Sony NHF800 service manual XRST2

Page 29

6-8. SCHEMATIC DIAGRAM – MAIN Section (5/9) – See page 36 for IC Block Diagram.

1E

2E

3E

(5/9)

I1

I2

MZ-NH700/NHF800

(Page 26)

4E

E5

6E

7E

E8

9E

01E

11E

E13

J1

(Page 27)

L9001

10H

RESET SIGNAL GENERATOR

IC902

XC61CC1702NR

NC VIN

VSS VOUT

C961

R908

R910

0.1

22k

22k

G1

XRST2

L906

47H

R912

220k

C902 0.1

C903 0.01

C901 0.1

 

R903

R906

C909

1M

47k

22

 

 

16V

 

 

C906

819C 7400.

1

 

D902

MA2Z748001S0

L901 100H

C959

0.1CL935

R964

C919

100k

0.022

R904

R907

1M

10k

C908

 

0.01

 

 

L903

 

KEYREC

KEYRMC

LOCKHALF

 

10H

 

 

 

 

 

C915

 

 

 

 

 

10

 

 

 

 

 

6.3V

 

 

 

 

1

C922

C923

26C9 p0001

 

 

6.3V

6.3V

 

 

C958

100

47

 

 

 

 

 

 

 

D906

MA22D2800LS0

 

k01

D904

14

MA2Z748001S0

9R

C960

0.1

XRST1

PGND1

PGND1

L1

L1

VO1

VCO1

VC1

VSTB

HVB

LVB

VRMC

XWK1

XWK2

XWK3

XWK4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST1ADJ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTC1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LG

 

 

 

 

 

 

POWER CONTROL

 

 

 

 

 

PGND3

 

 

 

 

 

 

 

IC901

 

 

 

 

 

 

 

 

 

 

 

 

SC901584EPR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGSEL2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGSEL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INM2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF2

CRST2

XRST2

PGND2

PGND2

L2

L2

VO2

VCO2

VCIN

VC2

2TDW

2BDW

MUTEON

REGC3

REGO3

DTC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C927

100p

C928

100p

p00 01

k02 2

k07 4

459 C

719 R

819 R

FFCLR

SLEEP

CLK

SEQSEL

WDT

SCK

STRB

DATA

VREF

GND

REGI1

REGO1

REGC1

REGI2

REGO2

REG2G

REGC2

REGI3

 

 

 

 

DETWK

C929

R954

 

R955

1000p

470k

 

2.2k

k0

k0

 

 

-1 -2

74

01

Q902

 

 

20R9

229R

XP4601-TXE

k07

WAKE UP

 

 

 

 

 

SWITCH

4

 

 

R958

47k

995 R

 

 

R960

 

 

 

 

 

 

 

 

0

R924

470k

 

 

R931

0

 

 

 

 

 

 

4FS

 

 

SL901

 

 

 

C931

2.2

 

 

 

 

 

 

SCK0

 

 

 

 

 

XCS_PWR_IC

 

 

 

 

 

SDO0

 

 

C932

0.01

 

 

 

 

 

 

R951

 

 

 

 

 

0

 

 

C933

C939

 

 

 

22

 

 

 

2.2

 

 

 

6.3V

 

 

 

 

 

 

 

R925

 

 

 

 

 

47k

 

 

 

 

 

R933

 

 

R934

 

 

220k

 

 

22k

 

 

 

C940

R952

 

 

 

22

 

 

 

0

 

 

 

6.3V

 

 

 

 

CL921

 

 

 

 

 

 

 

CL919

 

 

 

 

 

C935

 

C936

 

 

2.2

 

 

2.2

R926

R929

R935

 

R936

100k

100k

100k

 

47k

 

 

 

 

 

R953

 

 

 

 

 

4.7

J2

J3

J4

(Page 30)

(Page 28)

G2

G3

L904

10H

C916

10

6.3V

 

 

CL931

C948

 

 

 

22

 

 

 

 

6.3V

 

0

 

 

C937

2.2

S1

 

R927

 

 

 

0

 

1k

 

 

509D 0482Z7

L907

R937

22k

R930

 

47H

R938

47k

 

47k

 

 

AM

 

 

 

 

Q901

TS8K1TB

B+ SWITCH

C920

0.1

SS

C924

47

6.3V

J 5

L2

L1

(Page 33)

MZ-NH700/NHF800

29 29

Image 29
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 GeneralSection DisassemblyDisassembly Flow 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 AssyOutline Test Mode00# Ver Manual 00#AdjF 0000OfsRun CD Run000 OPChkN1#### ####N2#### $$$$$$ ##Temp Electrical Adjustments131 ###S PwrAdj211 AD PwrAdj adjustmentsItemNo Display Specification value Measuring point VBsAdj VBsAdj adjustments261 AD Charge Function Check113 ###S 111 ###SDiscPr Resume Clear Servo Overall AdjustmentReleasing The Test Mode Block Diagram MD Servo Section Section DiagramsMIC Block Diagram Audio SectionCLK a Block Diagram Power Supply SectionAbbreviation EE East European model Conductor Side Pattern face are indicated Parts face sideLead layout of conventional IC 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 Uses unleaded solder Printed Wiring Board Main /2Semiconductor Location 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 SETCODE3Ref. No Description Section Exploded Views311 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.