Sony NHF800 service manual Schematic Diagram Main /9 See page 36 for IC Block Diagrams, Gnd

Page 26

MZ-NH700/NHF800

6-5. SCHEMATIC DIAGRAM – MAIN Section (2/9) – See page 36 for IC Block Diagrams.

(Page 25)

(2/9)

 

C673

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

REG_DACVREFH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C668

1

 

 

 

 

 

 

 

 

 

 

 

 

 

C669

1

 

 

 

 

 

 

VOLTAGE DETECT

 

 

 

 

 

 

 

 

 

 

 

 

IC606

 

 

 

 

 

 

 

 

 

 

 

 

XC61CN1702NR

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

VIN

 

 

 

 

 

 

 

 

 

 

 

 

VSS

VOUT

 

 

 

 

 

 

 

 

 

 

 

R663

220k

 

 

 

 

 

 

 

 

 

 

VDD

VOUT

 

R662

470k

 

 

 

 

 

 

+1.2V REGULATOR

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

IC604

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

R1180Q121C-TR-FA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R659

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-2

 

 

 

 

 

 

 

 

 

 

 

 

Q617

 

 

 

 

 

 

 

 

 

 

 

 

 

XP4601-TXE

 

 

R660

R661

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q616,617

 

 

470k

470k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B+ SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB_HOLD

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D614

 

 

 

 

 

 

 

Q616

 

 

 

 

MA2SD32008S0

 

 

 

 

SI1410EDH-T1

 

 

 

 

C612

22

6.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REG4_DVDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C613

22

6.3V

 

 

 

 

 

 

 

 

 

REG5_OSC

 

 

 

 

 

 

 

 

OR GATE

 

 

 

 

SLEEP

 

 

 

 

 

 

 

 

IC605

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC7S32LFU(TE85R)

 

 

 

RST_CONT

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

C614

22

6.3V

 

 

 

 

VCC

 

 

922 67R

XRST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REG5_REG

 

 

 

 

 

 

 

 

GND

 

 

 

 

SUSPEND

 

 

 

 

 

 

 

 

 

 

 

 

 

R647

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1M

 

C675

0.01

 

R653

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C677

C671

 

 

 

 

 

 

 

22k

 

IC607

 

 

 

 

 

 

 

D601

 

 

 

0.1

 

0.1

 

 

C607

1

 

 

 

XC61CN8902NR

 

 

 

MA2SD32008S0

 

 

 

 

 

 

 

NC

VIN

 

 

 

 

 

C616

22

10V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSS

VOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R685

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

REG5_VSTB

D613

MA2SD32008S0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C609

1

 

 

 

VOLTAGE

 

 

 

 

 

 

3.3V

 

 

 

 

 

 

DETECT

 

 

 

R683

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R682

 

 

 

 

1M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-1

-2

 

 

 

 

 

C611

0.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q618

 

 

 

 

 

 

 

 

 

R684

 

 

XP4601-TXE

 

 

 

 

 

 

 

 

10k

 

 

 

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

A3

 

 

 

 

 

 

 

 

R612

2.2M

 

 

A4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAB

HA

 

 

 

 

 

HB

HBB

 

 

 

 

 

 

 

 

 

 

Q601,602

 

 

 

 

 

 

 

 

 

R622

 

R620

 

OVER WRITE

 

R621

 

R623

 

 

 

 

 

 

HEAD DRIVE

 

 

CL604

 

 

 

2.2

 

 

2.2

 

 

2.2

 

2.2

 

 

 

 

 

 

 

 

 

 

A5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FREG

+1.2V REGULATOR

 

IC602

 

 

R1160N121B-TR-F

 

VOUT

 

 

VDD

 

1

 

 

GND

 

9

ECO

 

1

 

6C

CE

 

C601

R652

C621

10

1

0

4V

 

 

R678

 

 

0

 

 

R608

1

 

 

 

 

OUTA

 

OUTB

VRECIN

VRECIN

 

 

 

HOLD_OUTVG

 

 

 

NC_AI2

 

 

 

 

 

 

 

RST_OUT

 

 

 

 

 

 

PVBUS

 

 

 

 

 

C602

0.1

 

 

