-2

-1

 

 

 

Q452

 

 

 

XP4601-TXE

 

C452

R462

D458

R466

0.1

220k

MA8056-L-TX

2.2M

C438

0.1

 

 

2800SL0

 

 

 

Q432

 

 

 

 

 

 

FZT688B-TP

 

 

22DAM

1000p

k470

 

CHARGE

Q403

 

CONTROL

 

 

 

 

R423 220k

SI1410EDH-T1

440D

430C

424R

 

 

 

 

R422 1M

 

 

 

 

 

R432

R433

 

S

 

 

 

1

0.47

 

 

 

 

 

 

 

 

 

 

 

 

-1 -2

 

Q403,406

 

 

 

 

Q406

 

GROUND LINE

 

 

 

 

 

 

 

 

 

XP4601-TXE

 

SWITCHING

 

 

 

 

 

 

 

 

 

 

 

 

 

R455

 

 

R421

 

 

 

1M

 

 

100k

C402

C403

 

R456

 

 

 

220

220

 

 

 

 

 

470k

 

 

 

5V

5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R438

Q433

 

 

 

 

 

100k

2SC4738FY/GR

 

 

 

 

 

 

(TLP3)

DC IN

DETECT

R437

220k

R418

100k

LF401

CTL2ICHG

CTL3CHGI

MONCHG

Q407

 

 

 

UN9214J-(TX).SO

 

 

 

CHARGE

 

 

 

ON/OFF

 

 

 

CONTROL

 

 

RS

CTL3I

A/D

GND

CTL1I

PGND

SELI

AD_SEL

 

 

 

 

 

 

 

 

 

 

 

R446

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

BAT-

 

 

 

 

 

 

TYPE2

 

 

RF1

 

 

 

 

 

 

CFB

 

 

IAMP_CAL

 

 

 

 

 

 

IAMP_CTL

 

 

AMP_SEL

 

 

 

 

 

 

A7CAL_SW

 

 

I_CTL2

 

CHARGE CONTROL

 

IN1-

 

 

 

 

IC401

 

 

 

 

 

 

 

 

 

TYPE1

 

 

CHG_SW1

 

MM1655NCBE

 

 

 

BAT+

VG

PWT

CTLVI

SW2CHG

 

CTLCHG

WDT

 

 

VI2

VI

PWR_WAKE

 

 

V0

 

 

 

 

 

 

LED_CTL

 

R447

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

COMPARATOR

 

 

 

 

 

 

 

 

R441

IC402

 

 

 

 

 

 

 

 

100k

 

 

 

 

 

 

 

R443

NJU7008F3

 

C434

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100k

 

 

 

0.1

 

 

 

 

 

 

R425

 

2.2k

R442

R444

100k

100k

 

 

 

 

16V

 

 

1M

1.0

1.0

0

22

1.0

1.0

TYPE2_

CHG

R436

220k

C415

0.1

CHG_PWM

HIDC_MON

CHG_TYPE2 CHG_I_CTL3 CHG_I_CTL2

CHG_MON

CHG_PWM HIDC_MON

D2

TERRA_V

(Page 26)

MINUS_MON

GND_SW

VBUS_MON

CHG_TYPE2

 

CHG_I_CTL3

 

CHG_I_CTL2

(Page 32)

CHG_MON

 

CHG_PWM

 

HIDC_MON

 

G1

G2

G3

(Page 29)

M1

M2

5

DC IN 3V

 

C419

R419

C420

D439

0.1

10k

0.1

MA22D2800LS0C426

R42022

Q401

D401

074C

408C

34R

141C

412C

1C42

434R

MA22D2800LS0

FZT968TA

C406

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7k

C416

D4360.1

MAZS068008SO CL433 (GND)

16V

REGULATOR

0.1

(Page 33)

H1

(Page 30)

MZ-NH700/NHF800

28 28

Image 28
Contents Specifications Model Name Using Similar MechanismMD Mechanism Type MT-MZNH900-181 Optical Pick-up Name On nextFlexible Circuit Board Repairing MZ-NH700/NHF800Table of Contents DisassemblyDiagrams 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 00# ManualAdjF 0000CD Run OfsRun000 OPChk#### N1####N2#### $$$$$$ ##Electrical Adjustments Temp131 ###S PwrAdjItemNo Display Specification value Measuring point PwrAdj adjustments211 AD VBsAdj adjustments VBsAdj261 AD 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 Davdd DVDD25LPFDavss OscvddFili FiloCltv DvregoVrefl VrefrDclsoutr DclsoutlAccessled SI0SO0 SCK0DRV XcsnvPWM GndswSCS4 HizsldHizspdl SETCODE3311 Section Exploded ViewsRef. No Description NH700 2023-317-12023-318-1 NHF800 USChassis Section 109 117110 111 124 125Mechanism Deck Section MT-MZNH900-181 Ref. No Description Remark 160 3-263-453-01 PLATE, RatchetM702 M703Section Electrical Parts List Main C415 125-777-11 1uF 10% 10V C416 125-777-111uF 10% 10V C419 125-777-11 1uF 10% 10V C420 125-777-11C669 125-837-11 1uF 10% C671 125-777-111uF 10% 10V C672 127-820-11 7uF 10% 16V C673 125-777-11D303 8-719-056-54 Diode MAZS068008SO NNCD6.8H-T1MA22D2800LS0 MA8056-LL607 419-881-11 47uH L608 400-402-217uH L701 216-295-00 L702 216-295-00R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11 R309 RES-CHIP 16W R310 R312 R314 218-990-11R315 218-990-11 R433 245-455-21R649 245-456-21 R650 216-793-11R652 218-990-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11S894 SWITCH, Push 2 KEY Ref. No Description Remark R918 218-985-11470K 16W R920 218-985-11 470K 16W R922 218-977-11501 502 503504 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.