 

 

 

 

 

CRST

 

 

 

 

 

 

 

DVDD_IN

 

 

 

 

 

 

DVDD_OUT

 

 

 

 

C604

0.1

 

 

 

 

 

 

 

HOLDC

 

 

 

 

 

R645

470k

OSC_OUT

 

 

 

 

SLEEP_IN

 

 

 

 

 

 

 

 

 

 

R654

1M

RST_IN

 

 

 

 

 

PGND2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REG_IN

 

 

 

 

 

 

 

REG_OUT

 

 

 

 

 

 

SUS_IN

 

 

 

 

 

 

 

PGND2

 

 

 

 

 

 

 

TSBV_IN

 

 

 

 

 

 

 

TSBV_OUT

 

 

 

 

 

 

VD33R

 

 

 

 

 

 

 

PGND1

 

 

 

 

 

 

 

VSTB_IN

 

 

 

 

 

 

 

VSTB_OUT

 

 

 

 

 

 

BATSEL

 

 

 

 

 

 

 

V33RO

 

 

 

 

 

 

 

RF1

 

 

 

 

 

 

 

INM1

 

 

2VRECQ

1VRECQ

R605 C620

DTC1

1BDW

1TDW

1k

0.047

NC_A1

VREC

R670

0

HA

HB

HAB

HBB

RECP

D610

CLKEFM

EFM

4FS

SDO0

MA2Z748001S0

R643

0

C625 C630

0.10.1

PGND2

HA

HB

PGND4

CL

VCP

VG2

GND

CH

HAB

HBB

GND

RECP

VG3

PGND4

VBUSSEL2

CLKEFM

EFM

VIF

CLK

DATA

SCK

NC_M12

LATCH

XWKO

VBUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WAKEC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V33UO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VBUS_DET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VBUSREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L5_2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGND5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGND5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWFB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L5_1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGND5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VBUSSEL

 

 

 

 

OVER WRITE HEAD DRIVE,POWER CONTROL

 

 

 

 

 

 

 

 

 

CLM

 

 

 

 

 

 

 

 

IC601

 

 

 

 

 

 

 

 

 

 

 

 

 

POWP2

 

 

 

 

 

 

 

SC901585VAR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

 

 

 

 

 

 

 

 

 

 

 

 

 

INP3

 

 

CSP(Chip Size Package)

 

 

 

 

 

 

 

INP2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VPDRV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INM2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INM3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTC3

 

 

 

1TUP

1BUP

 

PGND1

 

 

PGND3

PGND1

3BUP

VREFIN

PGND3

PGND3

 

 

33USEL

 

 

3TDW

3BDW

 

RF3

2L1

1L1

INP1

GND

 

 

1V30

2V30

1L3

2L3

 

NC_M1

VC

VC

 

V3FB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R671

 

 

 

 

 

 

 

 

R680

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D603

 

MA2Z748001S0

 

XCS_REC_DRV

SCK0

DETVBUS

Q608

XP4314-TX

B+ SWITCH

Q607 2SC4738F- Y/GR(TPL3)

DC IN

DETECT

R646

47k

R681

1M

C644

4700p

L607

47H

R665

R649

R648

0

1

1

R675

2.2M

C641 R616

0.011k

C642 R617

0.047 1k

R629

2.2M

C645C638

0.012200p

L605

22H

C637

L603 CL65810

10H

C636

0.1

R618

100k

-1

-2

R619 100k

R609 100k

R601 220k

Q611

SI1410EDH-T1

S

B+ SWITCH

R677D604

0MA22D2800LS0

C658

47

6.3V

C666 4.7

C672

4.7

L608 R664

47H 2.2

C653

10

C643

2.2

R628

22

 

SUSPEND

 

SUSPEND

 

USB_HOLD

 

USB_HOLD

0S

RECP

RECP

09D6 001Z748

EFM_CLK

EFM_CLK

EFM

EFM

2

XCS_REC_DRV

A

XCS_REC_DRV

M

VBUS_DET

 

VBUS_DET

(Page 32)

VBUS_VB_CTL

VREC_SEL

 

VREC_SEL

 

RST_CONT

 

RST_CONT

 

SDO0

 

SDO0

 

SCK0

 

SCK0

 

4FS

 

4FS

 

SLEEP

 

SLEEP

 

RMC_DTCK

 

RMC_DTCK

 

XRST

 

XRST

 

RADIO_ON

 

RADIO_ON

 

3.3V

3.3V

REG5_VSTB

REG5_VSTB

(Page 31)

REG5_REG

REG5_REG

REG5_OSC

REG5_OSC

REG4_DVDD

REG4_DVDD

REG_F

REG_F

REG_DACVREFH

REG_DACVREFH

VB

DDC3

6.3V6.3V

Q612

HR601

OVER WRITE

 

47

 

 

 

 

47

0

 

 

 

 

 

047.0

64 704 6C . 0

426 R

50 30DS 6D 2A M

S

S

860 30DS D 2 AM

562 R

846 C

 

 

 

2-

1-

 

 

 

 

 

Q602

 

 

 

 

 

 

 

MCH6617-TL-E

 

 

 

 

 

 

 

D606

 

 

D607

 

 

W601

 

MA22D17

 

MA22D17

 

 

 

 

 

C674

 

 

W602

 

 

 

 

 

 

 

 

33p

 

 

 

L601

 

C622

C627

C628

47

47

1

6.3V

6.3V

 

L606

10H

Q603

TS8K1TB

B+ SWITCH

0

 

 

C635

 

S1

C633

C634

 

0

0.01

1

47

 

026 084Z7 D

 

 

6.3V

 

 

 

R673

0

2AM

 

 

 

 

 

0

D611

 

C661

 

MA2Z748001S0

 

2.2

Q609

536 R

 

 

 

NTHD4508NTIG

 

 

 

 

B+ SWITCH

SSM3K01F(TE85L)

S SWITCHING

R638

220k

R640R641

220k1M

HEAD

(Page 27)

D615

 

 

17D

MA22D17

 

 

2-

1-

 

22AM

Q601

 

 

16

CPH5614-TL-E

S

 

6D

 

C676

C649

C650

 

10

 

1000p

0.1

 

6.3V

C1

 

 

 

 

 

C2

 

 

 

C3

SS

C652

10

6.3V

D2

G2

VOUT

NC

+3.2V REGULATOR

 

 

Q615

VDD

GND

CE

-1

-2

SI1410EDH-T1

D2

S2

 

IC603

 

 

 

 

 

 

XC6209B322MR

Q614

 

 

D1

G1

 

 

 

 

 

 

 

 

 

 

 

 

XP4601-TXE

 

 

D1

S1

 

 

 

 

Q613

S

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2SK1830-TE85L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B+ SWITCH

 

 

Q614,615

 

 

C660

 

 

R636

CONTROL

R639

R642

 

 

0.1

 

 

470k

 

1M

100k

B+ SWITCH

 

 

 

R650

 

 

 

 

 

 

 

 

 

4.7

 

 

 

 

 

 

REG5_VSTB

1E

E2

E3

E4

5E

E6

E7

8E

9E

01E

11E

(Page 29)

R657

0

TERRA_V

SEL

(Page 28)

VREC

 

D2

D1

F1

F2

(Page 30)

13E

MZ-NH700/NHF800

26 26

Image 26
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 keySection DisassemblyDisassembly Flow 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 CoreOutline Test Mode00# Ver AdjF 00#Manual 0000000 CD RunOfsRun OPChkN2#### ####N1#### $$$$$$ ##131 ###S Electrical AdjustmentsTemp PwrAdj211 AD PwrAdj adjustmentsItemNo Display Specification value Measuring point 261 AD VBsAdj adjustmentsVBsAdj Charge Function Check113 ###S 111 ###SDiscPr Resume Clear Servo Overall AdjustmentReleasing The Test Mode Section Diagrams Block Diagram MD Servo SectionBlock Diagram Audio Section MICBlock Diagram Power Supply Section CLK aAbbreviation EE East European model Conductor Side Pattern face are indicated Parts face sideLead layout of conventional IC 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 Uses unleaded solder Printed Wiring Board Main /2Semiconductor Location 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 SETCODE3Ref. No Description Section Exploded Views311 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.